First American Financial (FAF) 10-Q 24 Oct 24 2024 Q3 Quarterly report Financial data

Document and Entity Information

Document and Entity Information - shares	9 Months Ended
	Sep. 30, 2024	Oct. 21, 2024
Cover [Abstract]
Document Type	10-Q
Amendment Flag	false
Document Period End Date	Sep. 30, 2024
Document Fiscal Year Focus	2024
Document Fiscal Period Focus	Q3
Trading Symbol	FAF
Entity Registrant Name	FIRST AMERICAN FINANCIAL CORPORATION
Entity Central Index Key	0001472787
Current Fiscal Year End Date	--12-31
Entity Filer Category	Large Accelerated Filer
Entity Small Business	false
Entity Emerging Growth Company	false
Entity Interactive Data Current	Yes
Entity Common Stock, Shares Outstanding		103,003,922
Entity Current Reporting Status	Yes
Entity Shell Company	false
Entity File Number	001-34580
Entity Tax Identification Number	26-1911571
Entity Address, Address Line One	1 First American Way
Entity Address, City or Town	Santa Ana
Entity Address, State or Province	CA
Entity Address, Postal Zip Code	92707-5913
City Area Code	714
Local Phone Number	250-3000
Title of 12(b) Security	Common stock, $0.00001 par value
Security Exchange Name	NYSE
Entity Incorporation, State or Country Code	DE
Document Quarterly Report	true
Document Transition Report	false

Condensed Consolidated Balance

Condensed Consolidated Balance Sheets (Unaudited) - USD ($) $ in Millions	Sep. 30, 2024	Dec. 31, 2023
Assets
Cash and cash equivalents	$ 2,953.4	$ 3,605.3
Accounts and accrued income receivable, less allowance for credit losses of $22.8 and $21.8	390.8	509.4
Income taxes receivable	54.5	75.7
Investments:
Deposits with banks	55.4	55.8
Debt securities (amortized cost of $7,256.7 and $7,895.2; pledged of $98.5 and $107.0)	7,015.3	7,157.5
Equity securities	725	735.6
Investments, Total	7,795.7	7,948.9
Secured financings receivable	984	636.5
Property and equipment, net	786.1	749.6
Operating lease assets	227	229.3
Title plants and other indexes	668.5	652.4
Deferred income taxes	50.1	50.1
Goodwill	1,810.7	1,807.5
Other intangible assets, net	134.6	153.8
Other assets	711	384.3
Total assets	16,566.4	16,802.8
Liabilities and Equity
Deposits	5,962	7,308
Accounts payable and accrued liabilities	897.2	879.5
Deferred revenue	210	196.8
Reserve for known and incurred but not reported claims	1,230	1,282.4
Income taxes payable	124.9	15.9
Deferred income taxes	63.6	63.6
Operating lease liabilities	242.2	246.6
Secured financings payable	878.2	553.3
Notes and contracts payable	1,847.7	1,393.9
Total liabilities	11,455.8	11,940
Commitments and contingencies (Note 17)
Stockholders’ equity:
Preferred stock, $0.00001 par value; Authorized—0.5 shares; Outstanding—none	0	0
Common stock, $0.00001 par value; Authorized-300.0 shares; Outstanding-103.0 shares and 103.1 shares	0	0
Additional paid-in capital	1,781.3	1,793.3
Retained earnings	3,601.4	3,710.6
Accumulated other comprehensive loss	(290.5)	(655.8)
Total stockholders’ equity	5,092.2	4,848.1
Noncontrolling interests	18.4	14.7
Total equity	5,110.6	4,862.8
Total liabilities and equity	$ 16,566.4	$ 16,802.8

Condensed Consolidated Balanc_2

Condensed Consolidated Balance Sheets (Unaudited) (Parenthetical) - USD ($) shares in Millions, $ in Millions	Sep. 30, 2024	Dec. 31, 2023
Statement of Financial Position [Abstract]
Accounts and accrued income receivable, allowances	$ 22.8	$ 21.8
Pledged securities included in debt securities	98.5	107
Debt securities, amortized cost	$ 7,256.7	$ 7,895.2
Preferred stock, par value	$ 0.00001	$ 0.00001
Preferred stock, shares authorized	0.5	0.5
Preferred stock, outstanding	0	0
Common stock, par value	$ 0.00001	$ 0.00001
Common stock, shares authorized	300	300
Common stock, shares outstanding	103	103.1

Condensed Consolidated Statemen

Condensed Consolidated Statements of Income (Unaudited) - USD ($) shares in Millions, $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2023
Revenues
Direct premiums and escrow fees	$ 639.6	$ 595.5	$ 1,773.2	$ 1,713
Agent premiums	683.9	664.5	1,864	1,879.6
Information and other	247.5	245.7	717.1	722.9
Net investment income	146.6	139.1	404.4	423.4
Net investment losses (realized of $(326.6), $(5.1), $(331.0), $(12.4))	(311.5)	(163.6)	(315.7)	(164.7)
Total revenues	1,406.1	1,481.2	4,443	4,574.2
Expenses
Personnel costs	523.6	485.8	1,517.5	1,487.9
Premiums retained by agents	546.7	531.4	1,486.7	1,496.8
Other operating expenses	279.8	273.8	822.6	804.8
Provision for policy losses and other claims	91.8	91.1	240.8	262.9
Depreciation and amortization	53.2	47.3	155.4	138.9
Premium taxes	19.2	17.7	48.6	47.7
Interest	36.2	35.8	105.9	99.2
Total expenses	1,550.5	1,482.9	4,377.5	4,338.2
(Loss) income before income taxes	(144.4)	(1.7)	65.5