Cerence (CRNC) 10-K 25 Nov 24 2024 FY Annual report Financial data

Document and Entity Information

Document and Entity Information - USD ($) $ in Millions	12 Months Ended
	Sep. 30, 2024	Nov. 13, 2024	Mar. 31, 2024
Cover [Abstract]
Document Type	10-K
Amendment Flag	false
Document Period End Date	Sep. 30, 2024
Document Fiscal Year Focus	2024
Document Fiscal Period Focus	FY
Current Fiscal Year End Date	--09-30
Document Annual Report	true
Document Transition Report	false
Entity File Number	001-39030
Entity Registrant Name	CERENCE INC.
Entity Central Index Key	0001768267
Entity Incorporation State Country Code	DE
Entity Tax Identification Number	83-4177087
Entity Address Address Line1	25 Mall Road
Entity Address Address Line2	Suite 416
Entity Address City Or Town	Burlington
Entity Address State Or Province	MA
Entity Address Postal Zip Code	01803
City Area Code	857
Local Phone Number	362-7300
Title of 12(b) Security	Common stock, par value $0.01 per share
Trading Symbol	CRNC
Security Exchange Name	NASDAQ
Entity Current Reporting Status	Yes
Entity Interactive Data Current	Yes
Entity Well-known Seasoned Issuer	No
Entity Voluntary Filers	No
Entity Filer Category	Large Accelerated Filer
Entity Small Business	false
Entity Emerging Growth Company	false
Entity Shell Company	false
Entity Common Stock, Shares Outstanding		42,827,789
Entity Public Float			$ 651
ICFR Auditor Attestation Flag	true
Document Financial Statement Error Correction [Flag]	false
Documents Incorporated by Reference	DOCUMENTS INCORPORATED BY REFERENCE Portions of the Registrant’s definitive Proxy Statement to be filed with the Securities and Exchange Commission in connection with the Registrant’s 2025 Annual Meeting of Stockholders are incorporated by reference into Part III of this Form 10-K. Such Proxy Statement will be filed within 120 days of the Registrant’s fiscal year ended September 30, 2024.
Auditor Firm ID	243
Auditor Location	Boston, Massachusetts
Auditor Name	BDO USA, P.C.

CONSOLIDATED STATEMENTS OF OPER

CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) shares in Thousands	12 Months Ended
	Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2022
Revenues:
Total revenues	$ 331,504,000	$ 294,475,000	$ 327,891,000
Cost of revenues:
Amortization of intangible assets	103,000	414,000	2,984,000
Total cost of revenues	87,232,000	95,163,000	97,168,000
Gross profit	244,272,000	199,312,000	230,723,000
Operating expenses:
Research and development	121,563,000	123,333,000	107,116,000
Sales and marketing	21,725,000	27,504,000	31,098,000
General and administrative	52,468,000	57,903,000	42,653,000
Amortization of intangible assets	2,203,000	5,854,000	11,516,000
Restructuring and other costs, net	17,077,000	11,917,000	8,965,000
Goodwill impairment	609,172,000	0	213,720,000
Total operating expenses	824,208,000	226,511,000	415,068,000
Loss from operations	(579,936,000)	(27,199,000)	(184,345,000)
Interest income	5,353,000	4,471,000	1,007,000
Interest expense	(12,553,000)	(14,769,000)	(14,394,000)
Other income (expense), net	2,526,000	1,108,000	(1,019,000)
Loss before income taxes	(584,610,000)	(36,389,000)	(198,751,000)
Provision for income taxes	3,468,000	19,865,000	112,075,000
Net loss	$ (588,078,000)	$ (56,254,000)	$ (310,826,000)
Net loss per share:
Basic	$ (14.12)	$ (1.4)	$ (7.93)
Diluted	$ (14.12)	$ (1.4)	$ (7.93)
Weighted-average common share outstanding:
Basic	41,642	40,215	39,187
Diluted	41,642	40,215	39,187
License
Revenues:
Total revenues	$ 124,746,000	$ 145,159,000	$ 158,610,000
Cost of revenues:
Total cost of revenues	6,060,000	8,522,000	2,698,000
Connected Services
Revenues:
Total revenues	133,444,000	75,071,000	85,571,000
Cost of revenues:
Total cost of revenues	24,787,000	22,995,000	22,722,000
Professional Services
Revenues:
Total revenues	73,314,000	74,245,000	83,710,000
Cost of revenues:
Total cost of revenues	$ 56,282,000	$ 63,232,000	$ 68,764,000

CONSOLIDATED STATEMENTS OF COMP

CONSOLIDATED STATEMENTS OF COMPREHENSIVE LOSS - USD ($) $ in Thousands	12 Months Ended
	Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2022
Statement of Comprehensive Income [Abstract]
Net loss	$ (588,078)	$ (56,254)	$ (310,826)
Other comprehensive income (loss):
Foreign currency translation adjustments	2,343	5,620	(37,179)
Pension adjustments, net	(539)	(66)	2,233
Unrealized gain (loss) on available-for-sale securities	250	217	(425)
Total other comprehensive income (loss)	2,054	5,771	(35,371)
Comprehensive loss	$ (586,024)	$ (50,483)	$ (346,197)

CONSOLIDATED BALANCE SHEETS

CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Sep. 30, 2024	Sep. 30, 2023
Current assets:
Cash and cash equivalents	$ 121,485	$ 101,154
Marketable securities	5,502	9,211
Accounts receivable, net of allowances of $1,613 and $4,044 at September 30, 2024 and September 30, 2023, respectively	62,755	61,270
Deferred costs	5,286	6,935
Prepaid expenses and other current assets	70,481	47,157
Total current assets	265,509	225,727
Long-term marketable securities	3,453	10,607
Property and equipment, net	30,139	34,013
Deferred costs	18,051	20,299
Operating lease right of use assets	12,879	11,961
Goodwill	296,858	900,342
Intangible assets, net	1,706	3,875
Deferred tax assets	51,398	46,601
Other assets	22,365	44,165
Total assets	702,358	1,297,590
Current liabilities:
Accounts payable	3,959	16,873
Deferred revenue	52,822	77,068
Short-term operating lease liabilities	4,528	5,434
Short-term debt	87,094
Accrued expenses and other current liabilities	68,405	48,718
Total current liabilities	216,808	148,093
Long-term debt, net of discounts and issuance costs	194,812	275,951
Deferred revenue, net of current portion	114,354	145,531
Long-term operating lease liabilities	8,803	7,947
Other liabilities	26,484	25,193
Total liabilities	561,261	602,715
Commitments and contingencies (Note 13)
Stockholders' Equity:
Common stock, $0.01 par value, 560,000 shares authorized as of September 30, 2024; 41,924 and 40,423 shares issued and outstanding as of September 30, 2024 and September 30, 2023, respectively	419	404
Accumulated other comprehensive loss	(25,912)	(27,966)
Additional paid-in capital	1,088,330	1,056,099
Accumulated deficit	(921,740)	(333,662)
Total stockholders' equity	141,097	694,875
Total liabilities and stockholders' equity	$ 702,358	$ 1,297,590

CONSOLIDATED BALANCE SHEETS (Pa

CONSOLIDATED BALANCE SHEETS (Parenthetical) - USD ($) $ in Thousands	Sep. 30, 2024	Sep. 30, 2023
Statement of Financial Position [Abstract]
Accounts receivable allowances	$ 1,613	$ 4,044
Common stock, par value	$ 0.01	$ 0.01
Common stock, shares authorized	560,000,000	560,000,000
Common stock, shares issued	41,924,000	40,423,000
Common stock, shares outstanding	41,924,000	40,423,000

CONSOLIDATED STATEMENTS OF EQUI

CONSOLIDATED STATEMENTS OF EQUITY - USD ($) shares in Thousands, $ in Thousands	Total	Cumulative Effect, Period of Adoption, Adjustment	Common Stock	Additional Paid-in-Capital	Additional Paid-in-Capital Cumulative Effect, Period of Adoption, Adjustment	Retained Earnings (Accumulated Deficit)	Retained Earnings (Accumulated Deficit) Cumulative Effect, Period of Adoption, Adjustment	Accumulated Other Comprehensive Income (Loss)
Balance at Sep. 30, 2021	$ 1,031,945		$ 381	$ 1,002,353		$ 27,577		$ 1,634
Balance (in shares) at Sep. 30, 2021			38,025
Net loss	(310,826)					(310,826)
Other comprehensive income (loss)	(35,371)							(35,371)
Issuance of common stock	36,062		$ 14	36,048
Issuance of common stock, (in shares)			1,584
Stock withheld to cover tax withholdings requirements upon stock vesting	(49,003)		$ (1)	(49,002)
Stock withheld to cover tax withholdings requirements upon stock vesting, (in shares)			(179)
Stock-based compensation	40,143			40,143
Balance at Sep. 30, 2022	$ 712,950	$ (8,530)	$ 394	1,029,542	$ (14,371)	(283,249)	$ 5,841	(33,737)
Balance (in shares) at Sep. 30, 2022			39,430
Accounting Standards Update [Extensible Enumeration]	us-gaap:AccountingStandardsUpdate202006CumulativeEffectPeriodOfAdoptionMember
Net loss	$ (56,254)					(56,254)
Other comprehensive income (loss)	5,771							5,771
Issuance of common stock	5,625		$ 11	5,614
Issuance of common stock, (in shares)			1,055
Increase in fair value of conversion option	4,054			4,054
Stock withheld to cover tax withholdings requirements upon stock vesting	(4,894)		$ (1)	(4,893)
Stock withheld to cover tax withholdings requirements upon stock vesting, (in shares)			(62)
Stock-based compensation	36,153			36,153
Balance at Sep. 30, 2023	694,875		$ 404	1,056,099		(333,662)		(27,966)
Balance (in shares) at Sep. 30, 2023			40,423
Net loss	(588,078)					(588,078)
Other comprehensive income (loss)	2,054							2,054
Issuance of common stock	10,901		$ 15	10,886
Issuance of common stock, (in shares)			1,502
Stock withheld to cover tax withholdings requirements upon stock vesting	(9,865)			(9,865)
Stock withheld to cover tax withholdings requirements upon stock vesting, (in shares)			(1)
Stock-based compensation	31,210			31,210
Balance at Sep. 30, 2024	$ 141,097		$ 419	$ 1,088,330		$ (921,740)		$ (25,912)
Balance (in shares) at Sep. 30, 2024			41,924

CONSOLIDATED STATEMENTS OF CASH

CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($)	12 Months Ended
	Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2022
Cash flows from operating activities:
Net loss	$ (588,078,000)	$ (56,254,000)	$ (310,826,000)
Adjustments to reconcile net loss to net cash provided by (used in) operations:
Depreciation and amortization	10,630,000	16,038,000	23,939,000
Provision for (benefit from) credit loss reserve	3,545,000	3,626,000	(413,000)
Stock-based compensation	23,673,000	40,766,000	28,076,000
Non-cash interest expense	6,060,000	2,914,000	5,281,000
Loss on debt extinguishment		1,333,000
Deferred tax (benefit) provision	(4,658,000)	7,597,000	97,287,000
Goodwill impairment	609,172,000	0	213,720,000
Unrealized foreign currency transaction (gain) losses	(1,454,000)	(3,393,000)	5,730,000
Other	(68,000)	(3,388,000)	385,000
Changes in operating assets and liabilities:
Accounts receivable	11,760,000	(16,964,000)	(6,590,000)
Prepaid expenses and other assets	(12,466,000)	28,192,000	(33,756,000)
Deferred costs	4,801,000	3,194,000	4,654,000
Accounts payable	(12,555,000)	5,774,000	157,000
Accrued expenses and other liabilities	27,874,000	(408,000)	(1,479,000)
Deferred revenue	(61,040,000)	(21,529,000)	(28,303,000)
Net cash provided by (used in) operating activities	17,196,000	7,498,000	(2,138,000)
Cash flows from investing activities:
Capital expenditures	(4,996,000)	(5,124,000)	(17,446,000)
Purchases of marketable securities		(18,025,000)	(31,757,000)
Sale and maturities of marketable securities	11,112,000	30,324,000	37,203,000
Payments for equity securities			(584,000)
Other investing activities	(1,737,000)	(1,355,000)	2,019,000
Net cash provided by (used in) investing activities	4,379,000	5,820,000	(10,565,000)
Cash flows from financing activities:
Proceeds from revolving credit facility		24,700,000
Payments of revolver credit facility		(24,700,000)
Proceeds from long-term debt, net of discount		210,000,000
Payments for long-term debt issuance costs	(419,000)	(17,176,000)
Principal payments of long-term debt		(198,438,000)	(6,250,000)
Common stock repurchases for tax withholdings for net settlement of equity awards	(9,865,000)	(4,894,000)	(49,003,000)
Principal payment of lease liabilities arising from a finance lease	(392,000)	(451,000)	(415,000)
Proceeds from the issuance of common stock	10,901,000	5,625,000	36,062,000
Net cash provided by (used in) financing activities	225,000	(5,334,000)	(19,606,000)
Effects of exchange rate changes on cash and cash equivalents	(1,469,000)	(1,677,000)	(1,272,000)
Net change in cash and cash equivalents	20,331,000	6,307,000	(33,581,000)
Cash and cash equivalents at beginning of period	101,154,000	94,847,000	128,428,000
Cash and cash equivalents at end of period	121,485,000	101,154,000	94,847,000
Supplemental information:
Cash paid for income taxes	10,180,000	11,185,000	12,273,000
Cash paid for interest	$ 6,028,000	$ 11,570,000	$ 9,088,000

Pay vs Performance Disclosure

Pay vs Performance Disclosure - USD ($) $ in Thousands	12 Months Ended
	Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2022
Pay vs Performance Disclosure
Net Income (Loss)	$ (588,078)	$ (56,254)	$ (310,826)

Insider Trading Arrangements

Insider Trading Arrangements	3 Months Ended
	Sep. 30, 2024
Trading Arrangements, by Individual
Material Terms of Trading Arrangement	Our policy governing transactions in our securities by directors, officers and employees permits our officers, directors and certain other persons to enter into trading plans complying with Rule 10b5-1 under the Exchange Act. Generally, under these trading plans, the individual relinquishes control over the transactions once the trading plan is put into place. Accordingly, sales under these plans may occur at any time, including possibly before, simultaneously with, or immediately after significant events involving our company. During the three-month period ending September 30, 2024, none of the Company’s directors or officers (as defined in Rule 16a-1(f) of the Exchange Act) adopted or terminated a Rule 10b5-1 trading arrangement or non-Rule 10b5-1 trading arrangement (as such terms are defined in Item 408 of Regulation S-K). We anticipate that, as permitted by Rule 10b5-1 and our policy governing transactions in our securities, some or all of our officers, directors and employees may establish trading plans in the future. We intend to disclose the names of executive officers and directors who establish a trading plan in compliance with Rule 10b5-1 and Regulation S-K, Item 408(a) and the requirements of our policy governing transactions in our securities in our future quarterly and annual reports on Form 10-Q and 10-K filed with the Securities and Exchange Commission. However, we undertake no obligation to update or revise the information provided herein, including for revision or termination of an established trading plan, other than in such quarterly and annual reports.
Rule 10b5-1 Arrangement Adopted	false
Non-Rule 10b5-1 Arrangement Adopted	false
Rule 10b5-1 Arrangement Terminated	false
Non-Rule 10b5-1 Arrangement Terminated	false

Organization

Organization	12 Months Ended
	Sep. 30, 2024
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Organization	1. Organization History On October 1, 2019 , (the “Distribution Date”), Nuance Communications, Inc. (“Nuance” or “the Parent”), a leading provider of speec h and language solutions for businesses and consumers around the world, completed the complete legal and structural separation and distribution to its stockholders of all of the outstanding shares of our common stock, and its consolidated subsidiaries, in a tax free spin-off (the “Spin-Off”). The distribution was made in the amount of one share of our common stock for every eight shares of Nuance common stock (the “Distribution”) owned by Nuance’s stockholders as of 5:00 p.m. Eastern Time on September 17, 2019, the record date of the Distribution. In connection with the Distribution, on September 30, 2019, we filed an Amended and Restated Certificate of Incorporation with the Secretary of State of the State of Delaware , which became effective on October 1, 2019 . Our Amended and Restated By-laws also became effective on October 1, 2019. On October 2, 2019, our common stock began regular-way trading on the Nasdaq Global Select Market under the ticker symbol CRNC. Business Cerence Inc. (referred to in this Annual Report on Form 10-K as “we,” “our,” “us,” “ourselves,” the “Company” or “Cerence”) is a global, premier provider of AI-powered assistants and innovations for connected and autonomous vehicles. Our customers include nearly all major automobile original equipment manufacturers (“OEMs”), or their tier 1 suppliers worldwide. We deliver our solutions on a white-label basis, enabling our customers to deliver customized virtual assistants with unique, branded personalities and ultimately strengthening the bond between automobile brands and end users. We generate revenue primarily by selling software licenses and cloud-connected services. In addition, we generate professional services revenue from our work with OEMs and suppliers during the design, development and deployment phases of the vehicle model lifecycle and through maintenance and enhancement projects.

Summary of Significant Accounti

Summary of Significant Accounting Policies	12 Months Ended
	Sep. 30, 2024
Accounting Policies [Abstract]
Summary of Significant Accounting Policies	2. Summary of Significant Accounting Policies (a) Basis of Presentation The accompanying consolidated financial statements of the Company have been prepared in accordance with accounting principles generally accepted in the United States (“GAAP”) and the rules and regulations of the Securities and Exchange Commission (“SEC”). The consolidated financial statements reflect all adjustments considered necessary for a fair presentation of the consolidated results of operations and financial position for the fiscal years presented. All such adjustments are of a normal recurring nature. (b) Principles of Consolidation The accompanying consolidated financial statements include the accounts of the Company, as well as those of our wholly owned subsidiaries. All significant intercompany transactions and balances are eliminated in consolidation. (c) Use of Estimates The Consolidated Financial Statements are prepared in accordance with GAAP, which requires management to make estimates and assumptions. These estimates, judgments and assumptions can affect the reported amounts in the financial statements and the footnotes thereto. Actual results could differ materially from these estimates. On an ongoing basis, we evaluate our estimates, assumptions and judgments. Significant estimates inherent to the preparation of financial statements include: revenue recognition; the allowances for credit losses; accounting for deferred costs; accounting for internally developed software; the valuation of goodwill and intangible assets; accounting for stock-based compensation; accounting for income taxes; accounting for leases; accounting for convertible debt; and loss contingencies. We base our estimates on historical experience, market participant fair value considerations, projected future cash flows, and various other factors that are believed to be reasonable under the circumstances. Actual amounts could differ significantly from these estimates. (d) Revenue Recognition We primarily derive revenue from the following sources: (1) royalty-based software license arrangements, (2) connected services, and (3) professional services. Revenue is reported net of applicable sales and use tax, value-added tax and other transaction taxes imposed on the related transaction including mandatory government charges that are passed through to our customers. We account for a contract when both parties have approved and committed to the contract, the rights of the parties are identified, payment terms are identified, the contract has commercial substance and collectability of consideration is probable. See Note 3 – Revenue Recognition for additional details. (e) Cash and Cash Equivalents Cash and cash equivalents include cash on hand and highly liquid investments that are readily convertible to known amounts of cash and have original maturities of three months or less. (f) Marketable Securities Market able securities consist of commercial paper, government securities and corporate bonds. We classify our marketable securities as available-for-sale at the time of purchase and reevaluate such classification as of each balance sheet date. We may sell these securities at any time for use in current operations even if they have not yet reached maturity. We classify our marketable securities as either short-term or long-term based on the nature of each security. We record marketable securities at fair value, with the unrealized gains or losses included within Accumulated other comprehensive loss on the Consolidated Balance Sheets until realized. Interest income earned from our marketable securities is reported within Interest income on the Consolidated Statements of Operations. We evaluate our marketable securities to assess whether those with unrealized loss positions are other than temporarily impaired. We consider impairment to be other than temporary if it is related to deterioration in credit risk or if it is likely we will sell the securities before the recovery of their cost basis. Realized gains and losses and declines in value judged to be other than temporary are determined based on the specific identification method and are reported in Other income (expense), net on the Consolidated Statements of Operations. (g) Inventory Inventory, consisting primarily of finished goods related to our Cerence Link product, is accounted for using the first in, first out method, and is valued at the lower of cost and net realizable value. Inventory is included within Prepaid expenses and other current assets. As of September 30, 2024 and September 30, 2023, inventory was $ 1.0 million and $ 0.5 million, respectively. (h) Goodwill Go odwill represents the excess of the purchase price in a business combination over the fair value of net assets acquired. Goodwill is not amortized but tested annually for impairment or when indicators of impairment are present. The test for goodwill impairment involves a qualitative assessment of impairment indicators. If indicators are present, a quantitative test of impairment is performed. Goodwill impairment, if any, is determined by comparing the reporting unit’s fair value to its carrying value. An impairment loss is recognized in an amount equal to the excess of the reporting unit’s carrying value over its fair value, up to the amount of goodwill allocated to the reporting unit. Goodwill is tested for impairment annually on July 1, the first day of the fourth quarter of the fiscal year. There is no goodwill impairment for the fiscal year ended September 30, 2023. We believe our Chief Executive Officer (“CEO”) is our chief operating decision maker (“CODM”). Our CEO approves all major decisions, including reorganizations and new business initiatives. Our CODM reviews routine consolidated operating information and makes decisions on the allocation of resources at this level, as such, we have concluded that we have one operating segment. For the purpose of testing goodwill for impairment, all goodwill acquired in a business combination is assigned to one or more reporting units. A reporting unit represents an operating segment or a component within an operating segment for which discrete financial information is available and is regularly reviewed by segment management for performance assessment and resource allocation. Components of similar economic characteristics are aggregated into one reporting unit for the purpose of goodwill impairment assessment. Reporting units are identified annually and re-assessed periodically for recent acquisitions or any changes in segment reporting structure. Upon consideration of our components, we have concluded that our goodwill is associated with one reporting unit. The fair value of a reporting unit is generally determined using a combination of the income approach and the market approach. For the income approach, fair value is determined based on the present value of estimated future after-tax cash flows, discounted at an appropriate risk-adjusted rate. We use our internal forecasts to estimate future after-tax cash flows and estimate the long-term growth rates based on our most recent views of the long-term outlook for each reporting unit. Actual results may differ from those assumed in our forecasts. We derive our discount rates using a capital asset pricing model and analyzing published rates for industries relevant to our reporting units to estimate the weighted average cost of capital. We adjust the discount rates for the risks and uncertainty inherent in the respective businesses and in our internally developed forecasts. For the market approach, we use a valuation technique in which values are derived based on valuation multiples of comparable publicly traded companies. We assess each valuation methodology based upon the relevance and availability of the data at the time we perform the valuation and weight the methodologies appropriately. For the fiscal year ended September 30, 2022, we performed a quantitative impairment test. We concluded indicators of impairment were present due to the current macroeconomic conditions, including continued declines in our stock price. The fair value of our reporting unit was determined using a combination of the income approach and the market approach. For the income approach, fair value was determined based on the present value of estimated future after-tax cash flows using our multi-year target plan, discounted at an appropriate risk-adjusted rate. For the market approach, we used a valuation technique in which values were derived based on valuation multiples of comparable publicly traded companies. Based upon the results of the impairment test, we recorded a goodwill impairment charge of $ 213.7 million within the Consolidated Statement of Operations. At March 31, 2024, we concluded indicators of impairment were present due to the current macroeconomic conditions, including declines in our stock price. The fair value of our reporting unit was determined using a combination of the income approach and the market approach. We weighted the methodologies appropriately to estimate a fair value of approximately $ 463.4 million as of March 31, 2024. The carrying value of our reporting unit exceeded the estimated fair value. Based upon the results of the impairment test, we recorded a goodwill impairment charge of $ 252.1 million during the three months ended March 31, 2024. At June 30, 2024, we concluded indicators of impairment were present due to the current macroeconomic conditions, including declines in our stock price. The fair value of our reporting unit was determined using a combination of the income approach and the market approach. We weighted the methodologies appropriately to estimate a fair value of approximately $ 154.2 million as of June 30, 2024. The carrying value of our reporting unit exceeded the estimated fair value. Based upon the results of the impairment test, we recorded a goodwill impairment charge of $ 357.1 million during the three months ended June 30, 2024. On July 1, 2024, we concluded that a quantitative goodwill impairment test is not necessary as of July 1, 2024, as the June 30, 2024 quantitative analysis is deemed applicable. (i) Long-Lived Assets with Definite Lives Our long-lived assets consist principally of technology and patents, customer relationships, internally developed software, property and equipment. Customer relationships are amortized over their estimated economic lives based on the pattern of economic benefits expected to be generated from the use of the asset. Other definite-lived assets are amortized over their estimated economic lives using the straight-line method. The remaining useful lives of long-lived assets are re-assessed periodically for any events and circumstances that may change the future cash flows expected to be generated from the long-lived asset or asset group. Internally developed software consists of capitalized costs incurred during the application development stage, which include costs to design the software configuration and interfaces, coding, installation and testing. Costs incurred during the preliminary project stage, along with post-implementation stages of internally developed software, are expensed as incurred. Internally developed software costs that have been capitalized are typically amortized over the estimated useful life, commencing with the date when an asset is ready for its intended use. Equipment is stated at cost and depreciated over the estimated useful life. Leasehold improvements are depreciated over the shorter of the related remaining lease term or the estimated useful life. Depreciation is computed using the straight-line method. Repair and maintenance costs are expensed as incurred. The cost and related accumulated depreciation of sold or retired assets are removed from the accounts and any gain or loss is included in the results of operations for the period. Long-lived assets with definite lives are tested for impairment whenever events or changes in circumstances indicate the carrying value of a specific asset or asset group may not be recoverable. We assess the recoverability of long-lived assets with definite lives at the asset group level. Asset groups are determined based upon the lowest level for which identifiable cash flows are largely independent of the cash flows of other assets and liabilities. When the asset group is also a reporting unit, goodwill assigned to the reporting unit is also included in the carrying amount of the asset group. For the purpose of the recoverability test, we compare the total undiscounted future cash flows from the use and disposition of the assets with its net carrying amount. When the carrying value of the asset group exceeds the undiscounted future cash flows, the asset group is deemed to be impaired. The amount of the impairment loss represents the excess of the asset or asset group’s carrying value over its estimated fair value, which is generally determined based upon the present value of estimated future pre-tax cash flows that a market participant would expect from use and disposition of the long-lived asset or asset group. There was no impairment of long-lived assets during the years ended September 30, 2024, 2023, and 2022 . (j) Allowance for Credit Losses We are exposed to credit losses primarily through our sales of software licenses and services to customers. We determine credit ratings for each customer in our portfolio based upon public information and information obtained directly from our customers. A credit limit for each customer is established and in certain cases we may require collateral or prepayment to mitigate credit risk. Our expected loss methodology is developed using historical collection experience, current customer credit information, current and future economic and market conditions and a review of the current status of the customer's account balances. We monitor our ongoing credit exposure through reviews of customer balances against contract terms and due dates, current economic conditions, and dispute resolution. Estimated credit losses are written off in the period in which the financial asset is no longer collectible. The change in the allowance for credit losses for the fiscal year ended September 30, 2024, 2023, and 2022 is as follows (dollars in thousands): Allowance for Credit Losses Balance as of September 30, 2021 $ 879 Credit loss provision ( 431 ) Write-offs, net of recoveries 18 Foreign exchange impact on ending balance ( 95 ) Balance as of September 30, 2022 $ 371 Credit loss provision 3,626 Foreign exchange impact on ending balance 134 Balance as of September 30, 2023 $ 4,131 Credit loss provision 3,545 Write-offs, net of recoveries ( 6,073 ) Foreign exchange impact on ending balance 11 Balance as of September 30, 2024 $ 1,614 (k) Research and Development Research and development (“R&D”) costs related to software that is or will be sold or licensed externally to third-parties, or for which a substantive plan exists to sell or license such software in the future, incurred subsequent to the establishment of technological feasibility, but prior to the general release of the product, are capitalized and amortized to cost of revenue over the estimated useful life of the related products. We have determined that technological feasibility is reached shortly before the general release of the software products. Costs incurred after technological feasibility is established have not been material. R&D costs are otherwise expensed as incurred. (l) Income Taxe s We account for income taxes using the assets and liabilities method, as prescribed by ASC No. 740, Income Taxes , or ASC 740. Deferred Taxes Deferred tax assets and liabilities are recognized for the estimated future tax consequences attributable to differences between the financial statement carrying amount of assets and liabilities and their respective tax bases. The method also requires the recognition of future tax benefits such as net operating loss carryforwards, to the extent that realization of such benefits is more likely than not after consideration of all available evidence. As the income tax returns are not due and filed until after the completion of our annual financial reporting requirements, the amounts recorded for the current period reflect estimates for the tax-based activity for the period. In addition, estimates are often required with respect to, among other things, the appropriate state and foreign income tax rates to use, the potential utilization of operating loss carry-forwards and valuation allowance required, if any, for tax assets that may not be realizable in the future. Tax laws and tax rates vary substantially in these jurisdictions and are subject to change given the political and economic climate. We report and pay income tax based on operational results and applicable law. Our tax provision contemplates tax rates currently enacted to determine both our current and deferred tax positions. Any significant fluctuations in rates or changes in tax laws could cause our estimates of taxes we anticipate either paying or recovering in the future to change. Such changes could lead to either increases or decreases in our effective tax rates. We have historically estimated the future tax consequences of certain items, including accruals that cannot be deducted for income tax purposes until such expenses are paid or the related assets are disposed. We believe the procedures and estimates used in our accounting for income taxes are reasonable and in accordance with established tax law. The income tax estimates used have not resulted in material adjustments to income tax expense in subsequent period when the estimates are adjusted to the actual filed tax return amounts. Deferred tax assets and liabilities are measured using enacted tax rates expected to apply to taxable income in the fiscal years in which those temporary differences are expected to be recovered or settled. With respect to earnings expected to be indefinitely reinvested offshore, we do no t accrue tax for the repatriations of such foreign earnings. Valuation Allowance We regularly review our deferred tax assets for recoverability considering historical profitability, projected future taxable income, the expected timing of the reversals of existing temporary differences and tax planning strategies. In assessing the need for a valuation allowance, we consider both positive and negative evidence related to the likelihood of realization of the deferred tax assets. The weight given to the positive and negative evidence is commensurate with the extent to which the evidence may be objectively verified. If positive evidence regarding projected future taxable income, exclusive of reversing taxable temporary differences, existed it would be difficult for it to outweigh objective negative evidence of recent financial reporting losses. During the third quarter of fiscal year 2022, we established a valuation allowance of $ 107.6 million against our deferred tax assets in a forei gn jurisdiction, which consists of tax amortizable intellectual property and net operating loss carryforwards. We will continue to maintain a valuation allowance against these deferred tax assets until we believe it is more likely than not that they will be realized. If sufficient positive evidence arises in the future indicating that all or a portion of the deferred tax assets meet the more likely than not standard, the valuation allowance would be reversed accordingly in the period that such determination is made. Uncertain Tax Positions We operate in multiple jurisdictions through wholly owned subsidiaries and our global structure is complex. The estimates of our uncertain tax positions involve judgments and assessment of the potential tax implications related to legal entity restructuring, intercompany transfers and acquisitions or divestitures. We recognize tax benefits from uncertain tax positions only if it is more likely than not that the tax position will be sustained on examination by the taxing authorities, based on the technical merits of the position. Our tax positions are subject to audit by taxing authorities across multiple global jurisdictions and the resolution of such audits may span multiple years. Tax laws are complex and often subject to varied interpretations, accordingly, the ultimate outcome with respect to taxes we may owe may differ from the amounts recognized. (m) Accumulated Other Comprehensive Loss The c omponents of accumulated other comprehensive loss, reflected in the Consolidated Statements of Equity, consists of the following (dollars in thousands): September 30, 2024 2023 Foreign currency translation adjustments $ ( 25,932 ) $ ( 28,275 ) Net unrealized (losses) gains on post-retirement benefits ( 11 ) 528 Net unrealized gains (losses) on available-for-sale securities 31 ( 219 ) Accumulated other comprehensive loss $ ( 25,912 ) $ ( 27,966 ) No income tax provisions or benefits are recorded for foreign currency translation adjustments as the undistributed earnings in our foreig n subsidiaries are expected to be indefinitely reinvested. (n) Concentration of Risk Financial instruments that potentially subject us to significant concentrations of credit risk primarily consist of trade accounts receivabl e. We perform ongoing credit evaluations of our customers’ financial condition and limit the amount of credit extended when deemed appropriate. One customer accounted for 21.4 % of our Accounts receivable, net balance at September 30, 2024 . Two customers accounted for 10.8 % and 10.1 % of our Accounts receivable, net balance at September 30, 2023 . (o) Foreign Currency Translation The functional currency of a foreign subsidiary is generally the local currency. We translate the financial statements of foreign subsidiaries to U.S. dollars using month-end exchange rates for assets and liabilities, and average rates for the reporting period for revenues, costs, and expenses. We record translation gains and losses in Accumulated other comprehensive loss as a component of stockholders’ equity. We record net foreign exchange transaction gains and losses resulting from the conversion of the transaction currency to the functional currency within Other income (expense), net. Foreign currency transaction (gains) losses for the fiscal years ended September 30, 2024, 2023 and 2022 were ($ 1.8 ) million, $ 2.3 million, and $ 0.1 million, respectively. (p) Stock-Based Compensation Stock-based compensation primarily consists of restricted stock units with service or market/performance conditions. Equity awards are measured at the fair market value of the underlying stock at the grant date. We recognize stock compensation expense using the straight-line attribution method over the requisite service period. We record forfeitures as they occur. For performance-based restricted stock units, the compensation cost is recognized based on the number of units expected to vest upon the achievement of the performance conditions. Shares are issued on the vesting dates net of the applicable statutory tax withholding to be paid by us on behalf of our employees. As a result, fewer shares are issued to the employee than the number of awards outstanding. We record a liability for the tax withholding to be paid by us as a reduction to Additional paid-in capital. We record any income tax effect related to stock-based awards through the Consolidated Statements of Operations. Excess tax benefits are recognized as deferred tax assets upon settlement and are subject to regular review for valuation allowance, when applicable. (q) Leases We h ave entered into a number of facility and equipment leases which qualify as operating leases under GAAP. We also have a limited number of equipment leases that qualify as financing leases. We determine if contracts with vendors represent a lease or have a lease component under GAAP at contract inception. Our leases have remaining terms ranging from less than one year to six years . Some of our leases include options to extend or terminate the lease prior to the end of the agreed upon lease term. For purposes of calculating lease liabilities, lease terms include options to extend or terminate the lease when it is reasonably certain that we will exercise such options. Operating lease right of use assets and liabilities are recognized based on the present value of the future minimum lease payments over the lease term at the lease commencement date. As our leases generally do not provide an implicit rate, we use an estimated incremental borrowing rate in determining the present value of future payments. The incremental borrowing rate represents an estimate of the interest rate we would incur at lease commencement to borrow an amount equal to the lease payments on a collateralized basis over the term of a lease within a particular location and currency environment. Operating leases are included in Operating lease right of use assets, Short-term operating lease liabilities, and Long-term operating lease liabilities on our Consolidated Balance Sheets as of September 30, 2024 and 2023. Finance leases are included in Property and equipment, net, Accrued expenses and other current liabilities, and Other liabilities on our Consolidated Balance Sheets as of September 30, 2024 and 2023. Lease costs for minimum lease payments is recognized on a straight-line basis over the lease term. For operating leases, costs are included within Cost of revenues, Research and development, Sales and marketing, and General and administrative lines on the Consolidated Statements of Operations. For financing leases, amortization of the finance right of use assets is included within Research and Development, Sales and marketing, and General and administrative lines on the Consolidated Statements of Operations, and interest expense is included within Interest expense. For operating leases, the related cash payments are included in the operating cash flows on the Consolidated Statements of Cash Flows. For fina ncing leases, the related cash payments for the principal portion of the lease liability are included in the financing cash flows on the Consolidated Statement of Cash Flows and the related cash payments for the interest portion of the lease liability are included within the operating section of the Consolidated Statement of Cash Flows. (r) Convertible Debt We adopted ASU 2020-06 on October 1, 2022. Since the adoption of ASU 2020-06, we record our convertible debt at face value less unamortized issuance costs. Issuance costs are amortized to Interest expense in our Consolidated Statements of Operations using the effective interest method over the expected term of the convertible debt. We assess the short-term and long-term classification of our convertible debt on each balance sheet date. Whenever the holders have a contractual right to convert, the carrying amount of the convertible debt is reclassified to current liabilities. Prior to the adoption of ASU 2020-06: (i) we bifurcate the debt and equity (the contingently convertible feature) components of our converti ble debt instruments in a manner that reflects our nonconvertible debt borrowing rate at the time of issuance; (ii) the equity components of our convertible debt instruments were recorded within stockholders’ equity with an allocated issuance premium or discount; (iii) the debt issuance premium or discount was amortized to Interest expense in our Consolidated Statements of Operations using the effective interest method over the expected term of the convertible debt. We assess the short-term and long-term classification of our convertible debt on each balance sheet date. Whenever the holders have a contractual right to convert, the carrying amount of the convertible debt is reclassified to current liabilities, with the corresponding equity component classified from additional paid-in capital to mezzanine equity, as needed. (s) Net Loss Per Share Basic net loss per share is computed using the weighted-average number of common shares outstanding during the period. Diluted net loss per share is computed using the weighted-average number of common shares, giving effect to potentially dilutive securities outstanding during the period. Potentially dilutive securities consist of restricted stock units, contingently issuable shares, and potential issuance of stock upon conversion of our Notes, as more fully described in Note 17. The dilutive effect of the Notes is reflected i n net loss per share by application of the “if-converted” method. The “if-converted” method is only assumed in periods where such application would be dilutive. In applying the “if-converted” method for diluted net loss per share, we would assume conversion of the Notes at the respective ratio as further described in Note 17. Assumed converted shares of our common stock are weighted for the period the Notes were outstanding. (t) Recently Adopted Accounting Standards Non e. (u) Issued Accounting Standards Not Yet Adopted From time to time, new accounting pronouncements are issued by the FASB and are adopted by us as of the specified effective dates. Unless otherwise discussed, such pronouncements will not have a significant impact on our consolidated financial position, results of operations or cash flows, or do not apply to our operations. In November 2023, the Financial Accounting Standard Board (“FASB”) issued Accounting Standards Update (“ASU”) 2023-07, “Segment Reporting (Topic 280): Improvements to Reportable Segment Disclosures” (“ASU 2023-07”), to expand reportable segment disclosure requirements, primarily through enhanced disclosures about significant segment expenses. The amendments in the ASU require that a public entity disclose, on an annual and interim basis, significant segment expenses that are regularly provided to an entity's chief operating decision maker (“CODM”), a description of other segment items by reportable segment, and any additional measures of a segment's profit or loss used by the CODM when deciding how to allocate resources. ASU 2023-07 applies to entities with a single reportable segment. ASU 2023-07 is effective for fiscal years beginning after December 15, 2023, and for interim periods within fiscal years beginning after December 15, 2024. A public entity should apply ASU 2023-07 retrospectively to all prior periods presented in the financial statements, with early adoption permitted. We are currently in the process of evaluating the effects of this pronouncement on our consolidated financial statements and disclosures. In December 2023, the FASB issued ASU No. 2023-09, “Income Taxes (Topic 740): Improvements to Income Tax Disclosures” (“ASU 2023-0 9”), which requires greater disaggregation of income tax disclosures related to the income tax rate reconciliation and income taxes paid and is effective for fiscal years beginning after December 15, 2024. Early adoption is permitted for annual financial statements that have not yet been issued. The amendments should be applied on a prospective basis although retrospective application is permitted. We are currently in the process of evaluating the effects of this pronouncement on our consolidated financial statements and disclosures.

Revenue Recognition

Revenue Recognition	12 Months Ended
	Sep. 30, 2024
Revenue from Contract with Customer [Abstract]
Revenue Recognition	3. Revenue Recognition We primarily derive revenue from the following sources: (1) royalty-based software license arrangements, (2) connected services, and (3) professional services. Revenue is reported net of applicable sales and use tax, value-added tax and other transaction taxes imposed on the related transaction including mandatory government charges that are passed through to our customers. We account for a contract when both parties have approved and committed to the contract, the rights of the parties are identified, payment terms are identified, the contract has commercial substance and collectability of consideration is probable. Our arrangements with customers may contain multiple products and services. We account for individual products and services separately if they are distinct—that is, if a product or service is separately identifiable from other items in the contract and if a customer can benefit from it on its own or with other resources that are readily available to the customer. We recognize revenue after applying the following five steps for arrangements with customers within the scope of ASC 606: • identification of the contract, or contracts, with a customer; • identification of the performance obligations in the contract, including whether they are distinct within the context of the contract; • determination of the transaction price, including the constraint on variable consideration; • allocation of the transaction price to the performance obligations in the contract; and • recognition of revenue when, or as, performance obligations are satisfied. We allocate the transaction price of the arrangement based on the relative estimated SSP of each distinct performance obligation. In determining SSP, we maximize observable inputs, when possible. Since prices vary from customer to customer based on customer relationship, volume discount and contract type, in instances where the SSP is not directly observable, we estimate SSP by considering a number of data points, including cost of developing and supplying each performance obligation; types of offerings; and gross margin objectives and pricing practices, such as contractually stated prices, discounts offered, and applicable price lists. We only include estimated amounts in the transaction price to the extent it is probable that a significant reversal of cumulative revenue recognized will not occur when the uncertainty associated with the variable consideration is resolved. When applicable, we reduce transaction prices for estimated returns and other allowances that represent variable consideration under ASC 606, which we estimate based on historical return experience and other relevant factors, and record a corresponding refund liability as a component of Accrued expenses and other current liabilities. Other forms of contingent revenue or variable consideration are infrequent. Revenue is recognized when control of these product or services are transferred to our customers, in an amount that reflects the consideration we expect to be entitled to in exchange for those products or services. We assess the timing of the transfer of products or services to the customer as compared to the timing of payments to determine whether a significant financing component exists. In accordance with the practical expedient in ASC 606-10-32-18, we do not assess the existence of a significant financing component when the difference between payment and transfer of deliverables is a year or less. If the difference in timing arises for reasons other than the provision of finance to either the customer or us, no financing component is deemed to exist. The primary purpose of our invoicing terms is to provide customers with simplified and predictable ways of purchasing our services, not to receive or provide financing from or to customers. We do not consider set-up fees nor other upfront fees paid by our customers to represent a financing component. Reimbursements for out-of-pocket costs generally include, but are not limited to, costs related to transportation, lodging and meals. When applicable, revenue from reimbursed out-of-pocket costs is accounted for as variable consideration. (a) Performance Obligations Licenses Embedded software and technology licenses operate without access to external networks and information. Embedded licenses sold with non-distinct professional services to customize and/or integrate the underlying software and technology are accounted for as a combined performance obligation. Revenue from the combined performance obligation is recognized over time based upon the progress towards completion of the project, which is measured based on the labor hours already incurred to date as compared to the total estimated labor hours. Revenue from distinct embedded software and technology licenses, which do not require professional services to customize and/or integrate the software license, is recognized at the point in time when the software and technology is made available to the customer and control is transferred. For income statement presentation purposes, we separate distinct embedded license revenue from professional services revenue by allocating the transaction price based on their relative SSPs. Revenue from embedded software and technology licenses sold on a royalty basis, where the license of non-exclusive intellectual property is the predominant item to which the royalty relates, is recognized in the period the usage occurs in accordance with ASC 606-10-55-65(A). For royalty arrangements that include fixed consideration related to usage guarantees, the fixed consideration is recognized when the software is made available to the customer. Connected Services Connected services, which allow our customers to use the hosted software over the contract period without taking possession of the so ftware, are provided on a usage basis as consumed or on a fixed fee subscription basis. Our connected services contract terms generally range from on e to five years . As each day of providing services is substantially the same and the customer simultaneously receives and consumes the benefits as access is provided, we have determined that our usage basis connected services arrangements are a single performance obligation comprised of a series of distinct services. These services include variable consideration, typically a function of usage. We recognize revenue as each distinct service period is performed (i.e., recognized as incurred). Fixed fee subscription basis revenue represents a single promise to stand-ready to provide access to our connected services. We recognize revenue over time on a ratable basis over the respective hosting subscription term. Our connected service arrangements generally include services to develop, customize, and stand-up applications for each customer. In determining whether these services are distinct, we consider the dependence of the cloud service on the up-front development and stand-up, as well as availability of the services from other vendors. We have concluded that the up-front development, stand-up and customization services are not distinct performance obligations, and as such, revenue for these activities is recognized over the period during which the cloud-connected services are provided, and is included within Connected services revenue. There can be instances where the customer purchases a software license that allows them to take possession of the software to enable hosting by the customer or a third-party. For such arrangements, the performance obligation of the license is completed at a point in time once the customer takes possession of the software. Professional Services Revenue from distinct professional services, including training, is recognized over time based upon the progress towards completion of the project, which is measured based on the labor hours already incurred to date as compared to the total estimated labor hours. (b) Significant Judgments Determining whether products and services are considered distinct performance obligations that should be accounted for separately versus together may require significant judgment. Our license contracts often include professional services to customize and/or integrate the licenses into the customer’s environment. Judgment is required to determine whether the license is considered distinct and accounted for separately, or not distinct and accounted for together with professional services. Furthermore, hybrid contracts that contain both embedded and connected license and professional services are analyzed to determine if the products and services are distinct or have stand-alone functionality to determine the revenue treatment. We allocate the transaction price of the arrangement based on the relative estimated SSP of each distinct performance obligation. Judgment is required to determine the SSP for each distinct performance obligation. In determining SSP, we maximize observable inputs, when possible. Since our prices vary from customer to customer based on customer relationship, volume discount and contract type, there are instances where the SSP is not directly observable. In such instances, we estimate SSP by considering a number of data points, including cost of developing and supplying each performance obligation; types of offerings; and gross margin objectives and pricing practices, such as contractually stated prices, discounts offered, and applicable price lists. These factors may vary over time, depending upon the unique facts and circumstances related to each deliverable. We review the SSP for each distinct performance obligation on a periodic basis, or when the underlying factors are deemed to have changed, and make updates when appropriate. (c) Disaggregated Revenue Revenues, classif ied by the major geographic region in which our customers are located, for the fiscal years ended September 30, 2024, 2023 and 2022 (dollars in thousands): Year Ended September 30, 2024 2023 2022 Revenues: United States $ 139,441 $ 87,120 $ 100,564 Other Americas 623 244 99 Germany 94,050 87,211 74,550 Other Europe, Middle East and Africa 18,018 15,603 15,579 Japan 42,466 40,122 74,480 Other Asia-Pacific 36,906 64,175 62,619 Total net revenues $ 331,504 $ 294,475 $ 327,891 Revenues relating to one customer accounted for $ 84.2 million, or 25.4 % of revenue for the fiscal year ended September 30, 2024. Revenues relating to one customer accounted for $ 42.1 million, or 14.3 % of revenue for the fiscal year ended September 30, 2023. Rev enues relating to two customers accounted for $ 55.4 million, or 16.9 %, and $ 48.9 million, or 14.9 % of revenue for the fiscal year ended September 30, 2022. During fiscal year 2022, certain existing variable long-term contracts with our largest customer were converted into minimum purchase commitment deals. The estimated future revenues related to these long-term contracts were previously included in our estimated future revenues from variable forecasted royalties related to our embedded and connected businesses. These minimum purchase commitment deals accounted for $ 47.1 million of revenues for fiscal year 2022. The cash associated with these deals is expected to be collected over the distribution period, which could be up to five years . (d) Contract Acquisition Costs Capitalized costs primarily relate to paid commissions. In accordance with the practical expedient in ASC 606-10-10-4, we apply a portfolio approach to estimate contract acquisition costs for groups of customer contracts. We elect to apply the practical expedient in ASC 340-40-25-4 and will expense contract acquisition costs as incurred where the expected period of benefit is one year or less. Contract acquisition costs are deferred and amortized on a straight-line basis over the period of benefit, which we have estimated t o be, on average, between one and eight years . The period of benefit was determined based on an average customer contract term, expected contract renewals, changes in technology and our ability to retain customers, including canceled contracts. We assess the amortization term for all major transactions based on spec ific facts and circumstances. Contract acquisition costs are classified as current or noncurrent assets based on when the expense will be recognized. The current and noncurrent portions of contract acquisition costs are included in Prepaid expenses and other current assets, and in Other assets, respectively. As of September 30, 2024 and 2023 , we had $ 7.1 million and $ 8.0 million of contract acquisition costs. We had amortization expense of $ 3.8 million, $ 3.8 million and $ 2.5 million related to these costs during the fiscal years ended September 30, 2024, 2023 and 2022, respectively . There was no impairment related to contract acquisition costs. (e) Capitalized Contract Costs We capitalize incremental costs incurred to fulfill our contracts that (i) relate directly to the contract, (ii) are expected to gener ate resources that will be used to satisfy our performance obligation under the contract, and (iii) are expected to be recovered through revenue generated under the contract. Our capitalized costs consist primarily of setup costs, such as costs to standup, customize and develop applications for each customer, which are incurred to satisfy our stand-ready obligation to provide access to our connected offerings. These contract costs are expensed to cost of revenue as we satisfy our stand-ready obligation over the contract term which we estimate to be between one and eight years , on average. The contract term was determined based on an average customer contract term, expected contract renewals, changes in technology, and our ability to retain customers, including canceled contracts. We classify these costs as current or noncurrent based on the timing of when we expect to recognize the expense. The current and noncurrent portions of capitalized contract fulfillment costs are presented as Deferred costs. We ha d amortization expense of $ 8.9 million, $ 9.9 million and $ 10.2 million related to these costs during the fiscal years ended September 30, 2024, 2023 and 2022, respectively. There was no impairment related to contract costs capitalized. (f) Trade Accounts Receivable and Contract Balances We classify our right to consideration in exchange for deliverables as either a receivable or a contract asset. A receivable is a right to consideration that is unconditional (i.e. only the passage of time is required before payment is due). We present such receivables in Accounts receivable, net in our Consolidated Balance Sheets at their net estimated realizable value. Accounts receivable, net as of September 30, 2024, 2023, and 2022 were $ 62.8 million, $ 61.3 million, and $ 45.1 million. We maintain an allowance for credit losses to provide for the estimated amount of receivables and contract assets that may not be collected. Our contract assets and liabilities are reported in a net position on a contract-by-contract basis at the end of each reporting period. Contract assets include unbilled amounts from long-term contracts when revenue recognized exceeds the amount billed to the customer, and right to payment is not solely subject to the passage of time. The current and noncurrent portions of contract assets are included in Prepaid expenses and other current assets and Other assets, respectively. The table below shows significant changes in contract assets (dollars in thousands): Contract assets Balance as of September 30, 2022 $ 76,292 Revenues recognized but not billed 43,749 Amounts reclassified to accounts receivable, net ( 65,931 ) Foreign exchange impact on ending balance 2,598 Balance as of September 30, 2023 $ 56,708 Revenues recognized but not billed 33,037 Amounts reclassified to accounts receivable, net ( 63,073 ) Write-off of contract assets ( 5,995 ) Foreign exchange impact on ending balance 1,542 Balance as of September 30, 2024 $ 22,219 During the fiscal year ended September 30, 2024, we recorded a $ 6.1 million provision relating to the bankruptcy of one fitness equipment manufacturer, of which $ 6.0 million relates to a contract asset and $ 0.1 million relates to a trade receivable. Our contract liabilities, which we present as deferred revenue, consist of advance payments and billings in excess of revenues recognized. We classify deferred revenue as current or noncurrent based on when we expect to recognize the revenues. The table below shows significant changes in deferred revenue (dollars in thousands): Deferred revenue Balance as of September 30, 2022 $ 238,634 Amounts billed but not recognized 79,114 Revenue recognized ( 99,888 ) Foreign exchange impact on ending balance 4,739 Balance as of September 30, 2023 $ 222,599 Amounts billed but not recognized 109,201 Revenue recognized ( 169,970 ) Foreign exchange impact on ending balance 5,346 Balance as of September 30, 2024 $ 167,176 (g) Remaining Performance Obligations The following table includes estimated revenue expected to be recognized in the future related to performance obligations that are unsatisfied or partially unsatisfied at September 30, 2024 (dollars in thousands): Within One Two to Five Greater Total Total revenue $ 81,613 $ 91,134 $ 32,763 $ 205,510 The table above includes fixed remaining performance obligations and does not include contingent usage-based activities, such as royalties and usage-based connected services. On October 31, 2023, we entered into an early termination agreement relating to a legacy contract acquired by Nuance through a 2013 acquisition. Previously the term of the contract ended on December 31, 2025 , whereas the agreement signed on October 31, 2023, updated the termination date to December 31, 2023 . There was no cash flow associated with this legacy contract. The effect of this change was to accelerate $ 67.8 million of deferred revenue into the first quarter of fiscal year 2024. We provided services to a separate customer, who in turn provided services to our legacy customer. Our customer terminated services on October 31, 2023. There was no cash flow associated with this contract. The effect of this termination was to accelerate $ 9.9 million of deferred revenue into the first quarter of fiscal year 2024.

Earnings Per Share

Earnings Per Share	12 Months Ended
	Sep. 30, 2024
Earnings Per Share [Abstract]
Earnings Per Share	4. Earnings Per Share Basic earnings per share is computed by dividing net loss by the weighted-average number of shares of common stock outstanding during the period. Diluted earnings per share is computed by dividing net loss by the weighted-average number of shares of common stock outstanding during the period, increased to include the number of shares of common stock that would have been outstanding had potential dilutive shares of common stock been issued. The dilutive effect of restricted stock units is reflected in diluted net loss per share by applying the treasury stock method. The dilutive effect of the Notes (as defined in Note 17) is reflected in net loss per share by application of the “if-converted” method. The “if-converted” method is only assumed in periods where such application would be dilutive. In applying the “if-converted” method for diluted net loss per share, we would assume conversion of the Notes at the respective conversion ratio as further described in Note 17. Assumed converted shares of our common stock are weighted for the period the Notes were outstanding. T he following table presents the reconciliation of the numerator and denominator for calculating net loss per share: September 30, in thousands, except per share data 2024 2023 2022 Numerator: Net loss $ ( 588,078 ) $ ( 56,254 ) $ ( 310,826 ) Denominator: Weighted average common shares outstanding - basic and diluted 41,642 40,215 39,187 Net loss per common share: Basic $ ( 14.12 ) $ ( 1.40 ) $ ( 7.93 ) Diluted $ ( 14.12 ) $ ( 1.40 ) $ ( 7.93 ) We exclude weighted-average potentially issuable shares from the calculations of diluted net loss per share during the applicable periods because their inclusion would have been anti-dilutive. The following table sets forth potential shares that were considered anti-dilutive for the fiscal years ended September 30, 2024, 2023 and 2022: Year Ended September 30, in thousands 2024 2023 2022 Restricted stock awards - 273 227 Contingently issuable stock awards 232 150 8 Conversion option of our Notes 7,495 5,402 4,677

Fair Value Measurements

Fair Value Measurements	12 Months Ended
	Sep. 30, 2024
Fair Value Disclosures [Abstract]
Fair Value Measurements	5. Fair Value Measurements Fair value is defined as the price that would be received to sell an asset or paid to transfer a liability in an orderly transaction between market participants at the measurement date. Valuation techniques must maximize the use of observable inputs and minimize the use of unobservable inputs. When determining fair value measurements for assets and liabilities recorded at fair value, we consider the principal or most advantageous market in which we would transact and consider assumptions that market participants would use in pricing the asset or liability. The classification of a financial asset or liability within the hierarchy is based upon the lowest level input that is significant to the fair value measurement as of the measurement date as follows: • Level 1 - Inputs are unadjusted quoted prices in active markets for identical assets or liabilities. • Level 2 - Inputs are quoted prices for similar assets and liabilities in active markets or inputs that are observable for the asset or liability, either directly or indirectly through market corroboration, for substantially the full term of the assets or liabilities. • Level 3 - Unobservable inputs that are supported by little or no market activity. The following table presents information about our financial assets that are measured at fair value and indicates the fair value hierarchy of the valuation inputs used (dollars in thousands) as of: September 30, 2024 Fair Value Cash and Cash Equivalents Marketable Securities Level 1: Money market funds $ 77,785 at cost (a) $ 77,785 $ 77,785 $ - Level 2: Government securities $ 3,940 at cost (b) 3,950 - 3,950 Time deposits, $ 3,700 at cost (a) 3,700 3,700 - Corporate bonds, $ 4,984 at cost (b) 5,005 - 5,005 Convertible debt, $ 2,000 at cost (c) 3,099 - - Total assets $ 93,539 $ 81,485 $ 8,955 September 30, 2023 Fair Value Cash and Cash Equivalents Marketable Securities Level 1: Money market funds $ 66,349 at cost (a) $ 66,349 $ 66,349 $ - Government securities $ 4,421 at cost (b) 4,375 - 4,375 Level 2: Government securities $ 5,046 at cost (b) 5,000 - 5,000 Time deposits, $ 8,536 at cost (a) 8,536 8,536 - Commercial paper, $ 496 at cost (b) 496 - 496 Corporate bonds, $ 10,073 at cost (b) 9,947 - 9,947 Debt securities, $ 2,000 at cost (c) 2,847 - - Total assets $ 97,550 $ 74,885 $ 19,818 (a) Money market funds and other highly liquid investments with original maturities of 90 days or less are included within Cash and cash equivalents in the Consolidated Balance Sheets. (b) Government securities, commercial paper and corporate bonds with original maturities greater than 90 days are included within Marketable securities in the Consolidated Balance Sheets and classified as current or noncurrent based upon whether the maturity of the financial asset is less than or greater than 12 months. (c) Debt securities are classified as current within the Consolidated Balance Sheet based upon whether the maturity of the financial asset is less than or greater than 12 months. During the second quarter of fiscal year 2023, we obtained debt securities in a privately held company as part of a non-cash transaction. During the fiscal years ended September 30, 2024, 2023, and 2022 , we recorded unrealized gains (losses) related to our marketable securities of $ 0.3 million, $ 0.2 million, and ($ 0.4 ) million, respectively, within Accumulated other comprehensive loss. The carrying amounts of certain financial instruments, including cash held in banks, accounts receivable, and accounts payable, approximate fair value due to their short-term maturities and are excluded from the fair value tables above. Derivative financial instruments are recognized at fair value using quoted forward rates and prices and classified within Level 2 of the fair value hierarchy. See Note 6 – Derivative Financial Instruments for additional details. Long-term debt The estimated fair value of our Long-term debt is determined by Level 2 inputs and is based on observable market data including prices for similar instruments. As of September 30, 2024 and 2023 , the estimated fair value of our Notes was $ 184.8 million and $ 257.4 million, respectively. The Notes are recorded at face value less unamortized debt discount and transaction costs on our Consolidated Balance Sheets. The carrying amount of the Senior Credit Facilities (as defined in Note 17) approximates fair value given the underlying interest rate applied to such amounts outstanding is currently set to the prevailing market rate. Assets and Liabilities Measured at Fair Value on a Non-recurring Basis We measure certain assets at fair value on a non-recurring basis, primarily goodwill, intangible assets, and long-lived assets. These assets were initially measured and recognized at amounts equal to the fair value determined as of the date of acquisition or purchase and are subject to changes in value only for foreign currency translation and impairment. See Note 2 - Summary of Significant Accounting Policies for additional information on impairment assessments and related Level 3 inputs for goodwill, indefinite-lived intangible assets and long-lived assets. Equity securities During the second quarter of fiscal year 2023, we obtained equity securities in a privately held company as part of a non-cash transaction. These equity securities are recognized at fair value and are classified within Level 2 of the fair value hierarchy. We have non-controlling equity investment in privately held companies. We evaluated the equity investments under the voting model and concluded consolidation was not applicable. We accounted for the investments by electing the measurement alternative for investments without readily determinable fair values and for which we do not have the ability to exercise significant influence. The non-marketable equity securities are carried at cost less any impairment, plus or minus adjustments resulting from observable price changes in orderly transactions for the identical or a similar investment of the same issuer, which is recorded within the Consolidated Statements of Operations. Investments without readily determinable fair values were $ 2.6 million as of September 30, 2024 and 2023 , respectively. These investments are included within Other assets on the Consolidated Balance Sheets. Impairment related to investments without readily determinable fair values was $ 0.5 million during the fiscal year ended September 30, 2023. No impairment was recorded for the fiscal years ended September 2024 and 2022.

Derivative Financial Instrument

Derivative Financial Instruments	12 Months Ended
	Sep. 30, 2024
Derivative Instruments and Hedging Activities Disclosure [Abstract]
Derivative Financial Instruments	6. Derivative Financial Instruments We operate internationally and, in the normal course of business, are exposed to fluctuations in foreign currency exchange rates relate d to third-party vendor and intercompany payments for goods and services within our non-U.S. subsidiaries. We use foreign exchange forward contracts that are not designated as hedges to manage currency risk. The contracts can have maturities up to three years . As of September 30, 2024 and 2023 , the total notional amount of forward contracts was $ 59.1 million and $ 98.0 million, respectively. As of September 30, 2024 and 2023 , the weighted-average remaining maturity of these instruments was approximately 9.9 and 11.6 months, respectively. The following table summarizes the fair value and presentation in the Consolidated Balance Sheets for derivative instruments as of September 30, 2024 and 2023 (dollars in thousands): Fair Value Derivatives not designated as hedges Classification September 30, 2024 September 30, 2023 Foreign currency forward contracts Prepaid expenses and other current assets $ 65 $ 477 Foreign currency forward contracts Other assets 68 256 Foreign currency forward contracts Accrued expenses and other current liabilities 691 1,613 Foreign currency forward contracts Other liabilities 163 460 The following tables display a summary of the (loss) income related to foreign currency forward contracts within the Consolidated Statements of Operations for the fiscal years ended September 30, 2024, 2023 and 2022 (dollars in thousand): (Loss) income recognized in earnings Year Ended September 30, Derivatives not designated as hedges Classification 2024 2023 2022 Foreign currency forward contracts Other income (expense), net $ ( 1,062 ) $ ( 2,492 ) $ 860

Goodwill and Intangible Assets

Goodwill and Intangible Assets	12 Months Ended
	Sep. 30, 2024
Goodwill and Intangible Assets Disclosure [Abstract]
Goodwill and Intangible Assets	7. Goodwill and Intangible Assets (a) Goodwill The changes in the carrying amount of goodwill for the fiscal years ended September 30, 2024 and 2023 were as follows (dollars in thousands): Total Balance as of September 30, 2022 $ 890,802 Effect of foreign currency translation 9,540 Balance as of September 30, 2023 900,342 Goodwill impairment ( 609,172 ) Effect of foreign currency translation 5,688 Balance as of September 30, 2024 $ 296,858 (b) Intangible Assets, Net The following tables summarizes the gross carrying amounts and accumulated amortization of intangible assets by major class (dollars in thousands): September 30, 2024 Gross Accumulated Net Weighted Average Customer relationships $ 108,659 $ ( 106,953 ) $ 1,706 0.5 Technology and patents 90,042 ( 90,042 ) - - Total $ 198,701 $ ( 196,995 ) $ 1,706 September 30, 2023 Gross Accumulated Net Weighted Average Customer relationships $ 106,713 $ ( 102,942 ) $ 3,771 1.5 Technology and patents 89,431 ( 89,327 ) 104 0.2 Total $ 196,144 $ ( 192,269 ) $ 3,875 Amortization expense for acquired technology and patents is included in the cost of revenue in the accompanying Consolidated Statements of Operations and amounted to $ 0.1 million, $ 0.4 million, and $ 3.0 million for the fiscal years ended September 30, 2024, 2023, and 2022, respectively. Amortization expense for customer relationships is included in operating expenses and amounted to $ 2.2 million , $ 5.9 million, and $ 11.5 million in the fiscal years ended September 30, 2024, 2023, and 2022 , respectively. Estimated amortization for the remaining life of our intangible assets as of September 30, 2024 , is as follows (dollars in thousands): Year Ending September 30, Cost of Operating Total 2025 — 1,706 1,706 Total $ — $ 1,706 $ 1,706

Property and Equipment, Net

Property and Equipment, Net	12 Months Ended
	Sep. 30, 2024
Property, Plant and Equipment [Abstract]
Property and Equipment, Net	8. Property and Equipment, Net Property and equipment, net consisted of the following (dollars in thousands): Useful Life September 30, (In years) 2024 2023 Machinery and equipment 3 - 5 $ 14,297 $ 12,391 Computers, software and equipment 3 - 5 65,748 62,151 Leasehold improvements 2 - 15 9,457 10,378 Furniture and fixtures 5 - 7 3,646 3,736 Finance leases 3,428 3,427 Construction in progress 1,090 2,296 Subtotal 97,666 94,379 Less: accumulated depreciation ( 67,527 ) ( 60,366 ) Total $ 30,139 $ 34,013 As of September 30, 2024 and 2023, the net book value of capitalized internal-use software costs was $ 16.9 million a nd $ 17.2 million, respectively, which are includ ed within computers, software, and equipment. Depreciation expense for the fiscal years ended September 30, 2024, 2023, and 2022 was $ 8.3 million, $ 9.8 million, and $ 9.4 million, respectively, which included amortization expe nse of $ 2.7 million, $ 4.0 million, and $ 3.7 million, respectively, for internally developed so ftware costs. The following table presents our property and equipment, net by geography at September 30, 2024 and 2023 (dollars in thousands): September 30, 2024 2023 Long-lived assets: United States $ 23,903 $ 26,117 Germany 1,440 1,861 Canada 1,321 1,695 Other countries 3,475 4,340 Total long-lived assets $ 30,139 $ 34,013

Accrued Expenses and Other Curr

Accrued Expenses and Other Current Liabilities	12 Months Ended
	Sep. 30, 2024
Accrued Liabilities and Other Liabilities [Abstract]
Accrued Expenses and Other Current Liabilities	9. Accrued Expenses and Other Current Liabilities Accrued expenses and other current liabilities consisted of the following (dollars in thousands): September 30, 2024 2023 Legal settlement $ 30,000 $ — Compensation 18,755 24,997 Professional fees 4,015 3,386 Sales and other taxes payable 3,668 7,384 Cost of revenue related liabilities 2,864 4,326 Interest payable 1,735 1,781 Other 7,368 6,844 Total $ 68,405 $ 48,718 The $ 30.0 million legal settlement relates to the settlement of the Securities Action (as defined in Note 13). The entire settlement amount is being funded by insurance proceeds for which a receivable has been recorded within Prepaid and other current assets. See Note 13 - Commitment and Contingencies for additional details.

Restructuring and Other Costs,

Restructuring and Other Costs, Net	12 Months Ended
	Sep. 30, 2024
Restructuring and Related Activities [Abstract]
Restructuring and Other Costs, Net	10. Restructuring and Other Costs, Net Restructuring and other costs, net include restructuring expenses as well as other charges that are unusual in nature, are the result of unplanned events, and arise outside of the ordinary course of our business. The following table sets forth the fiscal year ended September 30, activity relating to restructuring charges (dollars in thousands): Personnel Facilities Restructuring Other Total Balance at September 30, 2021 $ 1,620 $ 1,881 $ 3,501 $ 1,534 $ 5,035 Restructuring and other costs, net 1,676 673 2,349 6,616 8,965 Non-cash adjustment — ( 708 ) ( 708 ) ( 4,000 ) ( 4,708 ) Cash payments ( 2,021 ) ( 188 ) ( 2,209 ) ( 1,873 ) ( 4,082 ) Foreign exchange impact on ending balance 2 ( 58 ) ( 56 ) — ( 56 ) Balance at September 30, 2022 1,277 1,600 2,877 2,277 5,154 Restructuring and other costs, net 7,778 460 8,238 3,679 11,917 Non-cash adjustment — ( 486 ) ( 486 ) 3,300 2,814 Cash payments ( 8,498 ) ( 551 ) ( 9,049 ) ( 9,256 ) ( 18,305 ) Foreign exchange impact on ending balance ( 8 ) 10 2 — 2 Balance at September 30, 2023 549 1,033 1,582 — 1,582 Restructuring and other costs, net 13,410 73 13,483 3,594 17,077 Non-cash adjustment — ( 534 ) ( 534 ) ( 300 ) ( 834 ) Cash payments ( 10,231 ) ( 569 ) ( 10,800 ) ( 2,722 ) ( 13,522 ) Foreign exchange impact on ending balance 30 ( 3 ) 27 — 27 Balance at September 30, 2024 $ 3,758 $ — $ 3,758 $ 572 $ 4,330 Fiscal Year 2024 For the fiscal year ended September 30, 2024, we recorded restructuring and other costs, net of $ 17.1 million , which included a $ 13.4 million severance charge related to the elimination of personnel, of which $ 8.1 million related to the Plan, $ 2.8 million of consulting costs relating to our transformation initiatives, and $ 0.8 million of other one-time charges. We are focused on pursuing actions intended to position the Company to deliver on our generative AI and large language model product roadmap and also deliver improved financial results which include process optimization efforts and cost reductions. Fiscal Year 2023 For the fiscal year ended September 30, 2023 , we recorded restructuring and other costs, net of $ 11.9 million, which included a $ 7.8 million severance charge related to the elimination of personnel, $ 3.8 million of third-party fees relating to the modification of the 2025 Notes, and a $ 0.5 million charge resulting from the closure of facilities that will no longer be utilized. Fiscal Year 2022 For the fiscal year ended September 30, 2022 , we recorded restructuring and other costs, net of $ 9.0 million, which included $ 4.0 million, net of $ 5.0 million in forfeitures, in stock-based compensation due to the resignation of our former CEO and the resulting modification of certain stock-based awards, $ 2.6 million other one-time charges, $ 1.7 million severance charge related to the elimination of personnel, and $ 0.7 million charge resulting from the closure of facilities that will no longer be utilized.

Leases

Leases	12 Months Ended
	Sep. 30, 2024
Leases [Abstract]
Leases	11. Leases We have entered into a number of facility and equipment leases which qualify as operating leases under GAAP. We also have a limited number of equipment leases that qualify as finance leases. We determine if contracts with vendors represent a lease or have a lease component under GAAP at contract inception. Our leases have remaining terms ranging from less than one year to six years . Some of our leases include options to extend or terminate the lease prior to the end of the agreed upon lease term. For purposes of calculating lease liabilities, lease terms include options to extend or terminate the lease when it is reasonably certain that we will exercise such options. Operating lease right of use assets and liabilities are recognized based on the present value of the future minimum lease payments over the lease term at the lease commencement date. As our leases generally do not provide an implicit rate, we use an estimated incremental borrowing rate in determining the present value of future payments. The incremental borrowing rate represents an estimate of the interest rate we would incur at lease commencement to borrow an amount equal to the lease payments on a collateralized basis over the term of a lease within a particular location and currency environment. The following table presents certain information related to lease term and incremental borrowing rates for leases as of September 30, 2024 and 2023: September 30, 2024 September 30, 2023 Weighted-average remaining lease term (in months): Operating leases 46.0 37.2 Finance leases 13.4 24.5 Weighted-average discount rate: Operating leases 6.6 % 5.3 % Finance leases 4.4 % 4.4 % The following table presents the lease-related assets and liabilities reported in the Consolidated Balance Sheets as of September 30, 2024 and 2023 (dollars in thousands): Classification September 30, 2024 September 30, 2023 Assets Operating lease assets Operating lease right of use assets $ 12,879 $ 11,961 Finance lease assets Property and equipment, net 410 825 Total lease assets $ 13,289 $ 12,786 Liabilities Current Operating Short-term operating lease liabilities $ 4,528 $ 5,434 Finance Accrued expenses and other current liabilities 394 437 Noncurrent Operating Long-term operating lease liabilities $ 8,803 $ 7,947 Finance Other liabilities 53 408 Total lease liability $ 13,778 $ 14,226 The following table presents lease expense for the fiscal years ended September 30, 2024, 2023 and 2022 (dollars in thousands): Year Ended September 30, 2024 2023 2022 Finance lease costs: Amortization of right of use asset $ 415 $ 432 $ 435 Interest on lease liability 22 37 50 Operating lease cost 6,226 6,489 6,788 Variable lease cost 2,550 3,120 3,492 Sublease income ( 216 ) ( 195 ) ( 187 ) Total lease cost $ 8,997 $ 9,883 $ 10,578 For the fiscal years ended September 30, 2024, 2023 and 2022 cash payments related to operating leases were $ 6.6 million, $ 6.6 million and $ 6.7 million, respectively. For the fiscal years ended September 30, 2024, 2023 and 2022 , cash payments related to financing leases were $ 0.4 million, $ 0.4 million and $ 0.5 million, respectively, of which an immaterial amount related to the interest portion of the lease liability. For th e fiscal years ended September 30, 2024, 2023 and 2022 right of use assets obtained in exchange for lease obligation s were $ 5.8 million, $ 2.9 million and $ 7.5 million, respectively. The table below reconciles the undiscounted future minimum lease payments under non-cancelable leases to the total lease liabilities recognized on the Consolidated Balance Sheet as of September 30, 2024 (dollars in thousands): Year Ending September 30, Operating Leases Financing Leases Total 2025 5,282 401 5,683 2026 3,222 53 3,275 2027 2,809 — 2,809 2028 2,146 — 2,146 2029 1,389 — 1,389 Thereafter 429 — 429 Total future minimum lease payments $ 15,277 $ 454 $ 15,731 Less effects of discounting ( 1,946 ) ( 7 ) ( 1,953 ) Total lease liabilities $ 13,331 $ 447 $ 13,778 Reported as of September 30, 2024 Short-term lease liabilities $ 4,528 $ 394 $ 4,922 Long-term lease liabilities 8,803 53 8,856 Total lease liabilities $ 13,331 $ 447 $ 13,778

Stockholders' Equity

Stockholders' Equity	12 Months Ended
	Sep. 30, 2024
Equity [Abstract]
Stockholders' Equity	12. Stockholders’ Equity Share-based Compensation Plans Per the Amended and Restated Certificate of Incorporation, which was adopted on October 1, 2019, 600,000,000 shares of capital stock have been authorized, consisting of 40,000,000 shares of Preferred Stock, par value $ 0.01 per share, or (“Preferred Stock”), and 560,000,000 shares of Common Stock, par value $ 0.01 per share (“Common Stock”). On October 2, 2019, we registered the issuance of 6,350,000 shares of Common Stock, consisting of 5,300,000 shares of Common Stock reserved under the Cerence 2019 Equity Incentive Plan, (“Equity Incentive Plan”), and 1,050,000 shares of Common Stock that are reserved for issuance under the Cerence 2019 Employee Stock Purchase Plan (“ESPP”). The Equity Incentive Plan provides for the grant of incentive stock options, stock awards, stock units, stock appreciation rights, and certain other stock-based awards. The shares available for issuance will automatically increase on January 1st of each year, by the lesser of (A) three percent ( 3 %) of the number of shares of Common Stock outstanding as of the close of business on the immediately preceding December 31st; and (B) the number of shares of Common Stock determined by the Board on or prior to such date for such year. Awards issued under the Plan may not have a term greater than ten years from the date of grant. On March 4, 2024, we registered the issuance of 600,000 shares of Common Stock, reserved for issuance under the Cerence Inc. 2024 Inducement Plan. On October 6, 2024, we adopted Amendment No. 1 to the Cerence Inc. 2024 Inducement Plan, which increased the number of authorized shares of our Common Stock available for issuance under the 2024 Inducement Plan from 600,000 to 3,000,000 . Restricted Awards The fair value of Restricted Awards, including Restricted Stock Units and Restricted Stock, is measured based upon the market price of the underlying common stock as of the date of grant. Restricted Awards generally vest over a period of two to four years . We also include certain Restricted Awards with vesting solely dependent on the achievement of specified performance targets. The fair value of Restricted Awards is amortized to expense over the awards applicable requisite service period. In the event that the employees’ employment with us terminates, or in the case of awards with only performance targets, if those targets are not met, any unvested shares are forfeited. In fiscal years ended September 30, 2024, 2023 and 2022, we withheld payroll taxes totaling $ 9.9 million , $ 4.9 million and $ 49.0 million, respectively, related to the vesting of Restricted Awards. Restricted Units are not included in issued and outstanding common stock until the shares are vested and released. The table below summarizes activity related to Restricted Stock Units: Non-Vested Restricted Stock Units Time-Based Performance- Total Shares Weighted- Weighted- Aggregate Non-vested at September 30, 2023 2,372,145 1,145,550 3,517,695 $ 32.52 Granted 2,289,140 454,718 2,743,858 $ 17.10 Vested ( 1,266,750 ) ( 63,998 ) ( 1,330,748 ) $ 35.89 Forfeited ( 807,149 ) ( 416,833 ) ( 1,223,982 ) $ 26.14 Non-vested at September 30, 2024 2,587,386 1,119,437 3,706,823 $ 23.51 Expected to vest 3,706,823 $ 23.51 0.87 $ 11,639 Employee Stock Purchase Plan On October 2, 2019, we adopted the ESPP and approved 1,050,000 shares for issuance under this plan. The ESPP is administered by our Board of Directors’ Compensation Committee. The ESPP provides for the issuance of shares of our common stock to participating employees. At the end of each designated offering period, which occurs every six months on February 15 and August 15, employees can elect to purchase shares of our common stock with contributions of up to 12 % of their base pay, accumulated via payroll deductions, at an amount equal to 85 % of the lower of our stock price on (i) the first day of the offering period, or (ii) the last day of the offering period. We use the Black-Scholes option pricing model to calculate the fair value of shares issued under the ESPP. The Black-Scholes model relies on a number of key assumptions to calculate estimated fair values. Expected volatility is based on the historical volatility of our common stock, and the expected term represents the period of time the ESPP purchase rights are expected to be outstanding and approximates the offering period. The risk-free interest rate is based on yields on U.S. Treasury Securities with a maturity similar to the estimated expected term of the ESPP purchase rights. We assume no expected dividends. The following table sets forth the weighted-average key assumptions and fair value results for shares issued under the ESPP during the fiscal years ended September 30, 2024, 2023 and 2022: Year Ended September 30, 2024 2023 2022 Expected dividend yield 0.00 % 0.00 % 0.00 % Risk-free interest rate 5.33 % 3.95 % 0.41 % Expected volatility 50.45 % 65.71 % 69.58 % Expected life (in years) 0.50 0.50 0.50 Weighted-average fair value of shares issued (per share) $ 6.69 $ 9.73 $ 27.54 The following table sets forth the quantities and average prices of shares issued under the ESPP for the fiscal years ended September 30, 2024, 2023 and 2022: Year Ended September 30, 2024 2023 2022 Shares issued under the ESPP 171,753 88,625 80,417 Average price of shares issued $ 7.93 $ 20.58 $ 28.18 Stock-based Compensation During the fiscal years ended September 30, 2024, 2023 and 2022, we recognize stock-based compensation expenses over the requisite service periods. Our share-based awards are classified within equity. Stock-based compensation for the anticipated Restricted Awards has been adjusted to reflect our estimated achievement under the modified targets and is recorded prospectively over the requisite service period. The amounts included in the Consolidated Statements of Operations related to stock-based compensation are as follows (dollars in thousands): Year Ended September 30, 2024 2023 2022 Cost of connected services $ 288 $ 445 $ 499 Cost of professional services 2,345 3,258 3,267 Research and development 10,449 17,167 10,196 Sales and marketing 2,199 3,454 3,569 General and administrative 8,392 16,442 6,545 Restructuring and other costs, net — — 4,000 Total $ 23,673 $ 40,766 $ 28,076 During the fiscal year ended September 30, 2022, we recorded $ 4.0 million, net of $ 5.0 million in forfeitures, in stock-based compensation due to the resignation of our former CEO and the resulting modification of certain stock-based awards in Restructuring and other costs, net. We recorded $ 2.4 million, net of $ 0.2 million in forfeitures, in stock-based compensation due to the retirement of our former CFO and resignation of our former General Counsel and the resulting modification of certain stock-based awards.

Commitments and Contingencies

Commitments and Contingencies	12 Months Ended
	Sep. 30, 2024
Commitments and Contingencies Disclosure [Abstract]
Commitments and Contingencies	13. Commitments and Contingencies Litigation and Other Claims Similar to many companies in the software industry, we are involved in a variety of claims, demands, suits, investigations and proceedings that arise from time to time relating to matters incidental to the ordinary course of our business, including at times actions with respect to contracts, intellectual property, employment, benefits and securities matters. At each balance sheet date, we evaluate contingent liabilities associated with these matters in accordance with ASC 450 “Contingencies.” If the potential loss from any claim or legal proceeding is considered probable and the amount can be reasonably estimated, we accrue a liability for the estimated loss. Significant judgments are required for the determination of probability and the range of the outcomes, and estimates are based only on the best information available at the time. Due to the inherent uncertainties involved in claims and legal proceedings and in estimating losses that may arise, actual outcomes may differ from our estimates. Contingencies deemed not probable or for which losses were not estimable in one period may become probable, or losses may become estimable in later periods, which may have a material impact on our results of operations and financial position. As of September 30, 2024, accrued losses were not material to our consolidated financial statements, and we do not expect any pending matter to have a material impact on our consolidated financial statements. City of Miami Fire Fighters’ and Police Officers’ Retirement Trust Action On February 25, 2022, a purported shareholder class action captioned as City Of Miami Fire Fighters’ and Police Officers’ Retirement Trust v. Cerence Inc., et al. (the “Securities Action”) was filed in the United States District Court for the District of Massachusetts, naming the Company and two of its former officers as defendants. Following the court’s selection of a lead plaintiff and lead counsel, an amended complaint was filed on July 26, 2022. The plaintiff claims to be suing on behalf of anyone who purchased the Company’s common stock between November 16, 2020 and February 4, 2022. The lawsuit alleges that material misrepresentations and/or omissions of material fact regarding the Company’s operations, financial performance and prospects were made in the Company’s public disclosures during the period from November 16, 2020 to February 4, 2022, in violation of Sections 10(b) and 20(a) of the Securities Exchange Act of 1934, as amended, and Rule 10b-5 promulgated thereunder. The plaintiff seeks unspecified monetary damages on behalf of the putative class and an award of costs and expenses, including attorney’s fees. On September 9, 2022, the defendants in the Securities Action moved to dismiss the action in its entirety. On March 25, 2024, the court granted in part and denied in part the motion to dismiss, dismissing certain of the alleged misrepresentations and omissions while allowing claims challenging certain other alleged misrepresentations and omissions to proceed. On April 15, 2024, the defendants filed their answer to the amended compl aint. On August 14, 2024, the parties conducted a mediation and thereafter the parties agreed to settle the matter for $ 30.0 million, subject to court approval. On September 18, 2024, the Court granted preliminary approval of the settlement and scheduled a final settlement approval hearing on December 16, 2024. The entire settlement amount is being funded by insurance proceeds. As of September 30, 2024, we have recorded a $ 30.0 million receivable related to the insurance proceeds within Prepaid and other current assets and a $ 30.0 million liability related to the settlement within Accrued expenses and other current liabilities. Derivative Actions On May 10 and 12, 2022, respectively, plaintiffs William Shafer and Peter Morse filed shareholder derivative complaints in the United States District Court for the District of Massachusetts on behalf of Cerence Inc. against defendants (and former officers) Sanjay Dwahan and Mark J. Gallenberger as well as board members Arun Sarin, Thomas Beaudoin, Marianne Budnik, Sanjay Jha, Kristi Ann Matus, Alfred Nietzel and former CEO and board member Stefan Ortmanns. These actions are premised on factual contentions substantially similar to those made in the Securities Action and contain substantially similar legal contentions. As such, on June 13, 2022, at the parties’ request, the court consolidated these derivative actions into a single action and appointed co-lead counsel for plaintiffs in that consolidated action. On May 24, 2024, defendants filed a motion to dismiss under the forum selection clause in the Company’s charter, and on June 7, 2024, plaintiffs opposed the motion to dismiss. The parties are awaiting the court’s decision on the motion to dismiss. Three shareholder derivative complaints making factual and legal contentions substantially similar to those raised in the consolidated federal derivative action have been also filed in the Delaware Court of Chancery: the first filed on October 19, 2022 by plaintiff Melinda Hipp against the defendants named in the consolidated federal derivative action and board member Douglas Davis, the second filed on August 17, 2023 by plaintiff Catherine Fleming against the defendants named in the consolidated federal derivative action, and the third filed on July 10, 2024 by plaintiff Alberto Goncalves against the defendants named in the consolidated federal derivative action. On October 20, 2023, Ms. Hipp voluntarily dismissed her action with prejudice. On June 26, 2024, the court stayed the Fleming action pending the outcome of mediation. On August 12, 2024, the court stayed the Goncalves action pending the outcome of mediation. Given the uncertainty of litigation, the preliminary stage of the cases, and the legal standards that must be met for, among other things, derivative standing and success on the merits, we cannot estimate the reasonably possible loss or range of loss that may result from these derivative actions. A.P., a minor, by and through her guardian, Carlos Pena and Carlos Pena Action On March 24, 2023 , plaintiffs A.P., a minor, by and through her guardian, Carlos Pena, and Carlos Pena, each individually and on behalf of similarly situated individuals filed a purported class action lawsuit in the Circuit Court of Cook County, Illinois, Chancery Division (Case. No. 2023CH02866 (Cir. Ct. Cook Cnty. 2023)). The case was removed to Federal Court (Case No. 1:23CV2667 (N.D. Ill.)), and then severed and remanded back in part, so there are two pending cases. Plaintiffs subsequently amended the federal complaint twice, with the latest second amended complaint, filed on July 13, 2023, adding plaintiffs Randolph Freshour and Vincenzo Allan, each also filing individually and on behalf of similarly situated individuals. Plaintiffs allege that Cerence violated the Illinois Biometric Information Privacy Act (“BIPA”), 740 ILCS 14/1 et seq. through Cerence’s Drive Platform technology, which is integrated in various automobiles. The named plaintiffs allegedly drove or rode in a vehicle with Cerence’s Drive Platform technology. Across both cases, plaintiffs allege that Cerence violated: (1) BIPA Section 15(a) by possessing biometrics without any public written policy for their retention or destruction; (2) BIPA Section 15(b) by collecting, capturing, or obtaining biometrics without written notice or consent; (3) BIPA Section 15(c) by profiting from biometrics obtained from Plaintiffs and putative class members; and (4) BIPA Section 15(d) by disclosing biometrics to third party companies without consent. Cerence has filed motions to dismiss both cases. On February 27, 2024, the Circuit Court issued an order denying Cerence's motion to dismiss. On April 16, 2024, Cerence filed its answer and affirmative defenses, a motion to certify the Court’s order on Cerence’s motion to dismiss, and a motion to stay. Thereafter, in exchange for Cerence withdrawing its motions to certify and stay, plaintiffs filed amended complaints in both the Circuit Court and Federal Court. Cerence’s answers in the Federal Court and Circuit Court were due on July 15 and July 18, 2024, respectively, which the Company filed on such dates. Plaintiffs are seeking statutory damages of $ 5,000 for each willful and/or reckless violation of BIPA and, alternatively, damages of $ 1,000 for each negligent violation of BIPA. Given the uncertainty of litigation, the preliminary stage of the case, and the legal standards that must be met for, among other things, class certification and success on the merits, we cannot estimate the reasonably possible loss or range of loss that may result from this action. Samsung Electronics Co. Ltd and Samsung Electronics America, Inc. On March 15, 2024, Cerence filed its second patent infringement complaint against Samsung alleging infringement of four Cerence patents. In its responsive pleading on July 10, 2024, Samsung asserted counterclaims, alleging infringement of U.S. Patent Nos. 10,395,657 ; 10,720,162 ; 11,823,682 ; and 9,583,103 against the Cerence Assistant. Samsung seeks damages, including trebled damages, and its costs and fees. Cerence filed its answer denying the allegations and counterclaims of invalidity and noninfringement on September 4, 2024. Trial is scheduled to begin in January 2026. Given the uncertainty of litigation, the preliminary stage of the case, and the legal standards that must be met for, among other things, success on the merits, we cannot estimate the reasonably possible loss or range of loss that may result from this action. Guarantees and Other We include indemnification provisions in the contracts we enter with customers and business partners. Generally, these provisions require us to defend claims arising out of our products’ infringement of third-party intellectual property rights, breach of contractual obligations and/or unlawful or otherwise culpable conduct. The indemnity obligations generally cover damages, costs and attorneys’ fees arising out of such claims. In most, but not all cases, our total liability under such provisions is limited to either the value of the contract or a specified, agreed-upon amount. In some cases, our total liability under such provisions is unlimited. In many, but not all cases, the term of the indemnity provision is perpetual. While the maximum potential amount of future payments we could be required to make under all the indemnification provisions is unlimited, we believe the estimated fair value of these provisions is minimal due to the low frequency with which these provisions have been triggered. We indemnify our directors and officers to the fullest extent permitted by Delaware law, which provides among other things, indemnification to directors and officers for expenses, judgments, fines, penalties and settlement amounts incurred by such persons in their capacity as a director or officer of the Company, regardless of whether the individual is serving in any such capacity at the time the liability or expense is incurred. Additionally, in connection with certain acquisitions, we agreed to indemnify the former officers and members of the boards of directors of those companies, on similar terms as described above, for a period of six years from the acquisition date. In certain cases, we purchase director and officer insurance policies related to these obligations, which fully cover the six-year period. To the extent that we do not purchase a director and officer insurance policy for the full period of any contractual indemnification, and such directors and officers do not have coverage under separate insurance policies, we would be required to pay for costs incurred, if any, as described above. As of September 30, 2024 , our letters of credit in connection with security deposits for facility leases totaled $ 0.6 million in the aggregate. These letters of credit have various terms and expire during fiscal year 2025 and beyond, while some of the letters of credit may automatically renew based on the terms of the underlying agreements.

Pension and Other Post-Retireme

Pension and Other Post-Retirement Benefits	12 Months Ended
	Sep. 30, 2024
Retirement Benefits [Abstract]
Pension and Other Post-Retirement Benefits	14. Pension and Other Post-Retirement Benefits Defined Contribution Plans We have established a retirement savings plan under Section 401(k) of the Internal Revenue Code (the “401(k) Plan”). The 401(k) Plan covers substantially all of our U.S. employees who meet minimum age and service requirements, and allows participants to defer a portion of their annual compensation on a pre-tax basis. We match 50 % of employee contributions up to 6 % of eligible salary. We incurred charges for contributions to these 401(k) defined contribution plans of $ 0.5 million, $ 0.5 million, and $ 0.5 million for the fiscal years ended September 30, 2024, 2023 and 2022, respectively. Defined Benefit Pension Plans We sponsor certain defined benefit pension plans that are offered primarily by our foreign subsidiaries. Many of these plans are required by local regulatory requirements. We may deposit funds for these plans with insurance companies, third party trustees or into government-managed accounts consistent with local regulatory requirements, as applicable. The total defined benefit plan pension expenses incurred for these plans were $ 0.3 million, $ 0.5 million, and $ 0.5 million for the fiscal years ended September 30, 2024, 2023 and 2022, respectively. Our aggregate projected benefit obligation and aggregate net liability for defined benefit plans as of September 30, 2024 was $ 12.2 million and $ 6.2 million, as of September 30, 2023 was $ 11.8 million and $ 5.5 million , and as of September 30, 2022 was $ 10.4 million and $ 4.9 million, respectively. For the fiscal year ended September 30, 2024, we recognized a curtailment and settlement benefit of $ 0.4 million related to restructuring programs. For the fiscal years ended September 30, 2024, 2023 and 2022, charges for contributions to defined benefit pensio n plans were not material to the Consolidated Statements of Operations.

Relationship with Parent and Re

Relationship with Parent and Related Entities	12 Months Ended
	Sep. 30, 2024
Relationship With Parent And Related Entities Disclosure [Abstract]
Relationship with Parent and Related Entities	15. Relationship with Parent and Related Entities In connection with the Spin-Off, we entered into several agreements with Nuance that set forth the principal actions taken or to be taken in connection with the Spin-Off and that govern the relationship of the parties following the Spin-Off, including the following: • Separation and Distribution Agreement : We entered into a Separation and Distribution Agreement with Nuance in advance of the Distribution. The Separation and Distribution Agreement sets forth our agreements with Nuance regarding the principal actions to be taken in connection with the Spin-Off. It also sets forth other agreements that govern aspects of our relationship with Nuance following the Spin-Off. • Tax Matters Agreement : We entered into a Tax Matters Agreement with Nuance that governs the respective rights, responsibilities and obligations of Nuance and us after the Distribution with respect to all tax matters (including tax liabilities, tax attributes, tax returns and tax contests). • Transition Services Agreement: We entered into a Transition Services Agreement pursuant to which Nuance will provide us, and we will provide Nuance, with certain specified services for a limited time to help ensure an orderly transition following the Distribution. • Employee Matters Agreement: We entered into an Employee Matters Agreement with Nuance that addresses employment and employee compensation and benefits matters. The Employee Matters Agreement addresses the allocation and treatment of assets and liabilities relating to employees and compensation and benefit plans and programs in which our employees participated prior to the Spin-Off. • Intellectual Property Agreement: We entered into an Intellectual Property Agreement with Nuance, pursuant to which we granted to Nuance, and Nuance granted to us, perpetual, non-exclusive, royalty-free licenses to certain patents and technology, as well as certain other intellectual property that have historically been shared between us and Nuance. • Transitional Trademark License Agreement: We entered into a Transitional Trademark License Agreement with Nuance, pursuant to which Nuance granted us a non-exclusive, royalty free license to continue using certain of Nuance’s trademarks, trade names and service marks with respect to the “Nuance” and “Dragon” brands in connection with the sale, marketing and other commercialization of our products and services. • OEM and Distribution License Agreements: We entered into four OEM and Distribution License Agreements with Nuance. Under three of the four agreements, Cerence licenses to Nuance designated Cerence technologies for Nuance’s internal use and for distribution to Nuance end-users and resellers. Under the final agreement, Nuance licenses to Cerence designated Nuance technologies for Cerence’s internal use and for distribution to Cerence end-users and resellers. All agreements contain customary commercial terms for arrangements of this nature.

Income Taxes

Income Taxes	12 Months Ended
	Sep. 30, 2024
Income Tax Disclosure [Abstract]
Income Taxes	16. Income Taxes Provision for income taxes The components of loss before income taxes are as follows (dollars in thousands): Year Ended September 30, 2024 2023 2022 Domestic $ ( 524,632 ) $ ( 24,524 ) $ ( 168,452 ) Foreign ( 59,978 ) ( 11,865 ) ( 30,299 ) Loss before income taxes $ ( 584,610 ) $ ( 36,389 ) $ ( 198,751 ) The components of provision for income taxes are as follows (dollars in thousands): Year Ended September 30, 2024 2023 2022 Current: Federal $ ( 561 ) $ 611 $ 12 State 32 38 15 Foreign 8,655 11,619 14,761 Total current $ 8,126 $ 12,268 $ 14,788 Deferred: Federal ( 4,596 ) 7,941 ( 6,823 ) State 219 ( 1,164 ) 218 Foreign ( 281 ) 820 103,892 Total deferred ( 4,658 ) 7,597 97,287 Provision for income taxes $ 3,468 $ 19,865 $ 112,075 Effective income tax rate ( 0.6 )% ( 54.6 )% ( 56.4 )% The provision for income taxes differed from the amount computed by applying the federal statutory rate to our loss before income taxes as follows (dollars in thousands): Year Ended September 30, 2024 2023 2022 Federal tax provision at statutory rate $ ( 122,768 ) $ ( 7,633 ) $ ( 41,738 ) State tax, net of federal benefit 199 ( 890 ) 185 Foreign tax rate and other foreign related tax items 3,230 3,203 920 Uncertain tax positions 1,681 4,202 25 Stock-based compensation 1,953 4,734 ( 15,020 ) Global intangible low-taxed income ( 1,601 ) 7,464 ( 554 ) Goodwill impairment 114,863 — 39,933 Change in valuation allowance ( 1,763 ) 27,101 128,034 Executive compensation 183 991 885 Non-deductible expenditures 835 211 210 R&D credits ( 1,531 ) ( 588 ) ( 805 ) Intangible property transfers — ( 18,930 ) — Capital losses 8,187 — — Provision for income taxes $ 3,468 $ 19,865 $ 112,075 The effective income tax rate is based upon the income for the year, the composition of the income in different countries, and adjustments, if any, for the potential tax consequences, benefits or resolutions of audits or other tax contingencies. Our effective tax rate may be adversely affected by earnings being lower than anticipated in countries where we have lower statutory tax rates and higher than anticipated in countries where we have higher statutory tax rates. Our effective tax rate for the fiscal year 2024 differed from the U.S. federal statutory rate of 21.0 %, primarily due to impairment of book goodwill, the tax impacts of stock-based compensation, U.S. inclusions of foreign taxable income, valuation allowance on foreign loss carryforwards, and our composition of jurisdictional earnings. Our effective tax rate for the fiscal year 2023 differed from the U.S. federal statutory rate of 21.0 %, primarily due to the tax impacts of stock-based compensation, U.S. inclusions of foreign taxable income, valuation allowance on foreign loss carryforwards, and our composition of jurisdictional earnings. The intangible property transfers deferred tax benefit was offset by a change in valuation allowance deferred tax expense. The effective tax rate for the fiscal year 2022 differed from the U.S. federal statutory rate of 21.0 %, primarily due to the establishment of a valuation allowance in a foreign jurisdiction as discussed below, impairment of book goodwill, the tax impacts of stock-based compensation, and our composition of jurisdictional earnings. As of September 30, 2024, we have not provided taxes on undistributed earnings of our foreign subsidiaries, which may be subject to foreign withholding taxes upon repatriation, as we consider these earnings indefinitely reinvested. Our indefinite reinvestment determination is based on the future operational and capital requirements of our domestic and foreign operations. We expect our international cash and cash equivalents and marketable securities will continue to be used for our foreign operations and therefore do not anticipate repatriating these funds. As of September 30, 2024, it is not practical to calculate the unrecognized deferred tax liability on these earnings due to the complexities of the utilization of foreign tax credits and other tax assets. Deferred tax assets (liabilities) consist of the following as of September 30, 2024 and 2023 (dollars in thousands): September 30, 2024 2023 Deferred tax assets: Net operating loss carryforwards $ 40,155 $ 31,026 Capital loss carryforwards — 8,187 Federal credit carryforwards 7,380 4,487 Accrued expenses and other reserves 3,119 4,620 Deferred revenue 37,508 52,513 Acquired intangibles 110,844 104,634 Interest limitations carryforward 9,456 10,997 Operating lease liabilities 3,714 4,493 Depreciation 25,394 13,152 Deferred compensation 1,028 1,851 Pension obligation 462 852 Other 3,873 4,148 Total deferred tax assets $ 242,933 $ 240,960 Valuation allowance for deferred tax assets ( 167,314 ) ( 162,966 ) Deferred tax assets $ 75,619 $ 77,994 Deferred tax liabilities: Depreciation $ ( 5,006 ) $ ( 5,697 ) Acquired intangibles ( 6,889 ) ( 11,707 ) Convertible debt — — Operating lease right of use assets ( 3,557 ) ( 3,896 ) Deferred costs ( 7,691 ) ( 8,489 ) Other ( 1,656 ) ( 2,166 ) Total deferred tax liabilities ( 24,799 ) ( 31,955 ) Net deferred tax assets $ 50,820 $ 46,039 Deferred income taxes arise from temporary differences between the tax and financial statement recognition of revenue and expenses. We regularly assess the need for a valuation allowance against our deferred tax assets. In evaluating whether it is more likely than not that some or all of our deferred tax assets will not be realized, we consider all available positive and negative evidence. During the third quarter of fiscal year 2022, we established a valuation allowance of $ 107.6 million against our deferred tax assets in a foreign jurisdiction, which consists of tax amortizable intellectual property and net operating loss carryforwards. We will continue to maintain a valuation allowance against these deferred tax assets until we believe it is more likely than not that they will be realized. If sufficient positive evidence arises in the future indicating that all or a portion of the deferred tax assets meet the more likely than not standard, the valuation allowance would be reversed accordingly in the period that such determination is made. As of September 30, 2024, we have $ 167.3 million in valuation allowance against our net foreign deferred tax assets. As of September 30, 2023, we have $ 154.8 million and $ 8.2 million against our net foreign and domestic deferred tax assets, respectively. The remaining deferred tax assets after valuation allowances are primarily domestic. Based on the level of historical taxable income and projections for future taxable income over the periods for which these deferred tax assets are deductible, we believe that it is more likely than not that we will realize the benefits of the domestic deductible differences. As of September 30, 2024 , we have immaterial U.S. federal net operating loss (“NOL”) carryforwards, we have state NOL carryforwards of $ 9.8 million, and foreign NOL carryforwards of $ 433.6 million, before uncertain tax positions of $ 270.2 million. As of September 30, 2023 , we have immaterial U.S. federal net operating loss (“NOL”) carryforwards, state NOL carryforwards of $ 8.4 million, and foreign NOL carryforwards of $ 385.8 million, before uncertain tax positions of $ 256.0 million. These carryforwards will expire at various dates beginning in 2026 and extending up to an unlimited period. As of September 30, 2024 and 2023 , unlimited federal NOLs are immaterial and immaterial, respectively, and unlimited Netherlands NOLs are $ 360.7 million and $ 350.5 million, respectively. As of September 30, 2024 , we have U.S. federal research and development carryforwards and foreign tax credit carryforwards of $ 7.0 million, before uncertain tax positions of $ 5.2 million, state research and development credits of $ 0.3 million, and foreign research and development credits of $ 7.2 million. As of September 30, 2023 , we have U.S. federal research and development carryforwards and foreign tax credit carryforwards of $ 7.6 million, before uncertain tax positions of $ 7.4 million, state research and development credits of $ 0.3 million, and foreign research and development credits of $ 5.5 million. These carryforwards will expire at various dates beginning in 2025 and extending up to 2041 . Uncertain Tax Positions ASC 740 prescribes the accounting for uncertainty in income taxes recognized in the financial statements. We regularly assess the outcome of potential examinations in each of the taxing jurisdictions when determining the adequacy of the amount of unrecognized tax benefit recorded. We recognize tax benefits from uncertain tax positions only if it is more likely than not that the tax position will be sustained on examination by the taxing authorities, based on the technical merits of the position. The tax benefits recognized in the financial statements from such positions are then measured based on the largest benefit which is more likely than not to be realized upon ultimate settlement. We recognize interest and penalties related to unrecognized tax positions in our provision for (benefit from) income taxes line of our Consolidated Statements of Operations. The aggregate changes in the balance of our gross unrecognized tax benefits were as follows (dollars in thousands): September 30, 2024 2023 Balance at the beginning of the year $ 85,172 $ 76,590 Beginning balance adjustment 4,018 4,977 Increases related to tax positions taken from prior periods 216 — Decreases related to tax positions taken from prior periods ( 2,272 ) ( 1,476 ) Increases related to tax positions taken during current period 484 5,382 Decreases for tax settlements and lapse in statutes ( 218 ) ( 301 ) Balance at the end of the year $ 87,400 $ 85,172 As of September 30, 2024 and 2023 , beginning balance adjustments include cumulative translation adjustments of $ 4.0 million and $ 5.0 million, respectively. As of September 30, 2024 , $ 87.4 million of the unrecognized tax benefits, if recognized, would impact our effective tax rate. We do not expect a significant change in the amount of unrecognized tax benefits within the next 12 months. We recognized interest related to uncertain tax positions in our provision for (benefit from) income taxes of $ 1.3 million, $ 0.6 million and ($ 0.3 ) million during fiscal years 2024, 2023 and 2022 respectively. We recorded interest of $ 5.6 million and $ 4.2 million as of September 30, 2024 and 2023, respectively. We are subject to U.S. federal income tax, various state and local taxes and international income taxes in numerous jurisdictions. The 2016 through 2023 tax years remain open for all purposes of examination by the IRS and other taxing authorities in material jurisdictions.

Long-Term Debt

Long-Term Debt	12 Months Ended
	Sep. 30, 2024
Debt Disclosure [Abstract]
Long-Term Debt	17. Long-Term Debt Long-term debt consisted of the following (in thousands): September 30, 2024 Description Maturity Date Convertible Debt Coupon Rate Effective Interest Rate Principal Unamortized Discount Deferred Issuance Costs Carrying Value 2025 Modified Notes 6/1/2025 3.00 % 3.70 % $ 87,500 $ - $ ( 406 ) $ 87,094 2025 Modified Notes 7/1/2028 1.50 % 8.55 % 87,500 ( 2,777 ) ( 10,602 ) 74,121 2028 Notes 7/1/2028 1.50 % 1.91 % 122,500 - ( 1,809 ) 120,691 Total debt $ 297,500 $ ( 2,777 ) $ ( 12,817 ) 281,906 Less: current portion of long-term debt ( 87,094 ) Total long-term debt $ 194,812 September 30, 2023 Description Maturity Date Convertible Debt Coupon Rate Effective Interest Rate Principal Unamortized Discount Deferred Issuance Costs Carrying Value 2025 Modified Notes 6/1/2025 3.00 % 3.70 % $ 87,500 $ - $ ( 992 ) $ 86,508 2025 Modified Notes 7/1/2028 1.50 % 8.75 % 87,500 ( 3,796 ) ( 14,490 ) 69,214 2028 Notes 7/1/2028 1.50 % 1.91 % 122,500 - ( 2,271 ) 120,229 Total debt $ 297,500 $ ( 3,796 ) $ ( 17,753 ) 275,951 Less: current portion of long-term debt — Total long-term debt $ 275,951 The following table summarizes the maturities of our borrowing obligations as of September 30, 2024 (in thousands): Fiscal Year 2028 Notes 2025 Modified Notes Total 2025 $ — $ 87,500 $ 87,500 2026 — — — 2027 — — — 2028 122,500 87,500 210,000 2029 — — - Thereafter — — — Total before unamortized discount and issuance costs and current portion $ 122,500 $ 175,000 $ 297,500 Less: unamortized discount and issuance costs ( 1,809 ) ( 13,785 ) ( 15,594 ) Less: current portion of long-term debt — ( 87,094 ) ( 87,094 ) Total long-term debt $ 120,691 $ 74,121 $ 194,812 1.50% Senior Convertible Notes due 2028 On June 26, 2023, we issued $ 190.0 million in aggregate principal amount of 1.50 % Convertible Senior Notes due 2028 (the “2028 Notes”), which are governed by an indenture (the “2028 Indenture”), between us and U.S. Bank Trust Company, National Association, as trustee (the “Trustee”), in a private offering to qualified institutional buyers pursuant to Rule 144A under the Securities Act of 1933, as amended (the “Securities Act”). On July 3, 2023, we issued an additional $ 20.0 million in aggregate principal amount of 2028 Notes. The net proceeds from the issuance of the 2028 Notes were $ 193.2 million after deducting transaction costs. The 2028 Notes are senior, unsecured obligations and accrue interest payable semiannually in arrears on January 1 and July 1 of each year at a rate of 1.50 % per year. The 2028 Notes will mature on July 1, 2028 , unless earlier converted, redeemed, or repurchased. The 2028 Notes are convertible into cash, shares of our common stock or a combination of cash and shares of our common stock, at our election. A holder of 2028 Notes may convert all or any portion of its 2028 Notes at its option at any time prior to the close of business on the business day immediately preceding April 3, 2028 only under the following circumstances: (1) during any fiscal quarter commencing after the fiscal quarter ending on September 30, 2023 (and only during such fiscal quarter), if the last reported sale price of our common stock for at least 20 trading days (whether or not consecutive) during a period of 30 consecutive trading days ending on, and including, the last trading day of the immediately preceding fiscal quarter is greater than or equal to 130 % of the conversion price on each applicable trading day; (2) during the five business day period after any ten consecutive trading day period (the “measurement period”) in which the “trading price” (as defined in the 2028 Indenture) per $ 1,000 principal amount of 2028 Notes for each trading day of the measurement period was less than 98 % of the product of the last reported sale price of our common stock and the conversion rate on each such trading day; (3) if we call such 2028 Notes for redemption, at any time prior to the close of business on the business day immediately preceding the redemption date; or (4) upon the occurrence of specified corporate events. On or after April 3, 2028 until the close of business on the second scheduled trading day immediately preceding the maturity date, a holder may convert all or any portion of its 2028 Notes at any time, regardless of the foregoing circumstances. The conversion rate is 24.5586 shares of our common stock per $ 1,000 principal amount of 2028 Notes (equivalent to an initial conversion price of approximately $ 40.72 per share of our common stock). The conversion rate is subject to adjustment in some events but will not be adjusted for any accrued and unpaid interest. In addition, following certain corporate events that occur prior to the maturity date or if we deliver a notice of redemption, we will, in certain circumstances, increase the conversion rate for a holder who elects to convert its 2028 Notes in connection with such a corporate event or convert its 2028 Notes called for redemption in connection with such notice of redemption, as the case may be. We may not redeem the 2028 Notes prior to July 6, 2026. We may redeem for cash all or any portion of the 2028 Notes (subject to certain limitations), at our option, on a redemption date occurring on or after July 6, 2026 and on or before the 31st scheduled trading day immediately before the maturity date, if the last reported sale price of our common stock has been at least 130 % of the conversion price then in effect for at least 20 trading days (whether or not consecutive), including the trading day immediately preceding the date on which we provide notice of redemption, during any 30 consecutive trading day period ending on, and including, the trading day immediately preceding the date on which we provide notice of redemption at a redemption price equal to 100 % of the principal amount of the notes to be redeemed, plus accrued and unpaid interest to, but excluding, the redemption date. No sinking fund is provided for the 2028 Notes. If we undergo a “fundamental change”, subject to certain conditions, holders may require us to repurchase for cash all or any portion of their 2028 Notes at a fundamental change repurchase price equal to 100 % of the principal amount of the 2028 Notes to be repurchased, plus any accrued and unpaid interest to, but excluding, the fundamental change repurchase date. The 2028 Indenture contains customary terms and covenants, including that upon certain events of default occurring, including related to the Senior Credit Facilities, and continuing, either the Trustee or the holders of not less than 25 % in aggregate principal amount of the 2028 Notes then outstanding may declare the entire principal amount of all the 2028 Notes plus accrued special interest, if any, to be immediately due and payable . In connection with the offering of the 2028 Notes, we repurchased $ 87.5 million in aggregate principal amount of the 2025 Notes in a privately negotiated transaction. We specifically negotiated the repurchase of the 2025 Notes with investors who concurrently purchased the 2028 Notes. We evaluated the transaction to determine whether the exchange should be accounted for as a modification or extinguishment under the provisions of ASC 470-50, which allows for an exchange of debt instruments between the same debtor and creditor to be accounted for as a modification so long as the instruments do not have substantially different terms. Because the concurrent redemption of the 2025 Notes and a portion of issuance of the 2028 Notes were executed with the same investors, we evaluated the transaction as a debt modification, on a creditor by creditor basis. The repurchase of the 2025 Notes and issuance of the 2028 Notes were deemed to not have substantially different terms on the basis that (1) the present value of the cash flows under the terms of the new debt instrument were less than 10 % different from the present value of the remaining cash flows under the terms of the original instrument and (2) the fair value of the conversion feature did not change by more than 10 % of the carrying value of the 2025 Notes, and therefore, the repurchase of the 2025 Notes was accounted for as a debt modification. As a result, $ 87.5 million of the 2028 Notes are considered a modification of the 2025 Notes and are included in the balances of the 2025 Notes along with the remaining $ 87.5 million of the 2025 Notes (together the “2025 Modified Notes” and together with the 2028 Notes, the “Notes”) that were not repurchased as part of the transaction. We recorded $ 14.3 million of fees paid directly to the lenders as deferred debt issuance costs, and $ 3.8 million of fees paid to third-parties were expensed in the period. As of September 30, 2024, the carrying amount of the 2025 Modified Notes was $ 161.2 million, net of unamortized costs of $ 13.8 million. If a convertible debt instrument is modified or exchanged in a transaction that is not accounted for as an extinguishment, an increase in the fair value of the embedded conversion option shall reduce the carrying amount of the debt instrument with a corresponding increase in Additional paid-in capital. We recognized the increase in the fair value of the embedded conversion feature of $ 4.1 million as Additional paid-in capital and an equivalent discount that reduced the carrying value of the 2025 Modified Notes. We accounted for $ 122.5 million of the 2028 Notes that were not negotiated with the investors of the 2025 Notes, as a single liability. We incurred transaction costs of $ 2.4 million relating to the issuance of the 2028 Notes, which were recorded as a direct deduction from the face amount of the 2028 Notes and are being amortized as interest expense over the term of the 2028 Notes using the interest method. As of September 30, 2024, the carrying amount of the 2028 Notes was $ 120.7 million and unamortized issuance costs of $ 1.8 million. As of September 30, 2024, the 2028 Notes were not convertible. As of September 30, 2024 and September 30, 2023, the if-converted value of the 2028 Notes was $ 113.0 million and $ 61.2 million, respectively, less than its principal amount. 3.00% Senior Convertible Notes due 2025 On June 2, 2020, we issued $ 175.0 million in aggregate principal amount of 3.00 % Convertible Senior Notes due 2025 (the “2025 Notes”), including the initial purchasers’ exercise in full of their option to purchase $ 25.0 million principal amount of the 2025 Notes, which are governed by an indenture (the “2025 Indenture”), between us and the Trustee, in a private offering to qualified institutional buyers pursuant to Rule 144A under the Securities Act of 1933, as amended. The net proceeds from the issuance of the 2025 Notes were $ 169.8 million after deducting transaction costs. The 2025 Notes are senior, unsecured obligations and accrue interest payable semiannually in arrears on June 1 and December 1 of each year, at a rate of 3.00 % per year. The 2025 Notes will mature on June 1, 2025 , unless earlier converted, redeemed, or repurchased. The 2025 Notes are convertible into cash, shares of our common stock or a combination of cash and shares of our common stock, at our election. As of September 30, 2024 and 2023, the if-converted value of the 2025 Modified Notes was $ 160.9 million and $ 83.6 million, respectively, less than its principal amount. A holder of 2025 Notes may convert all or any portion of its 2025 Notes at its option at any time prior to the close of business on the business day immediately preceding March 1, 2025 only under the following circumstances: (1) during any fiscal quarter commencing after the fiscal quarter ending on September 30, 2020 (and only during such fiscal quarter), if the last reported sale price of our common stock for at least 20 trading days (whether or not consecutive) during a period of 30 consecutive trading days ending on, and including, the last trading day of the immediately preceding fiscal quarter is greater than or equal to 130 % of the conversion price on each applicable trading day; (2) during the five business day period after any ten consecutive trading day period (the “measurement period”) in which the “trading price” (as defined in the 2025 Indenture) per $ 1,000 principal amount of 2025 Notes for each trading day of the measurement period was less than 98 % of the product of the last reported sale price of our common stock and the conversion rate on each such trading day; (3) if we call such 2025 Notes for redemption, at any time prior to the close of business on the business day immediately preceding the redemption date; or (4) upon the occurrence of specified corporate events. On or after March 1, 2025 until the close of business on the second scheduled trading day immediately preceding the maturity date, a holder may convert all or any portion of its 2025 Notes at any time, regardless of the foregoing circumstances . The conversion rate is 26.7271 shares of our common stock per $ 1,000 principal amount of 2025 Notes (equivalent to an initial conversion price of approximately $ 37.42 per share of our common stock). The conversion rate is subject to adjustment in some events but will not be adjusted for any accrued and unpaid interest. In addition, following certain corporate events that occur prior to the maturity date or if we deliver a notice of redemption, we will, in certain circumstances, increase the conversion rate for a holder who elects to convert its 2025 Notes in connection with such a corporate event or convert its 2025 Notes called for redemption in connection with such notice of redemption, as the case may be. The 2025 Notes did not by their terms permit repayment prior to June 5, 2023. We may redeem for cash all or any portion of the 2025 Notes, at our option, on a redemption date occurring on or after June 5, 2023 and on or before the 31st scheduled trading day immediately before the maturity date, if the last reported sale price of our common stock has been at least 130 % of the conversion price then in effect for at least 20 trading days (whether or not consecutive), including the trading day immediately preceding the date on which we provide notice of redemption, during any 30 consecutive trading day period ending on, and including, the trading day immediately preceding the date on which we provide notice of redemption at a redemption price equal to 100 % of the principal amount of the notes to be redeemed, plus accrued and unpaid interest to, but excluding, the redemption date. No sinking fund is provided for the 2025 Notes . If we undergo a “fundamental change”, subject to certain conditions, holders may require us to repurchase for cash all or any portion of their 2025 Notes at a fundamental change repurchase price equal to 100 % of the principal amount of the 2025 Notes to be repurchased, plus any accrued and unpaid interest to, but excluding, the fundamental change repurchase date. The indenture governing the 2025 Notes contains customary terms and covenants, including that upon certain events of default occurring, including related to the Senior Credit Facilities, and continuing, either the Trustee or the holders of not less than 25 % in aggregate principal amount of the 2025 Notes then outstanding may declare the entire principal amount of all the 2025 Notes plus accrued special interest, if any, to be immediately due and payable. See “1.50% Senior Convertible Notes due 2028” section above for discussion on modification of the 2025 Notes as part of the offering of the 2028 Notes. The interest expense recognized related to the Notes for the fiscal years ended September 30, 2024, 2023 and 2022 was as follows (dollars in thousands): Year Ended 2024 2023 2022 Contractual interest expense $ 5,776 $ 5,383 $ 5,246 Amortization of debt discount 1,019 258 3,755 Amortization of issuance costs 4,936 2,119 944 Total interest expense related to the Notes $ 11,731 $ 7,760 $ 9,945 The conditional conversion feature of the Notes was not triggered during the fiscal year ended September 30, 2024. As of September 30, 2024, the Notes were not convertible. As of the date of this report, no Notes have been converted by the holders. Whether any of the Notes will be converted in future quarters will depend on the satisfaction of one or more of the conversion conditions in the future. If one or more holders elect to convert their Notes at a time when any such Notes are convertible, unless we elect to satisfy our conversion obligation by delivering solely shares of our common stock (other than paying cash in lieu of delivering any fractional shares), we would be required to settle a portion or all of our conversion obligation through the payment of cash, which could adversely affect our liquidity. Senior Credit Facilities On June 12, 2020 (the “Financing Closing Date”), we entered into a Credit Agreement, by and among the Borrower, the lenders and issuing banks party thereto and Wells Fargo Bank, N.A., as administrative agent (the “Credit Agreement”), consisting of a four-year senior secured term loan facility in the aggregate principal amount of $ 125.0 million (the “Term Loan Facility”). The net proceeds from the issuance of the Term Loan Facility were $ 123.0 million. We also entered into a senior secured first-lien revolving credit facility in an aggregate principal amount of $ 50.0 million (the “Revolving Facility” and, together with the Term Loan Facility, the “Senior Credit Facilities”), which may be drawn on in the event that our working capital and other cash needs are not supported by our operating cash flow. In connection with the issuance of the 2028 Notes, in the third quarter of fiscal year 2023, we borrowed $ 24.7 million under our Revolving Facility and paid $ 106.3 million towards our Term Loan Facility. As a result, we recorded $ 104.9 million extinguishment of debt and $ 1.3 million loss on the extinguishment of debt. All principal and interest on the Term Loan Facility have been paid in full. As of September 30, 2024 and September 30, 2023, there w ere no amo unts outstanding under the Revolver Facility. Our obligations under the Credit Agreement are jointly and severally guaranteed by certain of our existing and future direct and indirect wholly owned domestic subsidiaries, subject to certain exceptions customary for financings of this type. All obligations are secured by substantially all of our tangible and intangible personal property and material real property, including a perfected first-priority pledge of all (or, in the case of foreign subsidiaries or subsidiaries (“FSHCO”) that own no material assets other than equity interests in foreign subsidiaries that are “controlled foreign corporations” or other FSHCOs, 65 %) of the equity securities of our subsidiaries held by any loan party, subject to certain customary exceptions and limitations. The Credit Agreement contains certain affirmative and negative covenants customary for financings of this type that, among other things, limit our and our subsidiaries’ ability to incur additional indebtedness or liens, to dispose of assets, to make certain fundamental changes, to designate subsidiaries as unrestricted, to make certain investments, to prepay certain indebtedness and to pay dividends, or to make other distributions or redemptions/repurchases, in respect of our and our subsidiaries’ equity interests. In addition, the Credit Agreement contains financial covenants, each tested quarterly, (1) a net secured leverage ratio of not greater than 3.25 to 1.00; (2) a net total leverage ratio of not greater than 4.25 to 1.00; and (3) minimum liquidity of at least $ 75 million. The Credit Agreement also contains events of default customary for financings of this type, including certain customary change of control events. On December 17, 2020, we entered into Amendment No. 1 to the Credit Agreement. Amendment No. 1 extended the scheduled maturity date of the revolving credit and term facilities from June 12, 2024 to April 1, 2025. Amendment No. 1 revised certain interest rates in the Credit Agreement. Following delivery of a compliance certificate for the first full fiscal quarter after the Amendment No. 1 Effective Date, the applicable margins for the revolving credit and term facilities is subject to a pricing grid based upon the net total leverage ratio as follows (i) if the net total leverage ratio is greater than 3.00 to 1.00, the applicable margin is LIBOR plus 3.00 % or ABR plus 2.00 %; (ii) if the net total leverage ratio is less than or equal to 3.00 to 1.00 but greater than 2.50 to 1.00, the applicable margin is LIBOR plus 2.75 % or ABR plus 1.75 %; (iii) if the net total leverage ratio is less than or equal to 2.50 to 1.00 but greater than 2.00 to 1.00, the applicable margin is LIBOR plus 2.50 % or ABR plus 1.50 %; (iv) if the net total leverage ratio is less than or equal to 2.00 to 1.00 but greater than 1.50 to 1.00, the applicable margin is LIBOR plus 2.25 % or ABR plus 1.25 %; and (v) if the net total leverage ratio is less than or equal to 1.50 to 1.00, the applicable margin is LIBOR plus 2.20 % or ABR plus 1.00 %. As a result of Amendment No 1, the applicable LIBOR floor was reduced from 0.50 % to 0.00 %. In addition, the quarterly commitment fee required to be paid based on the unused portion of the Revolving Facility is subject to a pricing grid based upon the net total leverage ratio as follows (i) if the net total leverage ratio is greater than 3.00 to 1.00, the unused line fee is 0.500 %; (ii) if the net total leverage ratio is less than or equal to 3.00 to 1.00 but greater than 2.50 to 1.00, the unused line fee is 0.450 %; (iii) if the net total leverage ratio is less than or equal to 2.50 to 1.00 but greater than 2.00 to 1.00, the unused line fee is 0.400 %; (iv) if the net total leverage ratio is less than or equal to 2.00 to 1.00 but greater than 1.50 to 1.00, the unused line fee is 0.350 %; and (v) if the net total leverage ratio is less than or equal to 1.50 to 1.00, the unused line fee is 0.300 %. Through the fiscal quarter ending December 31, 2022, we are obligated to make quarterly principal payments in an aggregate amount equal to 1.25 % of the original principal amount of the Term Loan Facility. From the fiscal quarter ending March 31, 2023 and for each fiscal quarter thereafter, we are obligated to make quarterly principal payments in an aggregate amount equal to 2.50 % of the original principal amount of the Term Loan Facility, with the balance payable at the maturity date thereof. Borrowings under the Credit Agreement are prepayable at our option without premium or penalty. We may request, and each lender may agree in its sole discretion, to extend the maturity date of all or a portion of the Senior Credit Facilities subject to certain conditions customary for financings of this type. The Credit Agreement also contains certain mandatory prepayment provisions in the event that we incur certain types of indebtedness or receive net cash proceeds from certain non-ordinary course asset sales or other dispositions of property, in each case subject to terms and conditions customary for financings of this type. On November 22, 2022, we entered into Amendment No. 2 to the Credit Agreement. Amendment No. 2 modified certain financial covenants between the fiscal quarter ended March 31, 2023 to the fiscal quarter ended December 31, 2023. During the covenant adjustment period, each tested quarterly, we are required to maintain (1) a net secured leveraged ratio of not greater than 4.25 to 1.00; (2) minimum liquidity of at least $ 125 million; and (3) aggregate capital expenditures less than $ 7.5 million. The net total leverage ratio will be waived during the covenant adjustment period. At the conclusion of the covenant adjustment period, the original financial covenants will resume. As of September 30, 2024 and 2023, we were in compliance with all Credit Agreement covenants. Amendment No. 2 was accounted for a debt modification, and therefore, $ 0.4 million of the refinancing fees paid directly to the lender were recorded as deferred debt issuance costs, and $ 0.1 million of the refinance fees paid to third parties were expensed in the period. Amendment No. 2 revised certain interest rates in the Credit Agreement. The applicable margins for the revolving credit and term facilities is subject to a pricing grid based upon the net total leverage ratio as follows (i) if the net total leverage ratio is greater than 3.00 to 1.00, the applicable margin is SOFR plus 10 basis point credit spread adjustment plus 3.00 % or ABR plus 2.00 %; (ii) if the net total leverage ratio is less than or equal to 3.00 to 1.00 but greater than 2.50 to 1.00, the applicable margin is SOFR plus 10 basis point credit spread adjustment plus 2.75 % or ABR plus 1.75 %; (iii) if the net total leverage ratio is less than or equal to 2.50 to 1.00 but greater than 2.00 to 1.00, the applicable margin is SOFR plus 10 basis point credit spread adjustment plus 2.50 % or ABR plus 1.50 %; (iv) if the net total leverage ratio is less than or equal to 2.00 to 1.00 but greater than 1.50 to 1.00, the applicable margin is SOFR plus 10 basis point credit spread adjustment plus 2.25 % or ABR plus 1.25 %; and (v) if the net total leverage ratio is less than or equal to 1.50 to 1.00, the applicable margin is SOFR plus 10 basis point credit spread adjustment plus 2.20 % or ABR plus 1.00 %. During the covenant adjustment period, and until the delivery of a compliance certificate for the first full fiscal quarter after the covenant adjustment period, the applicable margin will be SOFR plus 10 basis point credit spread adjustment plus 3.00 % or ABR plus 2.00 %. On April 12, 2024, we entered into Amendment No. 3 to the Credit Agreement. Amendment No. 3 modified certain financial coven ants. Tested quarterly, we will be required to maintain (i) a net secured leveraged ratio of not greater than 3.00 to 1.00; (ii) a minimum level of EBITDA (as defined in the Credit Agreement) of not less than (A) negative $ 5 million for the six month period ending June 30, 2024, (B) $ 7.5 million for the nine month period ending September 30, 2024, (C) $ 20 million for the four consecutive fiscal quarters ending December 31, 2024, (D) $ 30 million for the four consecutive fiscal quarters ending March 31, 2025, (E) $ 35 million for the four consecutive fiscal quarters ending June 30, 2025 and for the four consecutive fiscal quarters ending September 30, 2025, (F) $ 40 million for the four consecutive fiscal quarters ending December 31, 2025, and (G) $ 40 million for the four consecutive fiscal quarters ending March 31, 2026; (iii) minimum liquidity of at least $ 50 million; and (iv) aggregate capital expenditures of not more than $ 10 million. Our ability to comply with such covenants may be affected by our future financial performance as well as events beyond our control, including prevailing economic, financial and industry conditions. Amendment No. 3 revised certain interest rates in the Credit Agreement. The applicable margin is SOFR plus 3.00 % for SOFR loans and the highest of (i) the federal funds effective rate, (ii) the prime rate, and (iii) one-month SOFR plus 1.00 % (the highest of clauses (i) through (iii), the “ABR”) plus 2.00 % for ABR loans. Amendment No. 3 also modified the maturity date for the Revolving Facility. The Revolving Facility matures on April 1, 2026, provided that if on any date during the period commencing on the date which is 91 days prior to the maturity date of our 2025 Notes and any indebtedness incurred to refinance such notes that matures on or prior to July 1, 2026, and ending on July 1, 2026, the maturity date of such Early Maturity Debt has not been extended to a date after July 1, 2026 and we do not hold in a segregated deposit account an amount of cash sufficient to repay and discharge the principal amount of the Early Maturity Debt at maturity, then the Revolving Facility shall mature on the date that is 91 days prior to the maturity date of the Early Maturity Debt. Total interest expense relating to the Senior Credit Facilities for the fiscal year ended September 30, 2024, 2023 and 2022 was $ 0.4 million, $ 6.7 million, $ 4.3 million, respectively, reflecting the coupon and accretion of the discount.

Summary of Significant Accoun_2

Summary of Significant Accounting Policies (Policies)	12 Months Ended
	Sep. 30, 2024
Accounting Policies [Abstract]
Basis of Presentation	(a) Basis of Presentation The accompanying consolidated financial statements of the Company have been prepared in accordance with accounting principles generally accepted in the United States (“GAAP”) and the rules and regulations of the Securities and Exchange Commission (“SEC”). The consolidated financial statements reflect all adjustments considered necessary for a fair presentation of the consolidated results of operations and financial position for the fiscal years presented. All such adjustments are of a normal recurring nature.
Principles of Consolidation	(b) Principles of Consolidation The accompanying consolidated financial statements include the accounts of the Company, as well as those of our wholly owned subsidiaries. All significant intercompany transactions and balances are eliminated in consolidation.
Use of Estimates	(c) Use of Estimates The Consolidated Financial Statements are prepared in accordance with GAAP, which requires management to make estimates and assumptions. These estimates, judgments and assumptions can affect the reported amounts in the financial statements and the footnotes thereto. Actual results could differ materially from these estimates. On an ongoing basis, we evaluate our estimates, assumptions and judgments. Significant estimates inherent to the preparation of financial statements include: revenue recognition; the allowances for credit losses; accounting for deferred costs; accounting for internally developed software; the valuation of goodwill and intangible assets; accounting for stock-based compensation; accounting for income taxes; accounting for leases; accounting for convertible debt; and loss contingencies. We base our estimates on historical experience, market participant fair value considerations, projected future cash flows, and various other factors that are believed to be reasonable under the circumstances. Actual amounts could differ significantly from these estimates.
Revenue Recognition	(d) Revenue Recognition We primarily derive revenue from the following sources: (1) royalty-based software license arrangements, (2) connected services, and (3) professional services. Revenue is reported net of applicable sales and use tax, value-added tax and other transaction taxes imposed on the related transaction including mandatory government charges that are passed through to our customers. We account for a contract when both parties have approved and committed to the contract, the rights of the parties are identified, payment terms are identified, the contract has commercial substance and collectability of consideration is probable. See Note 3 – Revenue Recognition for additional details.
Cash and Cash Equivalents	(e) Cash and Cash Equivalents Cash and cash equivalents include cash on hand and highly liquid investments that are readily convertible to known amounts of cash and have original maturities of three months or less.
Marketable Securities	(f) Marketable Securities Market able securities consist of commercial paper, government securities and corporate bonds. We classify our marketable securities as available-for-sale at the time of purchase and reevaluate such classification as of each balance sheet date. We may sell these securities at any time for use in current operations even if they have not yet reached maturity. We classify our marketable securities as either short-term or long-term based on the nature of each security. We record marketable securities at fair value, with the unrealized gains or losses included within Accumulated other comprehensive loss on the Consolidated Balance Sheets until realized. Interest income earned from our marketable securities is reported within Interest income on the Consolidated Statements of Operations. We evaluate our marketable securities to assess whether those with unrealized loss positions are other than temporarily impaired. We consider impairment to be other than temporary if it is related to deterioration in credit risk or if it is likely we will sell the securities before the recovery of their cost basis. Realized gains and losses and declines in value judged to be other than temporary are determined based on the specific identification method and are reported in Other income (expense), net on the Consolidated Statements of Operations.
Inventory	(g) Inventory Inventory, consisting primarily of finished goods related to our Cerence Link product, is accounted for using the first in, first out method, and is valued at the lower of cost and net realizable value. Inventory is included within Prepaid expenses and other current assets. As of September 30, 2024 and September 30, 2023, inventory was $ 1.0 million and $ 0.5 million, respectively.
Goodwill	(h) Goodwill Go odwill represents the excess of the purchase price in a business combination over the fair value of net assets acquired. Goodwill is not amortized but tested annually for impairment or when indicators of impairment are present. The test for goodwill impairment involves a qualitative assessment of impairment indicators. If indicators are present, a quantitative test of impairment is performed. Goodwill impairment, if any, is determined by comparing the reporting unit’s fair value to its carrying value. An impairment loss is recognized in an amount equal to the excess of the reporting unit’s carrying value over its fair value, up to the amount of goodwill allocated to the reporting unit. Goodwill is tested for impairment annually on July 1, the first day of the fourth quarter of the fiscal year. There is no goodwill impairment for the fiscal year ended September 30, 2023. We believe our Chief Executive Officer (“CEO”) is our chief operating decision maker (“CODM”). Our CEO approves all major decisions, including reorganizations and new business initiatives. Our CODM reviews routine consolidated operating information and makes decisions on the allocation of resources at this level, as such, we have concluded that we have one operating segment. For the purpose of testing goodwill for impairment, all goodwill acquired in a business combination is assigned to one or more reporting units. A reporting unit represents an operating segment or a component within an operating segment for which discrete financial information is available and is regularly reviewed by segment management for performance assessment and resource allocation. Components of similar economic characteristics are aggregated into one reporting unit for the purpose of goodwill impairment assessment. Reporting units are identified annually and re-assessed periodically for recent acquisitions or any changes in segment reporting structure. Upon consideration of our components, we have concluded that our goodwill is associated with one reporting unit. The fair value of a reporting unit is generally determined using a combination of the income approach and the market approach. For the income approach, fair value is determined based on the present value of estimated future after-tax cash flows, discounted at an appropriate risk-adjusted rate. We use our internal forecasts to estimate future after-tax cash flows and estimate the long-term growth rates based on our most recent views of the long-term outlook for each reporting unit. Actual results may differ from those assumed in our forecasts. We derive our discount rates using a capital asset pricing model and analyzing published rates for industries relevant to our reporting units to estimate the weighted average cost of capital. We adjust the discount rates for the risks and uncertainty inherent in the respective businesses and in our internally developed forecasts. For the market approach, we use a valuation technique in which values are derived based on valuation multiples of comparable publicly traded companies. We assess each valuation methodology based upon the relevance and availability of the data at the time we perform the valuation and weight the methodologies appropriately. For the fiscal year ended September 30, 2022, we performed a quantitative impairment test. We concluded indicators of impairment were present due to the current macroeconomic conditions, including continued declines in our stock price. The fair value of our reporting unit was determined using a combination of the income approach and the market approach. For the income approach, fair value was determined based on the present value of estimated future after-tax cash flows using our multi-year target plan, discounted at an appropriate risk-adjusted rate. For the market approach, we used a valuation technique in which values were derived based on valuation multiples of comparable publicly traded companies. Based upon the results of the impairment test, we recorded a goodwill impairment charge of $ 213.7 million within the Consolidated Statement of Operations. At March 31, 2024, we concluded indicators of impairment were present due to the current macroeconomic conditions, including declines in our stock price. The fair value of our reporting unit was determined using a combination of the income approach and the market approach. We weighted the methodologies appropriately to estimate a fair value of approximately $ 463.4 million as of March 31, 2024. The carrying value of our reporting unit exceeded the estimated fair value. Based upon the results of the impairment test, we recorded a goodwill impairment charge of $ 252.1 million during the three months ended March 31, 2024. At June 30, 2024, we concluded indicators of impairment were present due to the current macroeconomic conditions, including declines in our stock price. The fair value of our reporting unit was determined using a combination of the income approach and the market approach. We weighted the methodologies appropriately to estimate a fair value of approximately $ 154.2 million as of June 30, 2024. The carrying value of our reporting unit exceeded the estimated fair value. Based upon the results of the impairment test, we recorded a goodwill impairment charge of $ 357.1 million during the three months ended June 30, 2024. On July 1, 2024, we concluded that a quantitative goodwill impairment test is not necessary as of July 1, 2024, as the June 30, 2024 quantitative analysis is deemed applicable.
Long-Lived Assets with Definite Lives	(i) Long-Lived Assets with Definite Lives Our long-lived assets consist principally of technology and patents, customer relationships, internally developed software, property and equipment. Customer relationships are amortized over their estimated economic lives based on the pattern of economic benefits expected to be generated from the use of the asset. Other definite-lived assets are amortized over their estimated economic lives using the straight-line method. The remaining useful lives of long-lived assets are re-assessed periodically for any events and circumstances that may change the future cash flows expected to be generated from the long-lived asset or asset group. Internally developed software consists of capitalized costs incurred during the application development stage, which include costs to design the software configuration and interfaces, coding, installation and testing. Costs incurred during the preliminary project stage, along with post-implementation stages of internally developed software, are expensed as incurred. Internally developed software costs that have been capitalized are typically amortized over the estimated useful life, commencing with the date when an asset is ready for its intended use. Equipment is stated at cost and depreciated over the estimated useful life. Leasehold improvements are depreciated over the shorter of the related remaining lease term or the estimated useful life. Depreciation is computed using the straight-line method. Repair and maintenance costs are expensed as incurred. The cost and related accumulated depreciation of sold or retired assets are removed from the accounts and any gain or loss is included in the results of operations for the period. Long-lived assets with definite lives are tested for impairment whenever events or changes in circumstances indicate the carrying value of a specific asset or asset group may not be recoverable. We assess the recoverability of long-lived assets with definite lives at the asset group level. Asset groups are determined based upon the lowest level for which identifiable cash flows are largely independent of the cash flows of other assets and liabilities. When the asset group is also a reporting unit, goodwill assigned to the reporting unit is also included in the carrying amount of the asset group. For the purpose of the recoverability test, we compare the total undiscounted future cash flows from the use and disposition of the assets with its net carrying amount. When the carrying value of the asset group exceeds the undiscounted future cash flows, the asset group is deemed to be impaired. The amount of the impairment loss represents the excess of the asset or asset group’s carrying value over its estimated fair value, which is generally determined based upon the present value of estimated future pre-tax cash flows that a market participant would expect from use and disposition of the long-lived asset or asset group. There was no impairment of long-lived assets during the years ended September 30, 2024, 2023, and 2022 .
Allowance for Credit Losses	(j) Allowance for Credit Losses We are exposed to credit losses primarily through our sales of software licenses and services to customers. We determine credit ratings for each customer in our portfolio based upon public information and information obtained directly from our customers. A credit limit for each customer is established and in certain cases we may require collateral or prepayment to mitigate credit risk. Our expected loss methodology is developed using historical collection experience, current customer credit information, current and future economic and market conditions and a review of the current status of the customer's account balances. We monitor our ongoing credit exposure through reviews of customer balances against contract terms and due dates, current economic conditions, and dispute resolution. Estimated credit losses are written off in the period in which the financial asset is no longer collectible. The change in the allowance for credit losses for the fiscal year ended September 30, 2024, 2023, and 2022 is as follows (dollars in thousands): Allowance for Credit Losses Balance as of September 30, 2021 $ 879 Credit loss provision ( 431 ) Write-offs, net of recoveries 18 Foreign exchange impact on ending balance ( 95 ) Balance as of September 30, 2022 $ 371 Credit loss provision 3,626 Foreign exchange impact on ending balance 134 Balance as of September 30, 2023 $ 4,131 Credit loss provision 3,545 Write-offs, net of recoveries ( 6,073 ) Foreign exchange impact on ending balance 11 Balance as of September 30, 2024 $ 1,614
Research and Development	(k) Research and Development Research and development (“R&D”) costs related to software that is or will be sold or licensed externally to third-parties, or for which a substantive plan exists to sell or license such software in the future, incurred subsequent to the establishment of technological feasibility, but prior to the general release of the product, are capitalized and amortized to cost of revenue over the estimated useful life of the related products. We have determined that technological feasibility is reached shortly before the general release of the software products. Costs incurred after technological feasibility is established have not been material. R&D costs are otherwise expensed as incurred.
Income Taxes	(l) Income Taxe s We account for income taxes using the assets and liabilities method, as prescribed by ASC No. 740, Income Taxes , or ASC 740. Deferred Taxes Deferred tax assets and liabilities are recognized for the estimated future tax consequences attributable to differences between the financial statement carrying amount of assets and liabilities and their respective tax bases. The method also requires the recognition of future tax benefits such as net operating loss carryforwards, to the extent that realization of such benefits is more likely than not after consideration of all available evidence. As the income tax returns are not due and filed until after the completion of our annual financial reporting requirements, the amounts recorded for the current period reflect estimates for the tax-based activity for the period. In addition, estimates are often required with respect to, among other things, the appropriate state and foreign income tax rates to use, the potential utilization of operating loss carry-forwards and valuation allowance required, if any, for tax assets that may not be realizable in the future. Tax laws and tax rates vary substantially in these jurisdictions and are subject to change given the political and economic climate. We report and pay income tax based on operational results and applicable law. Our tax provision contemplates tax rates currently enacted to determine both our current and deferred tax positions. Any significant fluctuations in rates or changes in tax laws could cause our estimates of taxes we anticipate either paying or recovering in the future to change. Such changes could lead to either increases or decreases in our effective tax rates. We have historically estimated the future tax consequences of certain items, including accruals that cannot be deducted for income tax purposes until such expenses are paid or the related assets are disposed. We believe the procedures and estimates used in our accounting for income taxes are reasonable and in accordance with established tax law. The income tax estimates used have not resulted in material adjustments to income tax expense in subsequent period when the estimates are adjusted to the actual filed tax return amounts. Deferred tax assets and liabilities are measured using enacted tax rates expected to apply to taxable income in the fiscal years in which those temporary differences are expected to be recovered or settled. With respect to earnings expected to be indefinitely reinvested offshore, we do no t accrue tax for the repatriations of such foreign earnings. Valuation Allowance We regularly review our deferred tax assets for recoverability considering historical profitability, projected future taxable income, the expected timing of the reversals of existing temporary differences and tax planning strategies. In assessing the need for a valuation allowance, we consider both positive and negative evidence related to the likelihood of realization of the deferred tax assets. The weight given to the positive and negative evidence is commensurate with the extent to which the evidence may be objectively verified. If positive evidence regarding projected future taxable income, exclusive of reversing taxable temporary differences, existed it would be difficult for it to outweigh objective negative evidence of recent financial reporting losses. During the third quarter of fiscal year 2022, we established a valuation allowance of $ 107.6 million against our deferred tax assets in a forei gn jurisdiction, which consists of tax amortizable intellectual property and net operating loss carryforwards. We will continue to maintain a valuation allowance against these deferred tax assets until we believe it is more likely than not that they will be realized. If sufficient positive evidence arises in the future indicating that all or a portion of the deferred tax assets meet the more likely than not standard, the valuation allowance would be reversed accordingly in the period that such determination is made. Uncertain Tax Positions We operate in multiple jurisdictions through wholly owned subsidiaries and our global structure is complex. The estimates of our uncertain tax positions involve judgments and assessment of the potential tax implications related to legal entity restructuring, intercompany transfers and acquisitions or divestitures. We recognize tax benefits from uncertain tax positions only if it is more likely than not that the tax position will be sustained on examination by the taxing authorities, based on the technical merits of the position. Our tax positions are subject to audit by taxing authorities across multiple global jurisdictions and the resolution of such audits may span multiple years. Tax laws are complex and often subject to varied interpretations, accordingly, the ultimate outcome with respect to taxes we may owe may differ from the amounts recognized.
Accumulated Other Comprehensive (Loss) Income	(m) Accumulated Other Comprehensive Loss The c omponents of accumulated other comprehensive loss, reflected in the Consolidated Statements of Equity, consists of the following (dollars in thousands): September 30, 2024 2023 Foreign currency translation adjustments $ ( 25,932 ) $ ( 28,275 ) Net unrealized (losses) gains on post-retirement benefits ( 11 ) 528 Net unrealized gains (losses) on available-for-sale securities 31 ( 219 ) Accumulated other comprehensive loss $ ( 25,912 ) $ ( 27,966 ) No income tax provisions or benefits are recorded for foreign currency translation adjustments as the undistributed earnings in our foreig n subsidiaries are expected to be indefinitely reinvested.
Concentration of Risk	(n) Concentration of Risk Financial instruments that potentially subject us to significant concentrations of credit risk primarily consist of trade accounts receivabl e. We perform ongoing credit evaluations of our customers’ financial condition and limit the amount of credit extended when deemed appropriate. One customer accounted for 21.4 % of our Accounts receivable, net balance at September 30, 2024 . Two customers accounted for 10.8 % and 10.1 % of our Accounts receivable, net balance at September 30, 2023 .
Foreign Currency Translation	(o) Foreign Currency Translation The functional currency of a foreign subsidiary is generally the local currency. We translate the financial statements of foreign subsidiaries to U.S. dollars using month-end exchange rates for assets and liabilities, and average rates for the reporting period for revenues, costs, and expenses. We record translation gains and losses in Accumulated other comprehensive loss as a component of stockholders’ equity. We record net foreign exchange transaction gains and losses resulting from the conversion of the transaction currency to the functional currency within Other income (expense), net. Foreign currency transaction (gains) losses for the fiscal years ended September 30, 2024, 2023 and 2022 were ($ 1.8 ) million, $ 2.3 million, and $ 0.1 million, respectively.
Stock-Based Compensation	(p) Stock-Based Compensation Stock-based compensation primarily consists of restricted stock units with service or market/performance conditions. Equity awards are measured at the fair market value of the underlying stock at the grant date. We recognize stock compensation expense using the straight-line attribution method over the requisite service period. We record forfeitures as they occur. For performance-based restricted stock units, the compensation cost is recognized based on the number of units expected to vest upon the achievement of the performance conditions. Shares are issued on the vesting dates net of the applicable statutory tax withholding to be paid by us on behalf of our employees. As a result, fewer shares are issued to the employee than the number of awards outstanding. We record a liability for the tax withholding to be paid by us as a reduction to Additional paid-in capital. We record any income tax effect related to stock-based awards through the Consolidated Statements of Operations. Excess tax benefits are recognized as deferred tax assets upon settlement and are subject to regular review for valuation allowance, when applicable.
Leases	(q) Leases We h ave entered into a number of facility and equipment leases which qualify as operating leases under GAAP. We also have a limited number of equipment leases that qualify as financing leases. We determine if contracts with vendors represent a lease or have a lease component under GAAP at contract inception. Our leases have remaining terms ranging from less than one year to six years . Some of our leases include options to extend or terminate the lease prior to the end of the agreed upon lease term. For purposes of calculating lease liabilities, lease terms include options to extend or terminate the lease when it is reasonably certain that we will exercise such options. Operating lease right of use assets and liabilities are recognized based on the present value of the future minimum lease payments over the lease term at the lease commencement date. As our leases generally do not provide an implicit rate, we use an estimated incremental borrowing rate in determining the present value of future payments. The incremental borrowing rate represents an estimate of the interest rate we would incur at lease commencement to borrow an amount equal to the lease payments on a collateralized basis over the term of a lease within a particular location and currency environment. Operating leases are included in Operating lease right of use assets, Short-term operating lease liabilities, and Long-term operating lease liabilities on our Consolidated Balance Sheets as of September 30, 2024 and 2023. Finance leases are included in Property and equipment, net, Accrued expenses and other current liabilities, and Other liabilities on our Consolidated Balance Sheets as of September 30, 2024 and 2023. Lease costs for minimum lease payments is recognized on a straight-line basis over the lease term. For operating leases, costs are included within Cost of revenues, Research and development, Sales and marketing, and General and administrative lines on the Consolidated Statements of Operations. For financing leases, amortization of the finance right of use assets is included within Research and Development, Sales and marketing, and General and administrative lines on the Consolidated Statements of Operations, and interest expense is included within Interest expense. For operating leases, the related cash payments are included in the operating cash flows on the Consolidated Statements of Cash Flows. For fina ncing leases, the related cash payments for the principal portion of the lease liability are included in the financing cash flows on the Consolidated Statement of Cash Flows and the related cash payments for the interest portion of the lease liability are included within the operating section of the Consolidated Statement of Cash Flows.
Convertible Debt	(r) Convertible Debt We adopted ASU 2020-06 on October 1, 2022. Since the adoption of ASU 2020-06, we record our convertible debt at face value less unamortized issuance costs. Issuance costs are amortized to Interest expense in our Consolidated Statements of Operations using the effective interest method over the expected term of the convertible debt. We assess the short-term and long-term classification of our convertible debt on each balance sheet date. Whenever the holders have a contractual right to convert, the carrying amount of the convertible debt is reclassified to current liabilities. Prior to the adoption of ASU 2020-06: (i) we bifurcate the debt and equity (the contingently convertible feature) components of our converti ble debt instruments in a manner that reflects our nonconvertible debt borrowing rate at the time of issuance; (ii) the equity components of our convertible debt instruments were recorded within stockholders’ equity with an allocated issuance premium or discount; (iii) the debt issuance premium or discount was amortized to Interest expense in our Consolidated Statements of Operations using the effective interest method over the expected term of the convertible debt. We assess the short-term and long-term classification of our convertible debt on each balance sheet date. Whenever the holders have a contractual right to convert, the carrying amount of the convertible debt is reclassified to current liabilities, with the corresponding equity component classified from additional paid-in capital to mezzanine equity, as needed.
Net Loss Per Share	(s) Net Loss Per Share Basic net loss per share is computed using the weighted-average number of common shares outstanding during the period. Diluted net loss per share is computed using the weighted-average number of common shares, giving effect to potentially dilutive securities outstanding during the period. Potentially dilutive securities consist of restricted stock units, contingently issuable shares, and potential issuance of stock upon conversion of our Notes, as more fully described in Note 17. The dilutive effect of the Notes is reflected i n net loss per share by application of the “if-converted” method. The “if-converted” method is only assumed in periods where such application would be dilutive. In applying the “if-converted” method for diluted net loss per share, we would assume conversion of the Notes at the respective ratio as further described in Note 17. Assumed converted shares of our common stock are weighted for the period the Notes were outstanding.
Recently Adopted Accounting Standards	(t) Recently Adopted Accounting Standards Non e.
Issued Accounting Standards Not Yet Adopted	(u) Issued Accounting Standards Not Yet Adopted From time to time, new accounting pronouncements are issued by the FASB and are adopted by us as of the specified effective dates. Unless otherwise discussed, such pronouncements will not have a significant impact on our consolidated financial position, results of operations or cash flows, or do not apply to our operations. In November 2023, the Financial Accounting Standard Board (“FASB”) issued Accounting Standards Update (“ASU”) 2023-07, “Segment Reporting (Topic 280): Improvements to Reportable Segment Disclosures” (“ASU 2023-07”), to expand reportable segment disclosure requirements, primarily through enhanced disclosures about significant segment expenses. The amendments in the ASU require that a public entity disclose, on an annual and interim basis, significant segment expenses that are regularly provided to an entity's chief operating decision maker (“CODM”), a description of other segment items by reportable segment, and any additional measures of a segment's profit or loss used by the CODM when deciding how to allocate resources. ASU 2023-07 applies to entities with a single reportable segment. ASU 2023-07 is effective for fiscal years beginning after December 15, 2023, and for interim periods within fiscal years beginning after December 15, 2024. A public entity should apply ASU 2023-07 retrospectively to all prior periods presented in the financial statements, with early adoption permitted. We are currently in the process of evaluating the effects of this pronouncement on our consolidated financial statements and disclosures. In December 2023, the FASB issued ASU No. 2023-09, “Income Taxes (Topic 740): Improvements to Income Tax Disclosures” (“ASU 2023-0 9”), which requires greater disaggregation of income tax disclosures related to the income tax rate reconciliation and income taxes paid and is effective for fiscal years beginning after December 15, 2024. Early adoption is permitted for annual financial statements that have not yet been issued. The amendments should be applied on a prospective basis although retrospective application is permitted. We are currently in the process of evaluating the effects of this pronouncement on our consolidated financial statements and disclosures.

Summary of Significant Accoun_3

Summary of Significant Accounting Policies (Tables)	12 Months Ended
	Sep. 30, 2024
Accounting Policies [Abstract]
Summary of Change in Allowance for Credit Losses	The change in the allowance for credit losses for the fiscal year ended September 30, 2024, 2023, and 2022 is as follows (dollars in thousands): Allowance for Credit Losses Balance as of September 30, 2021 $ 879 Credit loss provision ( 431 ) Write-offs, net of recoveries 18 Foreign exchange impact on ending balance ( 95 ) Balance as of September 30, 2022 $ 371 Credit loss provision 3,626 Foreign exchange impact on ending balance 134 Balance as of September 30, 2023 $ 4,131 Credit loss provision 3,545 Write-offs, net of recoveries ( 6,073 ) Foreign exchange impact on ending balance 11 Balance as of September 30, 2024 $ 1,614
Components of Accumulated Other Comprehensive Loss	The c omponents of accumulated other comprehensive loss, reflected in the Consolidated Statements of Equity, consists of the following (dollars in thousands): September 30, 2024 2023 Foreign currency translation adjustments $ ( 25,932 ) $ ( 28,275 ) Net unrealized (losses) gains on post-retirement benefits ( 11 ) 528 Net unrealized gains (losses) on available-for-sale securities 31 ( 219 ) Accumulated other comprehensive loss $ ( 25,912 ) $ ( 27,966 )

Revenue Recognition (Tables)

Revenue Recognition (Tables)	12 Months Ended
	Sep. 30, 2024
Revenue from Contract with Customer [Abstract]
Summary of Revenues Classified by Major Geographic Region	Revenues, classif ied by the major geographic region in which our customers are located, for the fiscal years ended September 30, 2024, 2023 and 2022 (dollars in thousands): Year Ended September 30, 2024 2023 2022 Revenues: United States $ 139,441 $ 87,120 $ 100,564 Other Americas 623 244 99 Germany 94,050 87,211 74,550 Other Europe, Middle East and Africa 18,018 15,603 15,579 Japan 42,466 40,122 74,480 Other Asia-Pacific 36,906 64,175 62,619 Total net revenues $ 331,504 $ 294,475 $ 327,891
Summary of Significant Changes in Contract Assets and Deferred Revenue	Contract assets Balance as of September 30, 2022 $ 76,292 Revenues recognized but not billed 43,749 Amounts reclassified to accounts receivable, net ( 65,931 ) Foreign exchange impact on ending balance 2,598 Balance as of September 30, 2023 $ 56,708 Revenues recognized but not billed 33,037 Amounts reclassified to accounts receivable, net ( 63,073 ) Write-off of contract assets ( 5,995 ) Foreign exchange impact on ending balance 1,542 Balance as of September 30, 2024 $ 22,219 Deferred revenue Balance as of September 30, 2022 $ 238,634 Amounts billed but not recognized 79,114 Revenue recognized ( 99,888 ) Foreign exchange impact on ending balance 4,739 Balance as of September 30, 2023 $ 222,599 Amounts billed but not recognized 109,201 Revenue recognized ( 169,970 ) Foreign exchange impact on ending balance 5,346 Balance as of September 30, 2024 $ 167,176
Summary of Estimated Revenue Expected to be Recognized in Future Related to Performance Obligations Unsatisfied or Partially Unsatisfied	The following table includes estimated revenue expected to be recognized in the future related to performance obligations that are unsatisfied or partially unsatisfied at September 30, 2024 (dollars in thousands): Within One Two to Five Greater Total Total revenue $ 81,613 $ 91,134 $ 32,763 $ 205,510

Earnings Per Share (Tables)

Earnings Per Share (Tables)	12 Months Ended
	Sep. 30, 2024
Earnings Per Share [Abstract]
Schedule of Reconciliation of Basic Shares to Diluted Shares	T he following table presents the reconciliation of the numerator and denominator for calculating net loss per share: September 30, in thousands, except per share data 2024 2023 2022 Numerator: Net loss $ ( 588,078 ) $ ( 56,254 ) $ ( 310,826 ) Denominator: Weighted average common shares outstanding - basic and diluted 41,642 40,215 39,187 Net loss per common share: Basic $ ( 14.12 ) $ ( 1.40 ) $ ( 7.93 ) Diluted $ ( 14.12 ) $ ( 1.40 ) $ ( 7.93 )
Schedule of Potential Shares Considered Antidilutive	The following table sets forth potential shares that were considered anti-dilutive for the fiscal years ended September 30, 2024, 2023 and 2022: Year Ended September 30, in thousands 2024 2023 2022 Restricted stock awards - 273 227 Contingently issuable stock awards 232 150 8 Conversion option of our Notes 7,495 5,402 4,677

Fair Value Measurements (Tables

Fair Value Measurements (Tables)	12 Months Ended
	Sep. 30, 2024
Fair Value Disclosures [Abstract]
Summary of Financial Assets that are Measured at Fair Value and Indicates the Fair Value Hierarchy of the Valuation Inputs	The following table presents information about our financial assets that are measured at fair value and indicates the fair value hierarchy of the valuation inputs used (dollars in thousands) as of: September 30, 2024 Fair Value Cash and Cash Equivalents Marketable Securities Level 1: Money market funds $ 77,785 at cost (a) $ 77,785 $ 77,785 $ - Level 2: Government securities $ 3,940 at cost (b) 3,950 - 3,950 Time deposits, $ 3,700 at cost (a) 3,700 3,700 - Corporate bonds, $ 4,984 at cost (b) 5,005 - 5,005 Convertible debt, $ 2,000 at cost (c) 3,099 - - Total assets $ 93,539 $ 81,485 $ 8,955 September 30, 2023 Fair Value Cash and Cash Equivalents Marketable Securities Level 1: Money market funds $ 66,349 at cost (a) $ 66,349 $ 66,349 $ - Government securities $ 4,421 at cost (b) 4,375 - 4,375 Level 2: Government securities $ 5,046 at cost (b) 5,000 - 5,000 Time deposits, $ 8,536 at cost (a) 8,536 8,536 - Commercial paper, $ 496 at cost (b) 496 - 496 Corporate bonds, $ 10,073 at cost (b) 9,947 - 9,947 Debt securities, $ 2,000 at cost (c) 2,847 - - Total assets $ 97,550 $ 74,885 $ 19,818 (a) Money market funds and other highly liquid investments with original maturities of 90 days or less are included within Cash and cash equivalents in the Consolidated Balance Sheets. (b) Government securities, commercial paper and corporate bonds with original maturities greater than 90 days are included within Marketable securities in the Consolidated Balance Sheets and classified as current or noncurrent based upon whether the maturity of the financial asset is less than or greater than 12 months. (c) Debt securities are classified as current within the Consolidated Balance Sheet based upon whether the maturity of the financial asset is less than or greater than 12 months. During the second quarter of fiscal year 2023, we obtained debt securities in a privately held company as part of a non-cash transaction.

Derivative Financial Instrume_2

Derivative Financial Instruments (Tables)	12 Months Ended
	Sep. 30, 2024
Derivative Instruments and Hedging Activities Disclosure [Abstract]
Summary of Fair Value and Presentation in Consolidated Balance Sheet for Derivative Instruments	The following table summarizes the fair value and presentation in the Consolidated Balance Sheets for derivative instruments as of September 30, 2024 and 2023 (dollars in thousands): Fair Value Derivatives not designated as hedges Classification September 30, 2024 September 30, 2023 Foreign currency forward contracts Prepaid expenses and other current assets $ 65 $ 477 Foreign currency forward contracts Other assets 68 256 Foreign currency forward contracts Accrued expenses and other current liabilities 691 1,613 Foreign currency forward contracts Other liabilities 163 460
Summary of (Loss) Income Related to Foreign Currency Forward Contracts	The following tables display a summary of the (loss) income related to foreign currency forward contracts within the Consolidated Statements of Operations for the fiscal years ended September 30, 2024, 2023 and 2022 (dollars in thousand): (Loss) income recognized in earnings Year Ended September 30, Derivatives not designated as hedges Classification 2024 2023 2022 Foreign currency forward contracts Other income (expense), net $ ( 1,062 ) $ ( 2,492 ) $ 860

Goodwill and Intangible Assets

Goodwill and Intangible Assets (Tables)	12 Months Ended
	Sep. 30, 2024
Goodwill and Intangible Assets Disclosure [Abstract]
Changes in Carrying Amount of Goodwill	The changes in the carrying amount of goodwill for the fiscal years ended September 30, 2024 and 2023 were as follows (dollars in thousands): Total Balance as of September 30, 2022 $ 890,802 Effect of foreign currency translation 9,540 Balance as of September 30, 2023 900,342 Goodwill impairment ( 609,172 ) Effect of foreign currency translation 5,688 Balance as of September 30, 2024 $ 296,858
Summary of Gross Carrying Amounts and Accumulated Amortization of Intangible Assets by Major Class	The following tables summarizes the gross carrying amounts and accumulated amortization of intangible assets by major class (dollars in thousands): September 30, 2024 Gross Accumulated Net Weighted Average Customer relationships $ 108,659 $ ( 106,953 ) $ 1,706 0.5 Technology and patents 90,042 ( 90,042 ) - - Total $ 198,701 $ ( 196,995 ) $ 1,706 September 30, 2023 Gross Accumulated Net Weighted Average Customer relationships $ 106,713 $ ( 102,942 ) $ 3,771 1.5 Technology and patents 89,431 ( 89,327 ) 104 0.2 Total $ 196,144 $ ( 192,269 ) $ 3,875
Schedule of Estimated Amortization	Estimated amortization for the remaining life of our intangible assets as of September 30, 2024 , is as follows (dollars in thousands): Year Ending September 30, Cost of Operating Total 2025 — 1,706 1,706 Total $ — $ 1,706 $ 1,706

Property and Equipment, Net (Ta

Property and Equipment, Net (Tables)	12 Months Ended
	Sep. 30, 2024
Property, Plant and Equipment [Abstract]
Components of Property and Equipment,Net	Property and equipment, net consisted of the following (dollars in thousands): Useful Life September 30, (In years) 2024 2023 Machinery and equipment 3 - 5 $ 14,297 $ 12,391 Computers, software and equipment 3 - 5 65,748 62,151 Leasehold improvements 2 - 15 9,457 10,378 Furniture and fixtures 5 - 7 3,646 3,736 Finance leases 3,428 3,427 Construction in progress 1,090 2,296 Subtotal 97,666 94,379 Less: accumulated depreciation ( 67,527 ) ( 60,366 ) Total $ 30,139 $ 34,013
Components of Property and Equipment, Net by Geography	The following table presents our property and equipment, net by geography at September 30, 2024 and 2023 (dollars in thousands): September 30, 2024 2023 Long-lived assets: United States $ 23,903 $ 26,117 Germany 1,440 1,861 Canada 1,321 1,695 Other countries 3,475 4,340 Total long-lived assets $ 30,139 $ 34,013

Accrued Expenses and Other Cu_2

Accrued Expenses and Other Current Liabilities (Tables)	12 Months Ended
	Sep. 30, 2024
Accrued Liabilities and Other Liabilities [Abstract]
Accrued Expenses and Other Current Liabilities	Accrued expenses and other current liabilities consisted of the following (dollars in thousands): September 30, 2024 2023 Legal settlement $ 30,000 $ — Compensation 18,755 24,997 Professional fees 4,015 3,386 Sales and other taxes payable 3,668 7,384 Cost of revenue related liabilities 2,864 4,326 Interest payable 1,735 1,781 Other 7,368 6,844 Total $ 68,405 $ 48,718

Restructuring and Other Costs_2

Restructuring and Other Costs, Net (Tables)	12 Months Ended
	Sep. 30, 2024
Restructuring and Related Activities [Abstract]
Schedule of Accrual Activity Relating to Restructuring Charges	The following table sets forth the fiscal year ended September 30, activity relating to restructuring charges (dollars in thousands): Personnel Facilities Restructuring Other Total Balance at September 30, 2021 $ 1,620 $ 1,881 $ 3,501 $ 1,534 $ 5,035 Restructuring and other costs, net 1,676 673 2,349 6,616 8,965 Non-cash adjustment — ( 708 ) ( 708 ) ( 4,000 ) ( 4,708 ) Cash payments ( 2,021 ) ( 188 ) ( 2,209 ) ( 1,873 ) ( 4,082 ) Foreign exchange impact on ending balance 2 ( 58 ) ( 56 ) — ( 56 ) Balance at September 30, 2022 1,277 1,600 2,877 2,277 5,154 Restructuring and other costs, net 7,778 460 8,238 3,679 11,917 Non-cash adjustment — ( 486 ) ( 486 ) 3,300 2,814 Cash payments ( 8,498 ) ( 551 ) ( 9,049 ) ( 9,256 ) ( 18,305 ) Foreign exchange impact on ending balance ( 8 ) 10 2 — 2 Balance at September 30, 2023 549 1,033 1,582 — 1,582 Restructuring and other costs, net 13,410 73 13,483 3,594 17,077 Non-cash adjustment — ( 534 ) ( 534 ) ( 300 ) ( 834 ) Cash payments ( 10,231 ) ( 569 ) ( 10,800 ) ( 2,722 ) ( 13,522 ) Foreign exchange impact on ending balance 30 ( 3 ) 27 — 27 Balance at September 30, 2024 $ 3,758 $ — $ 3,758 $ 572 $ 4,330

Leases (Tables)

Leases (Tables)	12 Months Ended
	Sep. 30, 2024
Leases [Abstract]
Summary of Lease Term and Incremental Borrowing Rates for Leases	The following table presents certain information related to lease term and incremental borrowing rates for leases as of September 30, 2024 and 2023: September 30, 2024 September 30, 2023 Weighted-average remaining lease term (in months): Operating leases 46.0 37.2 Finance leases 13.4 24.5 Weighted-average discount rate: Operating leases 6.6 % 5.3 % Finance leases 4.4 % 4.4 %
Summary of lease-related Assets and Liabilities Reported in the Consolidated Balance Sheets	The following table presents the lease-related assets and liabilities reported in the Consolidated Balance Sheets as of September 30, 2024 and 2023 (dollars in thousands): Classification September 30, 2024 September 30, 2023 Assets Operating lease assets Operating lease right of use assets $ 12,879 $ 11,961 Finance lease assets Property and equipment, net 410 825 Total lease assets $ 13,289 $ 12,786 Liabilities Current Operating Short-term operating lease liabilities $ 4,528 $ 5,434 Finance Accrued expenses and other current liabilities 394 437 Noncurrent Operating Long-term operating lease liabilities $ 8,803 $ 7,947 Finance Other liabilities 53 408 Total lease liability $ 13,778 $ 14,226
Summary of Lease Expense	The following table presents lease expense for the fiscal years ended September 30, 2024, 2023 and 2022 (dollars in thousands): Year Ended September 30, 2024 2023 2022 Finance lease costs: Amortization of right of use asset $ 415 $ 432 $ 435 Interest on lease liability 22 37 50 Operating lease cost 6,226 6,489 6,788 Variable lease cost 2,550 3,120 3,492 Sublease income ( 216 ) ( 195 ) ( 187 ) Total lease cost $ 8,997 $ 9,883 $ 10,578
Summary of Undiscounted Future Minimum Lease Payments Under Non-cancelable Leases	The table below reconciles the undiscounted future minimum lease payments under non-cancelable leases to the total lease liabilities recognized on the Consolidated Balance Sheet as of September 30, 2024 (dollars in thousands): Year Ending September 30, Operating Leases Financing Leases Total 2025 5,282 401 5,683 2026 3,222 53 3,275 2027 2,809 — 2,809 2028 2,146 — 2,146 2029 1,389 — 1,389 Thereafter 429 — 429 Total future minimum lease payments $ 15,277 $ 454 $ 15,731 Less effects of discounting ( 1,946 ) ( 7 ) ( 1,953 ) Total lease liabilities $ 13,331 $ 447 $ 13,778 Reported as of September 30, 2024 Short-term lease liabilities $ 4,528 $ 394 $ 4,922 Long-term lease liabilities 8,803 53 8,856 Total lease liabilities $ 13,331 $ 447 $ 13,778

Stockholders' Equity (Tables)

Stockholders' Equity (Tables)	12 Months Ended
	Sep. 30, 2024
Equity [Abstract]
Schedule of Non-vested Restricted Stock Units	Restricted Units are not included in issued and outstanding common stock until the shares are vested and released. The table below summarizes activity related to Restricted Stock Units: Non-Vested Restricted Stock Units Time-Based Performance- Total Shares Weighted- Weighted- Aggregate Non-vested at September 30, 2023 2,372,145 1,145,550 3,517,695 $ 32.52 Granted 2,289,140 454,718 2,743,858 $ 17.10 Vested ( 1,266,750 ) ( 63,998 ) ( 1,330,748 ) $ 35.89 Forfeited ( 807,149 ) ( 416,833 ) ( 1,223,982 ) $ 26.14 Non-vested at September 30, 2024 2,587,386 1,119,437 3,706,823 $ 23.51 Expected to vest 3,706,823 $ 23.51 0.87 $ 11,639
Weighted-Average Key Assumptions and Fair Value Results for Shares Issued under ESPP	We use the Black-Scholes option pricing model to calculate the fair value of shares issued under the ESPP. The Black-Scholes model relies on a number of key assumptions to calculate estimated fair values. Expected volatility is based on the historical volatility of our common stock, and the expected term represents the period of time the ESPP purchase rights are expected to be outstanding and approximates the offering period. The risk-free interest rate is based on yields on U.S. Treasury Securities with a maturity similar to the estimated expected term of the ESPP purchase rights. We assume no expected dividends. The following table sets forth the weighted-average key assumptions and fair value results for shares issued under the ESPP during the fiscal years ended September 30, 2024, 2023 and 2022: Year Ended September 30, 2024 2023 2022 Expected dividend yield 0.00 % 0.00 % 0.00 % Risk-free interest rate 5.33 % 3.95 % 0.41 % Expected volatility 50.45 % 65.71 % 69.58 % Expected life (in years) 0.50 0.50 0.50 Weighted-average fair value of shares issued (per share) $ 6.69 $ 9.73 $ 27.54
Quantities and Average Prices of Shares Issued Under the ESPP	The following table sets forth the quantities and average prices of shares issued under the ESPP for the fiscal years ended September 30, 2024, 2023 and 2022: Year Ended September 30, 2024 2023 2022 Shares issued under the ESPP 171,753 88,625 80,417 Average price of shares issued $ 7.93 $ 20.58 $ 28.18
Schedule of Stock-based Compensation	The amounts included in the Consolidated Statements of Operations related to stock-based compensation are as follows (dollars in thousands): Year Ended September 30, 2024 2023 2022 Cost of connected services $ 288 $ 445 $ 499 Cost of professional services 2,345 3,258 3,267 Research and development 10,449 17,167 10,196 Sales and marketing 2,199 3,454 3,569 General and administrative 8,392 16,442 6,545 Restructuring and other costs, net — — 4,000 Total $ 23,673 $ 40,766 $ 28,076

Income Taxes (Tables)

Income Taxes (Tables)	12 Months Ended
	Sep. 30, 2024
Income Tax Disclosure [Abstract]
Components of (Loss) Income Before Income Taxes	The components of loss before income taxes are as follows (dollars in thousands): Year Ended September 30, 2024 2023 2022 Domestic $ ( 524,632 ) $ ( 24,524 ) $ ( 168,452 ) Foreign ( 59,978 ) ( 11,865 ) ( 30,299 ) Loss before income taxes $ ( 584,610 ) $ ( 36,389 ) $ ( 198,751 )
Components of Provision for Income Taxes	The components of provision for income taxes are as follows (dollars in thousands): Year Ended September 30, 2024 2023 2022 Current: Federal $ ( 561 ) $ 611 $ 12 State 32 38 15 Foreign 8,655 11,619 14,761 Total current $ 8,126 $ 12,268 $ 14,788 Deferred: Federal ( 4,596 ) 7,941 ( 6,823 ) State 219 ( 1,164 ) 218 Foreign ( 281 ) 820 103,892 Total deferred ( 4,658 ) 7,597 97,287 Provision for income taxes $ 3,468 $ 19,865 $ 112,075 Effective income tax rate ( 0.6 )% ( 54.6 )% ( 56.4 )%
Schedule of Provision for Income Taxes Differed from the Amount Computed by Applying Federal Statutory Rate	The provision for income taxes differed from the amount computed by applying the federal statutory rate to our loss before income taxes as follows (dollars in thousands): Year Ended September 30, 2024 2023 2022 Federal tax provision at statutory rate $ ( 122,768 ) $ ( 7,633 ) $ ( 41,738 ) State tax, net of federal benefit 199 ( 890 ) 185 Foreign tax rate and other foreign related tax items 3,230 3,203 920 Uncertain tax positions 1,681 4,202 25 Stock-based compensation 1,953 4,734 ( 15,020 ) Global intangible low-taxed income ( 1,601 ) 7,464 ( 554 ) Goodwill impairment 114,863 — 39,933 Change in valuation allowance ( 1,763 ) 27,101 128,034 Executive compensation 183 991 885 Non-deductible expenditures 835 211 210 R&D credits ( 1,531 ) ( 588 ) ( 805 ) Intangible property transfers — ( 18,930 ) — Capital losses 8,187 — — Provision for income taxes $ 3,468 $ 19,865 $ 112,075
Schedule of Deferred Tax Assets (Liabilities)	Deferred tax assets (liabilities) consist of the following as of September 30, 2024 and 2023 (dollars in thousands): September 30, 2024 2023 Deferred tax assets: Net operating loss carryforwards $ 40,155 $ 31,026 Capital loss carryforwards — 8,187 Federal credit carryforwards 7,380 4,487 Accrued expenses and other reserves 3,119 4,620 Deferred revenue 37,508 52,513 Acquired intangibles 110,844 104,634 Interest limitations carryforward 9,456 10,997 Operating lease liabilities 3,714 4,493 Depreciation 25,394 13,152 Deferred compensation 1,028 1,851 Pension obligation 462 852 Other 3,873 4,148 Total deferred tax assets $ 242,933 $ 240,960 Valuation allowance for deferred tax assets ( 167,314 ) ( 162,966 ) Deferred tax assets $ 75,619 $ 77,994 Deferred tax liabilities: Depreciation $ ( 5,006 ) $ ( 5,697 ) Acquired intangibles ( 6,889 ) ( 11,707 ) Convertible debt — — Operating lease right of use assets ( 3,557 ) ( 3,896 ) Deferred costs ( 7,691 ) ( 8,489 ) Other ( 1,656 ) ( 2,166 ) Total deferred tax liabilities ( 24,799 ) ( 31,955 ) Net deferred tax assets $ 50,820 $ 46,039
Aggregate Changes in Balance of Gross Unrecognized Tax Benefits	The aggregate changes in the balance of our gross unrecognized tax benefits were as follows (dollars in thousands): September 30, 2024 2023 Balance at the beginning of the year $ 85,172 $ 76,590 Beginning balance adjustment 4,018 4,977 Increases related to tax positions taken from prior periods 216 — Decreases related to tax positions taken from prior periods ( 2,272 ) ( 1,476 ) Increases related to tax positions taken during current period 484 5,382 Decreases for tax settlements and lapse in statutes ( 218 ) ( 301 ) Balance at the end of the year $ 87,400 $ 85,172

Long-Term Debt (Tables)

Long-Term Debt (Tables)	12 Months Ended
	Sep. 30, 2024
Debt Disclosure [Abstract]
Schedule of Long-Term Debt	Long-term debt consisted of the following (in thousands): September 30, 2024 Description Maturity Date Convertible Debt Coupon Rate Effective Interest Rate Principal Unamortized Discount Deferred Issuance Costs Carrying Value 2025 Modified Notes 6/1/2025 3.00 % 3.70 % $ 87,500 $ - $ ( 406 ) $ 87,094 2025 Modified Notes 7/1/2028 1.50 % 8.55 % 87,500 ( 2,777 ) ( 10,602 ) 74,121 2028 Notes 7/1/2028 1.50 % 1.91 % 122,500 - ( 1,809 ) 120,691 Total debt $ 297,500 $ ( 2,777 ) $ ( 12,817 ) 281,906 Less: current portion of long-term debt ( 87,094 ) Total long-term debt $ 194,812 September 30, 2023 Description Maturity Date Convertible Debt Coupon Rate Effective Interest Rate Principal Unamortized Discount Deferred Issuance Costs Carrying Value 2025 Modified Notes 6/1/2025 3.00 % 3.70 % $ 87,500 $ - $ ( 992 ) $ 86,508 2025 Modified Notes 7/1/2028 1.50 % 8.75 % 87,500 ( 3,796 ) ( 14,490 ) 69,214 2028 Notes 7/1/2028 1.50 % 1.91 % 122,500 - ( 2,271 ) 120,229 Total debt $ 297,500 $ ( 3,796 ) $ ( 17,753 ) 275,951 Less: current portion of long-term debt — Total long-term debt $ 275,951
Summary of Maturities of Borrowing Obligations	The following table summarizes the maturities of our borrowing obligations as of September 30, 2024 (in thousands): Fiscal Year 2028 Notes 2025 Modified Notes Total 2025 $ — $ 87,500 $ 87,500 2026 — — — 2027 — — — 2028 122,500 87,500 210,000 2029 — — - Thereafter — — — Total before unamortized discount and issuance costs and current portion $ 122,500 $ 175,000 $ 297,500 Less: unamortized discount and issuance costs ( 1,809 ) ( 13,785 ) ( 15,594 ) Less: current portion of long-term debt — ( 87,094 ) ( 87,094 ) Total long-term debt $ 120,691 $ 74,121 $ 194,812
Schedule of Interest Expense Related to Notes	The interest expense recognized related to the Notes for the fiscal years ended September 30, 2024, 2023 and 2022 was as follows (dollars in thousands): Year Ended 2024 2023 2022 Contractual interest expense $ 5,776 $ 5,383 $ 5,246 Amortization of debt discount 1,019 258 3,755 Amortization of issuance costs 4,936 2,119 944 Total interest expense related to the Notes $ 11,731 $ 7,760 $ 9,945

Organization - Additional Infor

Organization - Additional Information (Details)		12 Months Ended
	Oct. 01, 2019	Sep. 30, 2024
Organization [Line Items]
Entity Incorporation State Country Code		DE
Entity incorporation, date of incorporation		Oct. 01, 2019
Nuance Communications | Spin-Off
Organization [Line Items]
Distribution date	Oct. 01, 2019
Conversion ratio, description		The distribution was made in the amount of one share of our common stock for every eight shares of Nuance common stock (the “Distribution”) owned by Nuance’s stockholders as of 5:00 p.m. Eastern Time on September 17, 2019, the record date of the Distribution.
Conversion ratio	0.125

Summary of Significant Accoun_4

Summary of Significant Accounting Policies - Additional Information (Details)	3 Months Ended		12 Months Ended
	Jun. 30, 2024 USD ($)	Mar. 31, 2024 USD ($)	Sep. 30, 2024 USD ($) Customer Unit Segment	Sep. 30, 2023 USD ($) Customer	Sep. 30, 2022 USD ($)	Jun. 30, 2022 USD ($)	Jun. 02, 2020
Summary Of Significant Accounting Policies [Line Items]
Inventory			$ 1,000,000	$ 500,000
Goodwill impairment charge	$ 357,100,000	$ 252,100,000	$ 609,172,000	0	$ 213,720,000
Number of operating segment | Segment			1
Estimate fair value	$ 154,200,000	$ 463,400,000
Number of reporting unit | Unit			1
Impairment of long-lived asset group, disposition			$ 0	0	0
Undistributed earnings in our foreign subsidiaries are expected			0	0
Foreign currency transaction gain (loss)			$ (1,800,000)	2,300,000	$ 100,000
Operating lease, existence of option to extend			true
Operating lease, option to extend			Some of our leases include options to extend or terminate the lease prior to the end of the agreed upon lease term. For purposes of calculating lease liabilities, lease terms include options to extend or terminate the lease when it is reasonably certain that we will exercise such options.
Operating lease, existence of option to terminate			true
Operating lease, option to terminate			Some of our leases include options to extend or terminate the lease prior to the end of the agreed upon lease term. For purposes of calculating lease liabilities, lease terms include options to extend or terminate the lease when it is reasonably certain that we will exercise such options.
Deferred tax assets valuation allowance			$ 167,314,000	$ 162,966,000
Foreign Jurisdiction
Summary Of Significant Accounting Policies [Line Items]
Deferred tax assets valuation allowance						$ 107,600,000
3.00% Convertible Senior Notes Due 2025
Summary Of Significant Accounting Policies [Line Items]
Debt instrument, interest rate			3%	3%			3%
Minimum
Summary Of Significant Accounting Policies [Line Items]
Operating lease remaining term			1 year
Maximum
Summary Of Significant Accounting Policies [Line Items]
Operating lease remaining term			6 years
Concentration of Credit Risk | Accounts Receivable, Net
Summary Of Significant Accounting Policies [Line Items]
Number of major customers | Customer			1	2
Concentration of Credit Risk | Customer One | Accounts Receivable, Net
Summary Of Significant Accounting Policies [Line Items]
Concentration risk, percentage			21.40%	10.80%
Concentration of Credit Risk | Customer Two | Accounts Receivable, Net
Summary Of Significant Accounting Policies [Line Items]
Concentration risk, percentage				10.10%

Summary of Significant Accoun_5

Summary of Significant Accounting Policies - Summary of Change in Allowance for Credit Losses (Details) - USD ($) $ in Thousands	12 Months Ended
	Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2022
Receivables [Abstract]
Beginning balance	$ (4,131)	$ 371	$ 879
Credit loss provision	3,545	3,626	(431)
Write-offs, net of recoveries	(6,073)		18
Foreign exchange impact on ending balance	11	134	(95)
Ending balance	$ (1,614)	$ (4,131)	$ 371

Summary of Significant Accoun_6

Summary of Significant Accounting Policies - Components of Accumulated Other Comprehensive Loss (Details) - USD ($) $ in Thousands	Sep. 30, 2024	Sep. 30, 2023
Accounting Policies [Abstract]
Foreign currency translation adjustments	$ (25,932)	$ (28,275)
Net unrealized (losses) gains on post-retirement benefits	(11)	528
Net unrealized gains (losses) on available-for-sale securities	31	(219)
Accumulated other comprehensive loss	$ (25,912)	$ (27,966)

Revenue Recognition - Additiona

Revenue Recognition - Additional Information (Details)			3 Months Ended	12 Months Ended
	Oct. 31, 2023	Oct. 30, 2023	Dec. 31, 2023 USD ($)	Sep. 30, 2024 USD ($) Customer	Sep. 30, 2023 USD ($) Customer	Sep. 30, 2022 USD ($) Customer
Disaggregation Of Revenue [Line Items]
Revenues				$ 331,504,000	$ 294,475,000	$ 327,891,000
Minimum purchase commitment deals of revenue						$ 47,100,000
Distribution period						5 years
Contract acquisition costs				7,100,000	8,000,000
Contract acquisition cost, amortization				3,800,000	3,800,000	$ 2,500,000
Contract acquisition cost, impairment				0
Capitalized contract cost, amortization				8,900,000	9,900,000	10,200,000
Capitalized contract cost, impairment				0
Accounts receivable, net				62,755,000	61,270,000	45,100,000
Provision relating to bankruptcy				6,100,000
Acceleration of deferred revenue			$ 67,800,000
Contract Asset [Member]
Disaggregation Of Revenue [Line Items]
Provision relating to bankruptcy				6,000,000
Trade Accounts Receivable [Member]
Disaggregation Of Revenue [Line Items]
Provision relating to bankruptcy				100,000
Customer One
Disaggregation Of Revenue [Line Items]
Revenues				$ 84,200,000	$ 42,100,000	55,400,000
Customer Two
Disaggregation Of Revenue [Line Items]
Revenues						$ 48,900,000
Separate Customer
Disaggregation Of Revenue [Line Items]
Acceleration of deferred revenue			$ 9,900,000
2013 Acquisition
Disaggregation Of Revenue [Line Items]
Contract termination date	Dec. 31, 2023	Dec. 31, 2025
Revenues | Customer Concentration Risk
Disaggregation Of Revenue [Line Items]
Number of customers accounted for revenues | Customer				1	1	2
Revenues | Customer Concentration Risk | Customer One
Disaggregation Of Revenue [Line Items]
Percentage of revenue				25.40%	14.30%	16.90%
Revenues | Customer Concentration Risk | Customer Two
Disaggregation Of Revenue [Line Items]
Percentage of revenue						14.90%
Minimum
Disaggregation Of Revenue [Line Items]
Connected services contract term				1 year
Contract acquisition cost, deferred and amortized over benefit period				1 year
Contract term				1 year
Maximum
Disaggregation Of Revenue [Line Items]
Connected services contract term				5 years
Contract acquisition costs, expected benefit period				1 year
Contract acquisition cost, deferred and amortized over benefit period				8 years
Contract term				8 years

Revenue Recognition - Summary o

Revenue Recognition - Summary of Revenues Classified by Major Geographic Region (Details) - USD ($) $ in Thousands	12 Months Ended
	Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2022
Revenues:
Total net revenues	$ 331,504	$ 294,475	$ 327,891
United States
Revenues:
Total net revenues	139,441	87,120	100,564
Other Americas
Revenues:
Total net revenues	623	244	99
Germany
Revenues:
Total net revenues	94,050	87,211	74,550
Other Europe, Middle East and Africa
Revenues:
Total net revenues	18,018	15,603	15,579
Japan
Revenues:
Total net revenues	42,466	40,122	74,480
Other Asia-Pacific
Revenues:
Total net revenues	$ 36,906	$ 64,175	$ 62,619

Revenue Recognition - Summary_2

Revenue Recognition - Summary of Significant Changes in Contract Assets (Details) - USD ($) $ in Thousands	12 Months Ended
	Sep. 30, 2024	Sep. 30, 2023
Revenue from Contract with Customer [Abstract]
Balance	$ 56,708	$ 76,292
Revenues recognized but not billed	33,037	43,749
Amounts reclassified to accounts receivable, net	(63,073)	(65,931)
Write-off of contract assets	(5,995)
Foreign exchange impact on ending balance	1,542	2,598
Balance	$ 22,219	$ 56,708

Revenue Recognition - Summary_3

Revenue Recognition - Summary of Significant Changes in Deferred Revenue (Details) - USD ($) $ in Thousands	12 Months Ended
	Sep. 30, 2024	Sep. 30, 2023
Revenue from Contract with Customer [Abstract]
Balance	$ 222,599	$ 238,634
Amounts billed but not recognized	109,201	79,114
Revenue recognized	(169,970)	(99,888)
Foreign exchange impact on ending balance	5,346	4,739
Balance	$ 167,176	$ 222,599

Revenue Recognition - Summary_4

Revenue Recognition - Summary of Estimated Revenue Expected to be Recognized in Future Related to Performance Obligations Unsatisfied or Partially Unsatisfied (Details) $ in Thousands	Sep. 30, 2024 USD ($)
Remaining Performance Obligations
Total revenue	$ 205,510
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date: 2024-10-01
Remaining Performance Obligations
Total revenue	$ 81,613
Remaining performance obligation, expected timing of satisfaction, period	1 year
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date: 2025-01-01
Remaining Performance Obligations
Total revenue	$ 91,134
Remaining performance obligation, expected timing of satisfaction, period	4 years
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date: 2029-01-01
Remaining Performance Obligations
Total revenue	$ 32,763
Remaining performance obligation, expected timing of satisfaction, period

Revenue Recognition - Summary_5

Revenue Recognition - Summary of Estimated Revenue Expected to be Recognized in Future Related to Performance Obligations Unsatisfied or Partially Unsatisfied (Details 1) $ in Thousands	Sep. 30, 2024 USD ($)
Remaining Performance Obligations
Total revenue	$ 205,510

Earnings Per Share - Schedule o

Earnings Per Share - Schedule of Reconciliation of Basic Shares to Diluted Shares (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	12 Months Ended
	Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2022
Numerator:
Net loss	$ (588,078)	$ (56,254)	$ (310,826)
Denominator:
Weighted average common shares outstanding - basic	41,642	40,215	39,187
Weighted average common shares outstanding - diluted	41,642	40,215	39,187
Net loss per common share:
Basic	$ (14.12)	$ (1.4)	$ (7.93)
Diluted	$ (14.12)	$ (1.4)	$ (7.93)

Earnings Per Share - Schedule_2

Earnings Per Share - Schedule of Potential Shares Considered Antidilutive (Details) - shares shares in Thousands	12 Months Ended
	Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2022
Restricted Stock Awards
Antidilutive Securities Excluded From Computation Of Earnings Per Share [Line Items]
Antidilutive shares		273	227
Contingently Issuable Stock Awards
Antidilutive Securities Excluded From Computation Of Earnings Per Share [Line Items]
Antidilutive shares	232	150	8
Conversion Option of our Notes
Antidilutive Securities Excluded From Computation Of Earnings Per Share [Line Items]
Antidilutive shares	7,495	5,402	4,677

Fair Value Measurements - Summa

Fair Value Measurements - Summary of Financial Assets that are Measured at Fair Value and Indicates the Fair Value Hierarchy of the Valuation Inputs (Details) - USD ($) $ in Thousands	Sep. 30, 2024	Sep. 30, 2023
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Fair Value	$ 93,539	$ 97,550
Cash and Cash Equivalents	81,485	74,885
Marketable Securities	8,955	19,818
Money Market Funds | Level 1
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Fair Value	77,785	66,349
Cash and Cash Equivalents	77,785	66,349
Government Securities | Level 1
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Fair Value		4,375
Marketable Securities		4,375
Government Securities | Level 2
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Fair Value	3,950	5,000
Marketable Securities	3,950	5,000
Time Deposits | Level 2
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Fair Value	3,700	8,536
Cash and Cash Equivalents	3,700	8,536
Commercial Paper | Level 2
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Fair Value		496
Marketable Securities		496
Corporate Debt Securities | Level 2
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Fair Value	5,005	9,947
Marketable Securities	5,005	9,947
Debt Securities | Level 2
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Fair Value		$ 2,847
Convertible Debt | Level 2
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Fair Value	$ 3,099

Fair Value Measurements - Sum_2

Fair Value Measurements - Summary of Financial Assets that are Measured at Fair Value and Indicates the Fair Value Hierarchy of the Valuation Inputs (Parenthetical) (Details) - USD ($) $ in Thousands	Sep. 30, 2024	Sep. 30, 2023
Money Market Funds | Level 1
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Marketable securities, cost	$ 77,785	$ 66,349
Government Securities | Level 1
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Marketable securities, cost		4,421
Government Securities | Level 2
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Marketable securities, cost	3,940	5,046
Time Deposits | Level 2
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Marketable securities, cost	3,700	8,536
Commercial Paper | Level 2
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Marketable securities, cost		496
Corporate Debt Securities | Level 2
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Marketable securities, cost	4,984	10,073
Debt Securities | Level 2
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Marketable securities, cost		$ 2,000
Convertible Debt | Level 2
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Marketable securities, cost	$ 2,000

Fair Value Measurements - Addit

Fair Value Measurements - Additional Information (Details) - USD ($)	12 Months Ended
	Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2022
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Unrealized gains (losses) to marketable securities	$ 300,000	$ 200,000	$ (400,000)
Equity investments without readily determinable fair values	2,600,000	2,600,000
Impairment related to investments without readily determinable fair values	0	500,000	$ 0
Estimated Fair Value | Level 2
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Fair value of notes	$ 184,800,000	$ 257,400,000

Derivative Financial Instrume_3

Derivative Financial Instruments - Additional Information (Details) - Foreign Exchange Forward Contracts - Not Designated - USD ($) $ in Millions	12 Months Ended
	Sep. 30, 2024	Sep. 30, 2023
Derivative [Line Items]
Derivative, notional amount	$ 59.1	$ 98
Derivative, weighted-average remaining maturity	9 months 27 days	11 months 18 days
Maximum
Derivative [Line Items]
Derivative, contract maturity	3 years

Derivative Financial Instrume_4

Derivative Financial Instruments - Summary of Fair Value and Presentation in Consolidated Balance Sheet for Derivative Instruments (Details) - Foreign Currency Forward Contracts - Not Designated - USD ($) $ in Thousands	Sep. 30, 2024	Sep. 30, 2023
Prepaid Expenses and Other Current Assets
Derivatives Fair Value [Line Items]
Derivative instrument assets at fair value	$ 65	$ 477
Other Assets
Derivatives Fair Value [Line Items]
Derivative instrument assets at fair value	68	256
Accrued Expenses and Other Current Liabilities
Derivatives Fair Value [Line Items]
Derivative instrument liabilities at fair value	691	1,613
Other Liabilities
Derivatives Fair Value [Line Items]
Derivative instrument liabilities at fair value	$ 163	$ 460

Derivative Financial Instrume_5

Derivative Financial Instruments - Summary of (Loss) Income Related to Foreign Forward Currency Contracts (Details) - Foreign Exchange Forward Contracts - Not Designated - USD ($) $ in Thousands	12 Months Ended
	Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2022
Derivative Instruments Gain Loss [Line Items]
(Loss) income recognized in earnings	$ (1,062)	$ (2,492)	$ 860
Derivative, Gain (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration]	Other Nonoperating Income (Expense)	Other Nonoperating Income (Expense)	Other Nonoperating Income (Expense)

Goodwill and Intangible Asset_2

Goodwill and Intangible Assets - Goodwill - Additional Information (Details) - USD ($) $ in Millions	12 Months Ended
	Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2022
Customer Relationships | Operating Expenses
Goodwill [Line Items]
Amortization expense	$ 2.2	$ 5.9	$ 11.5
Technology and Patents | Cost of Revenues
Goodwill [Line Items]
Amortization expense	$ 0.1	$ 0.4	$ 3

Goodwill and Intangible Asset_3

Goodwill and Intangible Assets - Changes in Carrying Amount of Goodwill (Details) - USD ($) $ in Thousands	12 Months Ended
	Sep. 30, 2024	Sep. 30, 2023
Goodwill and Intangible Assets Disclosure [Abstract]
Balance	$ 900,342	$ 890,802
Goodwill impairment	(609,172)
Effect of foreign currency translation	5,688	9,540
Balance	$ 296,858	$ 900,342

Goodwill and Intangible Asset_4

Goodwill and Intangible Assets - Summary of Gross Carrying Amounts and Accumulated Amortization of Intangible Assets by Major Class (Details) - USD ($) $ in Thousands	Sep. 30, 2024	Sep. 30, 2023
Finite Lived Intangible Assets [Line Items]
Gross Carrying Amount	$ 198,701	$ 196,144
Accumulated Amortization	(196,995)	(192,269)
Net Carrying Amount	1,706	3,875
Customer Relationships
Finite Lived Intangible Assets [Line Items]
Gross Carrying Amount	108,659	106,713
Accumulated Amortization	(106,953)	(102,942)
Net Carrying Amount	$ 1,706	$ 3,771
Weighted Average Remaining Life (Years)	6 months	1 year 6 months
Technology and Patents
Finite Lived Intangible Assets [Line Items]
Gross Carrying Amount	$ 90,042	$ 89,431
Accumulated Amortization	(90,042)	(89,327)
Net Carrying Amount	$ 0	$ 104
Weighted Average Remaining Life (Years)		2 months 12 days

Goodwill and Intangible Asset_5

Goodwill and Intangible Assets - Schedule of Estimated Amortization (Details) - USD ($) $ in Thousands	Sep. 30, 2024	Sep. 30, 2023
Finite Lived Intangible Assets [Line Items]
2025	$ 1,706
Net Carrying Amount	1,706	$ 3,875
Cost of Revenues
Finite Lived Intangible Assets [Line Items]
2025	0
Net Carrying Amount	0
Operating Expenses
Finite Lived Intangible Assets [Line Items]
2025	1,706
Net Carrying Amount	$ 1,706

Property and Equipment Net - Co

Property and Equipment Net - Components of Property and Equipment,Net (Details) - USD ($) $ in Thousands	Sep. 30, 2024	Sep. 30, 2023
Property Plant And Equipment [Line Items]
Finance leases	$ 3,428	$ 3,427
Subtotal	97,666	94,379
Less: accumulated depreciation	(67,527)	(60,366)
Total	30,139	34,013
Machinery and equipment
Property Plant And Equipment [Line Items]
Subtotal	$ 14,297	12,391
Machinery and equipment | Minimum
Property Plant And Equipment [Line Items]
Property and Equipment Useful Life	3 years
Machinery and equipment | Maximum
Property Plant And Equipment [Line Items]
Property and Equipment Useful Life	5 years
Computers, software and equipment
Property Plant And Equipment [Line Items]
Subtotal	$ 65,748	62,151
Computers, software and equipment | Minimum
Property Plant And Equipment [Line Items]
Property and Equipment Useful Life	3 years
Computers, software and equipment | Maximum
Property Plant And Equipment [Line Items]
Property and Equipment Useful Life	5 years
Leasehold improvements
Property Plant And Equipment [Line Items]
Subtotal	$ 9,457	10,378
Leasehold improvements | Minimum
Property Plant And Equipment [Line Items]
Property and Equipment Useful Life	2 years
Leasehold improvements | Maximum
Property Plant And Equipment [Line Items]
Property and Equipment Useful Life	15 years
Furniture and fixtures
Property Plant And Equipment [Line Items]
Subtotal	$ 3,646	3,736
Furniture and fixtures | Minimum
Property Plant And Equipment [Line Items]
Property and Equipment Useful Life	5 years
Furniture and fixtures | Maximum
Property Plant And Equipment [Line Items]
Property and Equipment Useful Life	7 years
Construction in progress
Property Plant And Equipment [Line Items]
Subtotal	$ 1,090	$ 2,296

Property and Equipment Net - Ad

Property and Equipment Net - Additional Information (Details) - USD ($) $ in Millions	12 Months Ended
	Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2022
Property, Plant and Equipment [Abstract]
Net Book Value of Capitalized Internal-Use Software	$ 16.9	$ 17.2
Depreciation expense	8.3	9.8	$ 9.4
Amortization expense	$ 2.7	$ 4	$ 3.7

Property and Equipment Net - _2

Property and Equipment Net - Components of Property and Equipment, Net by Geography (Details) - USD ($) $ in Thousands	Sep. 30, 2024	Sep. 30, 2023
Property Plant And Equipment [Line Items]
Total long-lived assets	$ 30,139	$ 34,013
United States
Property Plant And Equipment [Line Items]
Total long-lived assets	23,903	26,117
Germany
Property Plant And Equipment [Line Items]
Total long-lived assets	1,440	1,861
Canada
Property Plant And Equipment [Line Items]
Total long-lived assets	1,321	1,695
Other countries
Property Plant And Equipment [Line Items]
Total long-lived assets	$ 3,475	$ 4,340

Accrued Expenses and Other Cu_3

Accrued Expenses and Other Current Liabilities - Accrued Expenses and Other Current Liabilities (Details) - USD ($) $ in Thousands	Sep. 30, 2024	Sep. 30, 2023
Accrued Liabilities and Other Liabilities [Abstract]
Legal settlement	$ 30,000
Compensation	18,755	$ 24,997
Professional fees	4,015	3,386
Sales and other taxes payable	3,668	7,384
Cost of revenue related liabilities	2,864	4,326
Interest payable	1,735	1,781
Other	7,368	6,844
Total	$ 68,405	$ 48,718

Accrued Expenses and Other Cu_4

Accrued Expenses and Other Current Liabilities - Additional Information (Details) $ in Millions	Sep. 30, 2024 USD ($)
Prepaid Expenses and Other Current Assets
Receivable related to insurance proceeds	$ 30

Restructuring and Other Costs_3

Restructuring and Other Costs, Net - Schedule of Accrual Activity Relating to Restructuring Charges (Details) - USD ($) $ in Thousands	12 Months Ended
	Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2022
Restructuring Cost And Reserve [Line Items]
Beginning Balance	$ 1,582	$ 5,154	$ 5,035
Restructuring and other costs, net	17,077	11,917	8,965
Non-cash adjustment	(834)	2,814	(4,708)
Cash payments	(13,522)	(18,305)	(4,082)
Foreign exchange impact on ending balance	27	2	(56)
Ending Balance	4,330	1,582	5,154
Personnel
Restructuring Cost And Reserve [Line Items]
Beginning Balance	549	1,277	1,620
Restructuring and other costs, net	13,410	7,778	1,676
Cash payments	(10,231)	(8,498)	(2,021)
Foreign exchange impact on ending balance	30	(8)	2
Ending Balance	3,758	549	1,277
Facilities
Restructuring Cost And Reserve [Line Items]
Beginning Balance	1,033	1,600	1,881
Restructuring and other costs, net	73	460	673
Non-cash adjustment	(534)	(486)	(708)
Cash payments	(569)	(551)	(188)
Foreign exchange impact on ending balance	(3)	10	(58)
Ending Balance		1,033	1,600
Restructuring Subtotal
Restructuring Cost And Reserve [Line Items]
Beginning Balance	1,582	2,877	3,501
Restructuring and other costs, net	13,483	8,238	2,349
Non-cash adjustment	(534)	(486)	(708)
Cash payments	(10,800)	(9,049)	(2,209)
Foreign exchange impact on ending balance	27	2	(56)
Ending Balance	3,758	1,582	2,877
Other
Restructuring Cost And Reserve [Line Items]
Beginning Balance		2,277	1,534
Restructuring and other costs, net	3,594	3,679	6,616
Non-cash adjustment	(300)	3,300	(4,000)
Cash payments	(2,722)	$ (9,256)	(1,873)
Ending Balance	$ 572		$ 2,277

Restructuring and Other Costs_4

Restructuring and Other Costs, Net - Additional Information (Details) - USD ($) $ in Thousands	12 Months Ended
	Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2022
Restructuring Cost And Reserve [Line Items]
Restructuring and other costs, net	$ 17,077	$ 11,917	$ 8,965
Severance Charge
Restructuring Cost And Reserve [Line Items]
Restructuring and other costs, net	13,410	7,778	1,676
Consulting Costs
Restructuring Cost And Reserve [Line Items]
Restructuring and other costs, net	2,800
Third Party Fees
Restructuring Cost And Reserve [Line Items]
Restructuring and other costs, net		3,800
Facilities Closure
Restructuring Cost And Reserve [Line Items]
Restructuring and other costs, net	73	$ 460	673
Other One-Time Charges
Restructuring Cost And Reserve [Line Items]
Restructuring and other costs, net	800		2,600
Professional Services Fees
Restructuring Cost And Reserve [Line Items]
Restructuring and other costs, net	$ 8,100
Stock Based Compensation due to the Resignation of Former CEO
Restructuring Cost And Reserve [Line Items]
Restructuring and other costs, net			4,000
Stock Based Compensation, Net of Forfeitures, due to the Resignation of Former CEO
Restructuring Cost And Reserve [Line Items]
Restructuring and other costs, net			$ 5,000

Leases - Additional Information

Leases - Additional Information (Details) - USD ($) $ in Millions	12 Months Ended
	Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2022
Lessee Lease Description [Line Items]
Operating lease, existence of option to extend	true
Operating lease, option to extend	Some of our leases include options to extend or terminate the lease prior to the end of the agreed upon lease term. For purposes of calculating lease liabilities, lease terms include options to extend or terminate the lease when it is reasonably certain that we will exercise such options.
Operating lease, existence of option to terminate	true
Operating lease, option to terminate	Some of our leases include options to extend or terminate the lease prior to the end of the agreed upon lease term. For purposes of calculating lease liabilities, lease terms include options to extend or terminate the lease when it is reasonably certain that we will exercise such options.
Cash payments related to operating leases	$ 6.6	$ 6.6	$ 6.7
Cash payments related to financing leases	0.4	0.4	0.5
Right of use assets obtained in exchange for lease obligations	$ 5.8	$ 2.9	$ 7.5
Minimum
Lessee Lease Description [Line Items]
Operating lease remaining term	1 year
Maximum
Lessee Lease Description [Line Items]
Operating lease remaining term	6 years

Leases - Summary of Lease Term

Leases - Summary of Lease Term and Incremental Borrowing Rates for Leases (Details)	Sep. 30, 2024	Sep. 30, 2023
Weighted-average remaining lease term (in months):
Operating leases	46 months	37 months 6 days
Finance leases	13 months 12 days	24 months 15 days
Weighted-average discount rate:
Operating leases	6.60%	5.30%
Finance leases	4.40%	4.40%

Leases - Summary of Lease-relat

Leases - Summary of Lease-related Assets and Liabilities Reported in the Consolidated Balance Sheets (Details) - USD ($) $ in Thousands	Sep. 30, 2024	Sep. 30, 2023
ASSETS
Operating lease right of use assets	$ 12,879	$ 11,961
Finance lease assets	$ 410	$ 825
Finance Lease, Right-of-Use Asset, Statement of Financial Position [Extensible Enumeration]	Property and equipment, net	Property and equipment, net
Total lease assets	$ 13,289	$ 12,786
Current liabilities:
Short-term operating lease liabilities	4,528	5,434
Finance	$ 394	$ 437
Finance Lease, Liability, Current, Statement of Financial Position [Extensible Enumeration]	Accrued expenses and other current liabilities	Accrued expenses and other current liabilities
Noncurrent
Long-term operating lease liabilities	$ 8,803	$ 7,947
Finance	$ 53	$ 408
Finance Lease, Liability, Noncurrent, Statement of Financial Position [Extensible Enumeration]	Other liabilities	Other liabilities
Total lease liability	$ 13,778	$ 14,226

Leases - Summary of Lease Expen

Leases - Summary of Lease Expense (Details) - USD ($) $ in Thousands	12 Months Ended
	Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2022
Finance lease costs:
Amortization of right of use asset	$ 415	$ 432	$ 435
Interest on lease liability	22	37	50
Operating lease cost	6,226	6,489	6,788
Variable lease cost	2,550	3,120	3,492
Sublease income	(216)	(195)	(187)
Total lease cost	$ 8,997	$ 9,883	$ 10,578

Leases - Summary of Undiscounte

Leases - Summary of Undiscounted Future Minimum Lease Payments Under Non-cancelable Leases (Details) - USD ($) $ in Thousands	Sep. 30, 2024	Sep. 30, 2023
Operating Leases
2025	$ 5,282
2026	3,222
2027	2,809
2028	2,146
2029	1,389
Thereafter	429
Total future minimum lease payments	15,277
Less effects of discounting	(1,946)
Total lease liabilities	13,331
Short-term operating lease liabilities	4,528	$ 5,434
Long-term operating lease liabilities	8,803	7,947
Financing Leases
2025	401
2026	53
Total future minimum lease payments	454
Less effects of discounting	(7)
Total lease liabilities	447
Short-term lease liabilities	394	437
Long-term lease liabilities	53	$ 408
Total
2025	5,683
2026	3,275
2027	2,809
2028	2,146
2029	1,389
Thereafter	429
Total future minimum lease payments	15,731
Less effects of discounting	(1,953)
Total lease liabilities	13,778
Short-term lease liabilities	4,922
Long-term lease liabilities	$ 8,856

Stockholders' Equity - Addition

Stockholders' Equity - Additional Information (Details) - USD ($)		12 Months Ended
	Oct. 02, 2019	Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2022	Oct. 06, 2024	Mar. 04, 2024	Oct. 01, 2019
Class Of Stock [Line Items]
Capital stock, shares authorized							600,000,000
Preferred stock, shares authorized							40,000,000
Preferred stock, par value per share							$ 0.01
Common stock, shares authorized		560,000,000	560,000,000				560,000,000
Common stock, par value		$ 0.01	$ 0.01				$ 0.01
Common stock reserved for issuance	6,350,000					600,000
Increase in shares available for issuance, description	The shares available for issuance will automatically increase on January 1st of each year, by the lesser of (A) three percent (3%) of the number of shares of Common Stock outstanding as of the close of business on the immediately preceding December 31st; and (B) the number of shares of Common Stock determined by the Board on or prior to such date for such year.
Increase in shares available for issuance expressed as percentage of number of shares of common stock outstanding	3%
Stock-based compensation		$ 23,673,000	$ 40,766,000	$ 28,076,000
Due to the Resignation of Former CEO
Class Of Stock [Line Items]
Stock-based compensation				4,000,000
Due to the Resignation of Former CFO and General Counsel
Class Of Stock [Line Items]
Stock-based compensation				2,400,000
Net of Forfeitures, Due to the Resignation of Former CEO
Class Of Stock [Line Items]
Stock-based compensation				5,000,000
Net of Forfeitures, Due to the Resignation of Former CFO and General Counsel
Class Of Stock [Line Items]
Stock-based compensation				200,000
Restricted Stock Awards
Class Of Stock [Line Items]
Payroll taxes withheld related to vesting of awards		$ 9,900,000	$ 4,900,000	$ 49,000,000
Maximum | Restricted Stock Awards
Class Of Stock [Line Items]
Vesting period		4 years
Minimum | Restricted Stock Awards
Class Of Stock [Line Items]
Vesting period		2 years
Subsequent Event
Class Of Stock [Line Items]
Common stock reserved for issuance					3,000,000
2019 Equity Incentive Plan
Class Of Stock [Line Items]
Common stock reserved for issuance	5,300,000
Share-based compensation arrangement by share-based payment award, terms of award		Awards issued under the Plan may not have a term greater than ten years from the date of grant.
2019 Equity Incentive Plan | Maximum
Class Of Stock [Line Items]
Share-based compensation arrangement by share-based payment award, expected term		10 years
2019 Employee Stock Purchase Plan
Class Of Stock [Line Items]
Common stock reserved for issuance	1,050,000
Shares approved for issuance under plan	1,050,000
Plan offering description	At the end of each designated offering period, which occurs every six months on February 15 and August 15, employees can elect to purchase shares of our common stock with contributions of up to 12% of their base pay, accumulated via payroll deductions, at an amount equal to 85% of the lower of our stock price on (i) the first day of the offering period, or (ii) the last day of the offering period.
Employee contributions to purchase Shares, percent of base pay accumulated	12%
Percentage of stock price under plan	85%
Expected dividends		$ 0

Stockholders' Equity - Schedule

Stockholders' Equity - Schedule of Non-vested Restricted Stock Units (Details) $ / shares in Units, $ in Thousands	12 Months Ended
	Sep. 30, 2024 USD ($) $ / shares shares
Time-Based Restricted Stock Units
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Non-vested, Shares, Beginning balance	2,372,145
Non-vested, Shares, Granted	2,289,140,000
Non-vested, Shares, Vested	(1,266,750,000)
Non-vested, Shares, Forfeited	(807,149,000)
Non-vested, Shares, Ending balance	2,587,386
Performance-Based Restricted Stock Units
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Non-vested, Shares, Beginning balance	1,145,550
Non-vested, Shares, Granted	454,718,000
Non-vested, Shares, Vested	(63,998,000)
Non-vested, Shares, Forfeited	(416,833,000)
Non-vested, Shares, Ending balance	1,119,437
Restricted Stock Units
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Non-vested, Shares, Beginning balance	3,517,695
Non-vested, Shares, Granted	2,743,858,000
Non-vested, Shares, Vested	(1,330,748,000)
Non-vested, Shares, Forfeited	(1,223,982,000)
Non-vested, Shares, Ending balance	3,706,823
Non-vested, Shares, Expected to vest	3,706,823
Non-vested, Weighted-Average Grant-Date Fair Value, Beginning balance | $ / shares	$ 32.52
Non-vested, Weighted-Average Grant-Date Fair Value, Granted | $ / shares	17.1
Non-vested, Weighted-Average Grant-Date Fair Value, Vested | $ / shares	35.89
Non-vested, Weighted-Average Grant-Date Fair Value, Forfeited | $ / shares	26.14
Non-vested, Weighted-Average Grant-Date Fair Value, Ending balance | $ / shares	23.51
Non-vested, Weighted-Average Grant-Date Fair Value, Expected to vest | $ / shares	$ 23.51
Non-vested, Weighted-Average Remaining Contractual Term (years), Expected to vest	10 months 13 days
Non-vested, Aggregate Intrinsic Value, Expected to vest | $	$ 11,639

Stockholders' Equity - Weighted

Stockholders' Equity - Weighted-Average Key Assumptions and Fair Value Results for Shares Issued under ESPP (Details) - Employee Stock Purchase Plan - $ / shares	12 Months Ended
	Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2022
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Expected dividend yield	0%	0%	0%
Risk-free interest rate	5.33%	3.95%	0.41%
Expected volatility	50.45%	65.71%	69.58%
Expected life (in years)	6 months	6 months	6 months
Weighted-average fair value of shares issued (per share)	$ 6.69	$ 9.73	$ 27.54

Stockholders' Equity - Quantiti

Stockholders' Equity - Quantities and Average Prices of Shares Issued Under the ESPP (Details) - Employee Stock Purchase Plan - $ / shares	12 Months Ended
	Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2022
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Shares issued under the ESPP	171,753	88,625	80,417
Average price of shares issued	$ 7.93	$ 20.58	$ 28.18

Stockholders' Equity - Schedu_2

Stockholders' Equity - Schedule of Stock-based Compensation (Details) - USD ($) $ in Thousands	12 Months Ended
	Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2022
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Stock-based compensation	$ 23,673	$ 40,766	$ 28,076
Cost of Connected Services
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Stock-based compensation	288	445	499
Cost of Professional Services
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Stock-based compensation	2,345	3,258	3,267
Research and Development
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Stock-based compensation	10,449	17,167	10,196
Sales and Marketing
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Stock-based compensation	2,199	3,454	3,569
General and Administrative
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Stock-based compensation	$ 8,392	$ 16,442	6,545
Restructuring and Other Costs, Net
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Stock-based compensation			$ 4,000

Commitments and Contingencies -

Commitments and Contingencies - Additional Information (Details)				12 Months Ended
	Aug. 14, 2024 USD ($)	Jul. 10, 2024 Patent	Mar. 24, 2023 USD ($)	Sep. 30, 2024 USD ($)
Loss Contingencies [Line Items]
Settlement agreed to award	$ 30,000,000
Loss contingency, statutory damages			$ 5,000
Loss contingency, lawsuit filing date			Mar. 24, 2023
Indemnification period for former officers and members of the boards of directors				6 years
Prepaid Expenses and Other Current Assets
Loss Contingencies [Line Items]
Receivable related to insurance proceeds				$ 30,000,000
Accrued Expenses and Other Current Liabilities
Loss Contingencies [Line Items]
Legal settlement liabilities				30,000,000
Patent No.1
Loss Contingencies [Line Items]
Loss contingency, patents allegedly infringed, number | Patent		10,395,657
Patent No.2
Loss Contingencies [Line Items]
Loss contingency, patents allegedly infringed, number | Patent		10,720,162
Patent No.3
Loss Contingencies [Line Items]
Loss contingency, patents allegedly infringed, number | Patent		11,823,682
Patent No.4
Loss Contingencies [Line Items]
Loss contingency, patents allegedly infringed, number | Patent		9,583,103
Negligent Violation
Loss Contingencies [Line Items]
Loss contingency, statutory damages			$ 1,000
Other Facility
Loss Contingencies [Line Items]
Letter of credit as security deposit				$ 600,000

Pension and Other Post-Retire_2

Pension and Other Post-Retirement Benefits - Additional Information (Details) - USD ($) $ in Millions	12 Months Ended
	Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2022
Defined Benefit Plan Disclosure [Line Items]
Defined contribution plans, employer matching contribution, percentage	50%
Defined contribution plans, employer matching contribution of eligible salary, percentage	6%
Defined contribution plans, charges incurred	$ 0.5	$ 0.5	$ 0.5
Pension Plans
Defined Benefit Plan Disclosure [Line Items]
Defined benefit plans, pension expenses	0.3	0.5	0.5
Defined benefit plans, benefit obligation	12.2	11.8	10.4
Defined benefit plans, Net liability	6.2	$ 5.5	$ 4.9
Defined Benefit Plans, Settlement And Curtailment	$ 0.4

Relationship with Parent and _2

Relationship with Parent and Related Entities - Additional Information (Details)	12 Months Ended
	Sep. 30, 2024 Agreement
OEM and Distribution License Agreements
Relationship With Parent And Related Entities Disclosure [Line Items]
Number of license agreements	4

Income Taxes - Components of (L

Income Taxes - Components of (Loss) Income Before Income Taxes (Details) - USD ($) $ in Thousands	12 Months Ended
	Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2022
Income Tax Disclosure [Abstract]
Domestic	$ (524,632)	$ (24,524)	$ (168,452)
Foreign	(59,978)	(11,865)	(30,299)
Loss before income taxes	$ (584,610)	$ (36,389)	$ (198,751)

Income Taxes - Components of Pr

Income Taxes - Components of Provision for Income Taxes (Details) - USD ($) $ in Thousands	12 Months Ended
	Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2022
Current:
Federal	$ (561)	$ 611	$ 12
State	32	38	15
Foreign	8,655	11,619	14,761
Total current	8,126	12,268	14,788
Deferred:
Federal	(4,596)	7,941	(6,823)
State	219	(1,164)	218
Foreign	(281)	820	103,892
Total deferred	(4,658)	7,597	97,287
Provision for income taxes	$ 3,468	$ 19,865	$ 112,075
Effective income tax rate	(0.60%)	(54.60%)	(56.40%)

Income Taxes - Schedule of Prov

Income Taxes - Schedule of Provision for Income Taxes Differed from the Amount Computed by Applying Federal Statutory Rate (Details) - USD ($) $ in Thousands	12 Months Ended
	Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2022
Income Tax Disclosure [Abstract]
Federal tax provision at statutory rate	$ (122,768)	$ (7,633)	$ (41,738)
State tax, net of federal benefit	199	(890)	185
Foreign tax rate and other foreign related tax items	3,230	3,203	920
Uncertain tax positions	1,681	4,202	25
Stock-based compensation	1,953	4,734	(15,020)
Global intangible low-taxed income	(1,601)	7,464	(554)
Goodwill impairment	114,863		39,933
Change in valuation allowance	(1,763)	27,101	128,034
Executive compensation	183	991	885
Non-deductible expenditures	835	211	210
R&D credits	(1,531)	(588)	(805)
Intangible property transfers		(18,930)
Capital losses	8,187
Provision for income taxes	$ 3,468	$ 19,865	$ 112,075

Income Taxes - Additional Infor

Income Taxes - Additional Information (Details) - USD ($) $ in Thousands	12 Months Ended
	Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2022	Jun. 30, 2022
Income Taxes [Line Items]
U.S. federal statutory rates	21%	21%	21%
Income tax expense (benefit)	$ 3,468	$ 19,865	$ 112,075
Deferred tax assets valuation allowance	167,314	162,966
Uncertain tax positions	87,400	85,172	76,590
Uncertain tax positions cumulative translation adjustments	4,000	5,000
Deferred Tax Assets Net	50,820	46,039
Increases related to tax positions taken from prior periods	216
Interest related to uncertain tax positions	1,300	600	$ (300)
Recognized interest income	$ 5,600	4,200
Minimum
Income Taxes [Line Items]
Operating loss carryforwards expiration year	2026
Minimum | Research and Development
Income Taxes [Line Items]
Operating loss carryforwards expiration year	2025
Maximum | Research and Development
Income Taxes [Line Items]
Operating loss carryforwards expiration year	2041
U.S. Federal | Research and Development
Income Taxes [Line Items]
Net operating loss carryforwards	$ 7,000	7,600
Uncertain tax positions	5,200	7,400
State
Income Taxes [Line Items]
Net operating loss carryforwards	9,800	8,400
State | Research and Development
Income Taxes [Line Items]
Net operating loss carryforwards	300	300
Netherlands
Income Taxes [Line Items]
Net operating loss carryforwards	360,700	350,500
Domestic
Income Taxes [Line Items]
Deferred Tax Assets Net		8,200
Foreign
Income Taxes [Line Items]
Deferred tax assets valuation allowance	167,300
Net operating loss carryforwards	433,600	385,800
Uncertain tax positions	270,200	256,000
Deferred Tax Assets Net		154,800
Foreign | Research and Development
Income Taxes [Line Items]
Net operating loss carryforwards	$ 7,200	$ 5,500
Foreign Jurisdiction
Income Taxes [Line Items]
Deferred tax assets valuation allowance				$ 107,600

Income Taxes - Schedule of Defe

Income Taxes - Schedule of Deferred Tax Assets (Liabilities) (Details) - USD ($) $ in Thousands	Sep. 30, 2024	Sep. 30, 2023
Deferred tax assets:
Net operating loss carryforwards	$ 40,155	$ 31,026
Capital loss carryforwards		8,187
Federal credit carryforwards	7,380	4,487
Accrued expenses and other reserves	3,119	4,620
Deferred revenue	37,508	52,513
Acquired intangibles	110,844	104,634
Interest limitations carryforward	9,456	10,997
Operating lease liabilities	3,714	4,493
Depreciation	25,394	13,152
Deferred compensation	1,028	1,851
Pension obligation	462	852
Other	3,873	4,148
Total deferred tax assets	242,933	240,960
Valuation allowance for deferred tax assets	(167,314)	(162,966)
Deferred tax assets	75,619	77,994
Deferred tax liabilities:
Depreciation	(5,006)	(5,697)
Acquired intangibles	(6,889)	(11,707)
Operating lease right-of-use assets	(3,557)	(3,896)
Deferred costs	(7,691)	(8,489)
Other	(1,656)	(2,166)
Total deferred tax liabilities	(24,799)	(31,955)
Net deferred tax assets	$ 50,820	$ 46,039

Income Taxes - Aggregate Change

Income Taxes - Aggregate Changes in Balance of Gross Unrecognized Tax Benefits (Details) - USD ($) $ in Thousands	12 Months Ended
	Sep. 30, 2024	Sep. 30, 2023
Income Tax Disclosure [Abstract]
Balance at the beginning of the year	$ 85,172	$ 76,590
Beginning balance adjustment	4,018	4,977
Increases related to tax positions taken from prior periods	216
Decreases related to tax positions taken from prior periods	(2,272)	(1,476)
Increases related to tax positions taken during current period	484	5,382
Decreases for tax settlements and lapse in statutes	(218)	(301)
Balance at the end of the year	$ 87,400	$ 85,172

Long-Term Debt - Schedule of Lo

Long-Term Debt - Schedule of Long-Term Debt (Details) - USD ($)			12 Months Ended
	Jun. 26, 2023	Jun. 02, 2020	Sep. 30, 2024	Sep. 30, 2023
Debt Instrument [Line Items]
Principal			$ 297,500,000	$ 297,500,000
Unamortized discount			(2,777,000)	(3,796,000)
Deferred issuance costs			(12,817,000)	(17,753,000)
Total debt			281,906,000	275,951,000
Less: current portion of long-term debt			(87,094,000)
Total long-term debt			$ 194,812,000	$ 275,951,000
3.00% Convertible Senior Notes Due 2025
Debt Instrument [Line Items]
Maturity date		Jun. 01, 2025	Jun. 01, 2025	Jun. 01, 2025
Convertible debt coupon rate		3%	3%	3%
Effective interest rate			3.70%	3.70%
Principal		$ 175,000,000	$ 87,500,000	$ 87,500,000
Deferred issuance costs			(406,000)	(992,000)
Total debt			87,094,000	$ 86,508,000
Less: current portion of long-term debt			(87,094,000)
Total long-term debt			$ 74,121,000
1.50% Convertible Senior Notes Due 2025
Debt Instrument [Line Items]
Maturity date			Jul. 01, 2028	Jul. 01, 2028
Convertible debt coupon rate			1.50%	1.50%
Effective interest rate			8.55%	8.75%
Principal			$ 87,500,000	$ 87,500,000
Unamortized discount			(2,777,000)	(3,796,000)
Deferred issuance costs			(10,602,000)	(14,490,000)
Total debt			$ 74,121,000	$ 69,214,000
1.50% Convertible Senior Notes Due 2028
Debt Instrument [Line Items]
Maturity date	Jul. 01, 2028		Jul. 01, 2028	Jul. 01, 2028
Convertible debt coupon rate	1.50%		1.50%	1.50%
Effective interest rate			1.91%	1.91%
Principal	$ 190,000,000		$ 122,500,000	$ 122,500,000
Deferred issuance costs			(1,809,000)	(2,271,000)
Total debt			120,691,000	$ 120,229,000
Total long-term debt			$ 120,691,000

Long-Term Debt - Summary of Mat

Long-Term Debt - Summary of Maturities of Borrowing Obligations (Details) - USD ($) $ in Thousands	Sep. 30, 2024	Sep. 30, 2023
Debt Instrument [Line Items]
2025	$ 87,500
2028	210,000
Total before unamortized discount and issuance costs and current portion	297,500
Less: unamortized discount and issuance costs	(15,594)
Less: current portion of long-term debt	(87,094)
Total long-term debt	194,812	$ 275,951
2028 Notes
Debt Instrument [Line Items]
2028	122,500
Total before unamortized discount and issuance costs and current portion	122,500
Less: unamortized discount and issuance costs	(1,809)
Total long-term debt	120,691
2025 Modified Notes
Debt Instrument [Line Items]
2025	87,500
2028	87,500
Total before unamortized discount and issuance costs and current portion	175,000
Less: unamortized discount and issuance costs	(13,785)
Less: current portion of long-term debt	(87,094)
Total long-term debt	$ 74,121

Long-Term Debt - Additional Inf

Long-Term Debt - Additional Information (Details)

3 Months Ended

9 Months Ended

12 Months Ended

Apr. 12, 2024 USD ($)

Jun. 26, 2023 USD ($) Days $ / shares shares

Nov. 22, 2022 USD ($)

Dec. 17, 2020

Jun. 12, 2020 USD ($)

Jun. 02, 2020 USD ($) Days $ / shares shares

Jun. 30, 2023 USD ($)

Dec. 31, 2023 USD ($)

Sep. 30, 2024 USD ($)

Sep. 30, 2023 USD ($)

Sep. 30, 2022 USD ($)

Jul. 03, 2023 USD ($)

Mar. 31, 2023 USD ($)

Debt Instrument [Line Items]

Aggregate principal amount

$ 297,500,000

$ 297,500,000

Loss on extinguishment of debt

(1,333,000)

Payment on debt issuance costs

419,000

17,176,000

Proceeds from issuance of notes

210,000,000

Long-Term Debt

281,906,000

275,951,000

Debt unamortized issuance costs, net

12,817,000

17,753,000

Debt, principal amount, net

297,500,000

Senior Credit Facilities

Debt Instrument [Line Items]

Pledge equity interests in foreign subsidiaries

65%

Minimum liquidity

$ 75,000,000

Debt instrument, covenant description

The Credit Agreement contains certain affirmative and negative covenants customary for financings of this type that, among other things, limit our and our subsidiaries’ ability to incur additional indebtedness or liens, to dispose of assets, to make certain fundamental changes, to designate subsidiaries as unrestricted, to make certain investments, to prepay certain indebtedness and to pay dividends, or to make other distributions or redemptions/repurchases, in respect of our and our subsidiaries’ equity interests. In addition, the Credit Agreement contains financial covenants, each tested quarterly, (1) a net secured leverage ratio of not greater than 3.25 to 1.00; (2) a net total leverage ratio of not greater than 4.25 to 1.00; and (3) minimum liquidity of at least $75 million. The Credit Agreement also contains events of default customary for financings of this type, including certain customary change of control events.

Amended Senior Credit Facilities

Debt Instrument [Line Items]

Debt Instrument, interest rate description

Amendment No. 1 revised certain interest rates in the Credit Agreement. Following delivery of a compliance certificate for the first full fiscal quarter after the Amendment No. 1 Effective Date, the applicable margins for the revolving credit and term facilities is subject to a pricing grid based upon the net total leverage ratio as follows (i) if the net total leverage ratio is greater than 3.00 to 1.00, the applicable margin is LIBOR plus 3.00% or ABR plus 2.00%; (ii) if the net total leverage ratio is less than or equal to 3.00 to 1.00 but greater than 2.50 to 1.00, the applicable margin is LIBOR plus 2.75% or ABR plus 1.75%; (iii) if the net total leverage ratio is less than or equal to 2.50 to 1.00 but greater than 2.00 to 1.00, the applicable margin is LIBOR plus 2.50% or ABR plus 1.50%; (iv) if the net total leverage ratio is less than or equal to 2.00 to 1.00 but greater than 1.50 to 1.00, the applicable margin is LIBOR plus 2.25% or ABR plus 1.25%; and (v) if the net total leverage ratio is less than or equal to 1.50 to 1.00, the applicable margin is LIBOR plus 2.20% or ABR plus 1.00%. As a result of Amendment No 1, the applicable LIBOR floor was reduced from 0.50% to 0.00%.

Description of unused line fee

In addition, the quarterly commitment fee required to be paid based on the unused portion of the Revolving Facility is subject to a pricing grid based upon the net total leverage ratio as follows (i) if the net total leverage ratio is greater than 3.00 to 1.00, the unused line fee is 0.500%; (ii) if the net total leverage ratio is less than or equal to 3.00 to 1.00 but greater than 2.50 to 1.00, the unused line fee is 0.450%; (iii) if the net total leverage ratio is less than or equal to 2.50 to 1.00 but greater than 2.00 to 1.00, the unused line fee is 0.400%; (iv) if the net total leverage ratio is less than or equal to 2.00 to 1.00 but greater than 1.50 to 1.00, the unused line fee is 0.350%; and (v) if the net total leverage ratio is less than or equal to 1.50 to 1.00, the unused line fee is 0.300%.

Amended Senior Credit Facilities | L I B O R

Debt Instrument [Line Items]

Debt Instrument, basis spread on variable rate

0%

0.50%

Credit Agreement Amendment Two

Debt Instrument [Line Items]

Debt Instrument, interest rate description

Amendment No. 2 revised certain interest rates in the Credit Agreement. The applicable margins for the revolving credit and term facilities is subject to a pricing grid based upon the net total leverage ratio as follows (i) if the net total leverage ratio is greater than 3.00 to 1.00, the applicable margin is SOFR plus 10 basis point credit spread adjustment plus 3.00% or ABR plus 2.00%; (ii) if the net total leverage ratio is less than or equal to 3.00 to 1.00 but greater than 2.50 to 1.00, the applicable margin is SOFR plus 10 basis point credit spread adjustment plus 2.75% or ABR plus 1.75%; (iii) if the net total leverage ratio is less than or equal to 2.50 to 1.00 but greater than 2.00 to 1.00, the applicable margin is SOFR plus 10 basis point credit spread adjustment plus 2.50% or ABR plus 1.50%; (iv) if the net total leverage ratio is less than or equal to 2.00 to 1.00 but greater than 1.50 to 1.00, the applicable margin is SOFR plus 10 basis point credit spread adjustment plus 2.25% or ABR plus 1.25%; and (v) if the net total leverage ratio is less than or equal to 1.50 to 1.00, the applicable margin is SOFR plus 10 basis point credit spread adjustment plus 2.20% or ABR plus 1.00%. During the covenant adjustment period, and until the delivery of a compliance certificate for the first full fiscal quarter after the covenant adjustment period, the applicable margin will be SOFR plus 10 basis point credit spread adjustment plus 3.00% or ABR plus 2.00%.

Minimum liquidity

$ 125,000,000

Maximum capital expenditures amount

$ 7,500,000

Payment of refinancing fees to lender

$ 400,000

Payment of refinancing fees to third party

$ 100,000

Credit Agreement Amendment Two | Base Rate

Debt Instrument [Line Items]

Debt Instrument, basis spread on variable rate

2%

Credit Agreement Amendment Two | SOFR

Debt Instrument [Line Items]

Debt Instrument, basis spread on variable rate

0.10%

Credit Agreement Amendment Two | SOFR plus Ten Basis Point Credit Spread Member

Debt Instrument [Line Items]

Debt Instrument, basis spread on variable rate

3%

Credit Agreement Amendment Three

Debt Instrument [Line Items]

Debt Instrument, interest rate description

Total interest expense relating to the Senior Credit Facilities for the fiscal year ended September 30, 2024, 2023 and 2022 was $0.4 million, $6.7 million, $4.3 million, respectively, reflecting the coupon and accretion of the discount.

Interest expense

$ 400,000

6,700,000

$ 4,300,000

Minimum liquidity

$ 50,000,000

Maximum capital expenditures amount

$ 10,000,000

Debt instrument maturity date description

Amendment No. 3 also modified the maturity date for the Revolving Facility. The Revolving Facility matures on April 1, 2026, provided that if on any date during the period commencing on the date which is 91 days prior to the maturity date of our 2025 Notes and any indebtedness incurred to refinance such notes that matures on or prior to July 1, 2026, and ending on July 1, 2026, the maturity date of such Early Maturity Debt has not been extended to a date after July 1, 2026 and we do not hold in a segregated deposit account an amount of cash sufficient to repay and discharge the principal amount of the Early Maturity Debt at maturity, then the Revolving Facility shall mature on the date that is 91 days prior to the maturity date of the Early Maturity Debt.

Credit Agreement Amendment Three | Base Rate

Debt Instrument [Line Items]

Debt Instrument, basis spread on variable rate

2%

Credit Agreement Amendment Three | SOFR

Debt Instrument [Line Items]

Debt Instrument, basis spread on variable rate

3%

Credit Agreement Amendment Three | One month SOFR

Debt Instrument [Line Items]

Debt Instrument, basis spread on variable rate

1%

Maximum

Debt Instrument [Line Items]

Percentage of the remaining cash flow of original instrument

10%

Maximum | Senior Credit Facilities

Debt Instrument [Line Items]

Net leverage ratio

4.25

Net secured leverage ratio

3.25%

Maximum | Credit Agreement Amendment Two

Debt Instrument [Line Items]

Net secured leverage ratio

4.25%

Maximum | Credit Agreement Amendment Three

Debt Instrument [Line Items]

Net secured leverage ratio

3%

1.50% Convertible Senior Notes Due 2028

Debt Instrument [Line Items]

Aggregate principal amount

$ 190,000,000

$ 122,500,000

122,500,000

Payment on debt issuance costs

2,400,000

Debt instrument convertible, if-converted value of the Notes less than its principal amount

$ 113,000,000

$ 61,200,000

Debt instrument, interest rate

1.50%

1.50%

1.50%

Debt Instrument, option to purchase additional principal amount

$ 20,000,000

Proceeds from issuance of notes

$ 193,200,000

Debt instrument, maturity date

Jul. 01, 2028

Jul. 01, 2028

Jul. 01, 2028

Debt instrument, convertible trading days | Days

20

Debt instrument, convertible consecutive trading days | Days

30

Debt instrument, convertible conversion price percentage

130%

Debt instrument, convertible principal amount

$ 1,000

Debt instrument, convertible maximum conversion price percentage

98%

Debt instrument, conversion initial rate | shares

24.5586

Debt instrument, convertible principal amount

$ 1,000

Debt instrument, conversion price | $ / shares

$ 40.72

Debt instrument, redemption price percentage of principal amount

100%

Debt instrument, sinking fund

$ 0

Debt instrument, percentage of repurchase principal amount

100%

Long-Term Debt

$ 120,691,000

$ 120,229,000

Debt unamortized issuance costs, net

1,809,000

2,271,000

Debt, principal amount, net

122,500,000

Unamortized issuance costs

1,800,000

1.50% Convertible Senior Notes Due 2028 | Additional Paid-in-Capital

Debt Instrument [Line Items]

Fair value of the embedded conversion feature

4,100,000

1.50% Convertible Senior Notes Due 2028 | Minimum

Debt Instrument [Line Items]

Debt instrument, convertible trading days | Days

20

Debt instrument, convertible conversion price percentage

130%

1.50% Convertible Senior Notes Due 2028 | Maximum

Debt Instrument [Line Items]

Debt instrument covenants, percentage of aggregate principal amount payable.

25%

3.00% Convertible Senior Notes Due 2025

Debt Instrument [Line Items]

Aggregate principal amount

$ 175,000,000

87,500,000

87,500,000

Debt instrument convertible, if-converted value of the Notes less than its principal amount

$ 160,900,000

$ 83,600,000

Debt instrument, interest rate

3%

3%

3%

Debt Instrument, option to purchase additional principal amount

$ 25,000,000

Proceeds from issuance of notes

$ 169,800,000

Debt instrument, maturity date

Jun. 01, 2025

Jun. 01, 2025

Jun. 01, 2025

Debt instrument, convertible trading days | Days

20

Debt instrument, convertible consecutive trading days | Days

30

Debt instrument, convertible conversion price percentage

130%

Debt instrument, convertible principal amount

$ 1,000

Debt instrument, convertible maximum conversion price percentage

98%

Debt instrument, conversion initial rate | shares

26.7271

Debt instrument, convertible principal amount

$ 1,000

Debt instrument, conversion price | $ / shares

$ 37.42

Debt instrument, redemption price percentage of principal amount

100%

Debt instrument, sinking fund

$ 0

Debt instrument, percentage of repurchase principal amount

100%

Debt instrument repurchase amount

$ 87,500,000

Long-Term Debt

87,094,000

$ 86,508,000

Debt unamortized issuance costs, net

406,000

992,000

Debt, principal amount, net

$ 175,000,000

3.00% Convertible Senior Notes Due 2025 | Minimum

Debt Instrument [Line Items]

Debt instrument, convertible trading days | Days

20

Debt instrument, convertible conversion price percentage

130%

Conversion feature percentage

10%

3.00% Convertible Senior Notes Due 2025 | Maximum

Debt Instrument [Line Items]

Debt instrument covenants, percentage of aggregate principal amount payable.

25%

1.50% Convertible Senior Notes Due 2025

Debt Instrument [Line Items]

Aggregate principal amount

$ 87,500,000

$ 87,500,000

Payment on debt issuance costs

$ 14,300,000

Debt instrument, interest rate

1.50%

1.50%

Debt instrument, maturity date

Jul. 01, 2028

Jul. 01, 2028

Long-Term Debt

$ 74,121,000

$ 69,214,000

Debt unamortized issuance costs, net

10,602,000

14,490,000

Payment of refinancing fees to lender

3,800,000

Four Year Senior Secured Term Loan Facility | Senior Credit Facilities

Debt Instrument [Line Items]

Debt instrument term

4 years

Credit facility maximum borrowing capacity

$ 125,000,000

Net proceeds from issuance of credit facility

123,000,000

Four Year Senior Secured Term Loan Facility | Amended Senior Credit Facilities

Debt Instrument [Line Items]

Debt instrument periodic payments equivalent percentage of annual amount on original principal amount during first two years

1.25%

Debt instrument periodic payments equivalent percentage of annual amount on original principal amount after two years

2.50%

Senior Secured First-lien Revolving Credit Facility | Senior Credit Facilities

Debt Instrument [Line Items]

Aggregate principal amount

$ 24,700,000

Debt repayment cost

106,300,000

Extinguishment of debt

104,900,000

Loss on extinguishment of debt

$ 1,300,000

Credit facility borrowed

0

$ 0

Credit facility maximum borrowing capacity

$ 50,000,000

Net Leverage Ratio Greater Than 3.00 | Amended Senior Credit Facilities

Debt Instrument [Line Items]

Net leverage ratio

3

Unused line fee percentage

50%

Net Leverage Ratio Greater Than 3.00 | Amended Senior Credit Facilities | L I B O R

Debt Instrument [Line Items]

Net leverage ratio

3

Debt Instrument, basis spread on variable rate

3%

Net Leverage Ratio Greater Than 3.00 | Amended Senior Credit Facilities | Base Rate

Debt Instrument [Line Items]

Debt Instrument, basis spread on variable rate

2%

Net Leverage Ratio Greater Than 3.00 | Credit Agreement Amendment Two

Debt Instrument [Line Items]

Net leverage ratio

3

Net Leverage Ratio Greater Than 3.00 | Credit Agreement Amendment Two | Base Rate

Debt Instrument [Line Items]

Debt Instrument, basis spread on variable rate

2%

Net Leverage Ratio Greater Than 3.00 | Credit Agreement Amendment Two | SOFR

Debt Instrument [Line Items]

Debt Instrument, basis spread on variable rate

0.10%

Net Leverage Ratio Greater Than 3.00 | Credit Agreement Amendment Two | SOFR plus Ten Basis Point Credit Spread Member

Debt Instrument [Line Items]

Debt Instrument, basis spread on variable rate

3%

Net Leverage Ratio Less Than or Equal to 3.00 but Greater Than 2.50 | Amended Senior Credit Facilities

Debt Instrument [Line Items]

Unused line fee percentage

45%

Net Leverage Ratio Less Than or Equal to 3.00 but Greater Than 2.50 | Amended Senior Credit Facilities | L I B O R

Debt Instrument [Line Items]

Debt Instrument, basis spread on variable rate

2.75%

Net Leverage Ratio Less Than or Equal to 3.00 but Greater Than 2.50 | Amended Senior Credit Facilities | Base Rate

Debt Instrument [Line Items]

Debt Instrument, basis spread on variable rate

1.75%

Net Leverage Ratio Less Than or Equal to 3.00 but Greater Than 2.50 | Credit Agreement Amendment Two | Base Rate

Debt Instrument [Line Items]

Debt Instrument, basis spread on variable rate

1.75%

Net Leverage Ratio Less Than or Equal to 3.00 but Greater Than 2.50 | Credit Agreement Amendment Two | SOFR

Debt Instrument [Line Items]

Debt Instrument, basis spread on variable rate

0.10%

Net Leverage Ratio Less Than or Equal to 3.00 but Greater Than 2.50 | Credit Agreement Amendment Two | SOFR plus Ten Basis Point Credit Spread Member

Debt Instrument [Line Items]

Debt Instrument, basis spread on variable rate

2.75%

Net Leverage Ratio Less Than or Equal to 3.00 but Greater Than 2.50 | Minimum | Amended Senior Credit Facilities

Debt Instrument [Line Items]

Net leverage ratio

2.50

Net Leverage Ratio Less Than or Equal to 3.00 but Greater Than 2.50 | Minimum | Credit Agreement Amendment Two

Debt Instrument [Line Items]

Net leverage ratio

2.5

Net Leverage Ratio Less Than or Equal to 3.00 but Greater Than 2.50 | Maximum | Amended Senior Credit Facilities

Debt Instrument [Line Items]

Net leverage ratio

3

Net Leverage Ratio Less Than or Equal to 3.00 but Greater Than 2.50 | Maximum | Credit Agreement Amendment Two

Debt Instrument [Line Items]

Net leverage ratio

3

Net Leverage Ratio Less Than or Equal to 2.50 but Greater Than 2.00 | Amended Senior Credit Facilities

Debt Instrument [Line Items]

Unused line fee percentage

40%

Net Leverage Ratio Less Than or Equal to 2.50 but Greater Than 2.00 | Amended Senior Credit Facilities | L I B O R

Debt Instrument [Line Items]

Debt Instrument, basis spread on variable rate

2.50%

Net Leverage Ratio Less Than or Equal to 2.50 but Greater Than 2.00 | Amended Senior Credit Facilities | Base Rate

Debt Instrument [Line Items]

Debt Instrument, basis spread on variable rate

1.50%

Net Leverage Ratio Less Than or Equal to 2.50 but Greater Than 2.00 | Credit Agreement Amendment Two | Base Rate

Debt Instrument [Line Items]

Debt Instrument, basis spread on variable rate

1.50%

Net Leverage Ratio Less Than or Equal to 2.50 but Greater Than 2.00 | Credit Agreement Amendment Two | SOFR

Debt Instrument [Line Items]

Debt Instrument, basis spread on variable rate

0.10%

Net Leverage Ratio Less Than or Equal to 2.50 but Greater Than 2.00 | Credit Agreement Amendment Two | SOFR plus Ten Basis Point Credit Spread Member

Debt Instrument [Line Items]

Debt Instrument, basis spread on variable rate

2.50%

Net Leverage Ratio Less Than or Equal to 2.50 but Greater Than 2.00 | Minimum | Amended Senior Credit Facilities

Debt Instrument [Line Items]

Net leverage ratio

2

Net Leverage Ratio Less Than or Equal to 2.50 but Greater Than 2.00 | Minimum | Credit Agreement Amendment Two

Debt Instrument [Line Items]

Net leverage ratio

2

Net Leverage Ratio Less Than or Equal to 2.50 but Greater Than 2.00 | Maximum | Amended Senior Credit Facilities

Debt Instrument [Line Items]

Net leverage ratio

2.50

Net Leverage Ratio Less Than or Equal to 2.50 but Greater Than 2.00 | Maximum | Credit Agreement Amendment Two

Debt Instrument [Line Items]

Net leverage ratio

2.5

Net Leverage Ratio Less Than or Equal to 2.00 but Greater Than 1.50 | Amended Senior Credit Facilities

Debt Instrument [Line Items]

Unused line fee percentage

35%

Net Leverage Ratio Less Than or Equal to 2.00 but Greater Than 1.50 | Amended Senior Credit Facilities | L I B O R

Debt Instrument [Line Items]

Debt Instrument, basis spread on variable rate

2.25%

Net Leverage Ratio Less Than or Equal to 2.00 but Greater Than 1.50 | Amended Senior Credit Facilities | Base Rate

Debt Instrument [Line Items]

Debt Instrument, basis spread on variable rate

1.25%

Net Leverage Ratio Less Than or Equal to 2.00 but Greater Than 1.50 | Credit Agreement Amendment Two | Base Rate

Debt Instrument [Line Items]

Debt Instrument, basis spread on variable rate

1.25%

Net Leverage Ratio Less Than or Equal to 2.00 but Greater Than 1.50 | Credit Agreement Amendment Two | SOFR

Debt Instrument [Line Items]

Debt Instrument, basis spread on variable rate

0.10%

Net Leverage Ratio Less Than or Equal to 2.00 but Greater Than 1.50 | Credit Agreement Amendment Two | SOFR plus Ten Basis Point Credit Spread Member

Debt Instrument [Line Items]

Debt Instrument, basis spread on variable rate

2.25%

Net Leverage Ratio Less Than or Equal to 2.00 but Greater Than 1.50 | Minimum | Amended Senior Credit Facilities

Debt Instrument [Line Items]

Net leverage ratio

1.50

Net Leverage Ratio Less Than or Equal to 2.00 but Greater Than 1.50 | Minimum | Credit Agreement Amendment Two

Debt Instrument [Line Items]

Net leverage ratio

1.5

Net Leverage Ratio Less Than or Equal to 2.00 but Greater Than 1.50 | Maximum | Amended Senior Credit Facilities

Debt Instrument [Line Items]

Net leverage ratio

2

Net Leverage Ratio Less Than or Equal to 2.00 but Greater Than 1.50 | Maximum | Credit Agreement Amendment Two

Debt Instrument [Line Items]

Net leverage ratio

2

Net Leverage Ratio Less Than or Equal to 1.50 | Amended Senior Credit Facilities

Debt Instrument [Line Items]

Net leverage ratio

1.50

Unused line fee percentage

30%

Net Leverage Ratio Less Than or Equal to 1.50 | Amended Senior Credit Facilities | L I B O R

Debt Instrument [Line Items]

Debt Instrument, basis spread on variable rate

2.20%

Net Leverage Ratio Less Than or Equal to 1.50 | Amended Senior Credit Facilities | Base Rate

Debt Instrument [Line Items]

Debt Instrument, basis spread on variable rate

1%

Net Leverage Ratio Less Than or Equal to 1.50 | Credit Agreement Amendment Two

Debt Instrument [Line Items]

Net leverage ratio

1.5

Net Leverage Ratio Less Than or Equal to 1.50 | Credit Agreement Amendment Two | Base Rate

Debt Instrument [Line Items]

Debt Instrument, basis spread on variable rate

1%

Net Leverage Ratio Less Than or Equal to 1.50 | Credit Agreement Amendment Two | SOFR

Debt Instrument [Line Items]

Debt Instrument, basis spread on variable rate

0.10%

Net Leverage Ratio Less Than or Equal to 1.50 | Credit Agreement Amendment Two | SOFR plus Ten Basis Point Credit Spread Member

Debt Instrument [Line Items]

Debt Instrument, basis spread on variable rate

2.20%

Modified Notes

Debt Instrument [Line Items]

Long-Term Debt

161,200,000

Debt unamortized issuance costs, net

$ 13,800,000

Period One June 30, 2024 | Credit Agreement Amendment Three

Debt Instrument [Line Items]

Minimum earnings before interest taxes depreciation and amortization

$ 5,000,000

Period Two September 30, 2024 | Credit Agreement Amendment Three

Debt Instrument [Line Items]

Minimum earnings before interest taxes depreciation and amortization

7,500,000

Period Three December 31, 2024 | Credit Agreement Amendment Three

Debt Instrument [Line Items]

Minimum earnings before interest taxes depreciation and amortization

20,000,000

Period Four March 31, 2025 | Credit Agreement Amendment Three

Debt Instrument [Line Items]

Minimum earnings before interest taxes depreciation and amortization

30,000,000

Period Five June 30, 2025 | Credit Agreement Amendment Three

Debt Instrument [Line Items]

Minimum earnings before interest taxes depreciation and amortization

35,000,000

Period Five September 30, 2025 | Credit Agreement Amendment Three

Debt Instrument [Line Items]

Minimum earnings before interest taxes depreciation and amortization

35,000,000

Period Six December 31, 2025 | Credit Agreement Amendment Three

Debt Instrument [Line Items]

Minimum earnings before interest taxes depreciation and amortization

40,000,000

Period Seven March 31, 2026 | Credit Agreement Amendment Three

Debt Instrument [Line Items]

Minimum earnings before interest taxes depreciation and amortization

$ 40,000,000

Long-Term Debt - Schedule of In

Long-Term Debt - Schedule of Interest Expense Related to Notes (Details) - 2028 and 2025 Notes - USD ($) $ in Thousands	12 Months Ended
	Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2022
Debt Instrument [Line Items]
Contractual interest expense	$ 5,776	$ 5,383	$ 5,246
Amortization of debt discount	1,019	258	3,755
Amortization of issuance costs	4,936	2,119	944
Total interest expense related to the Notes	$ 11,731	$ 7,760	$ 9,945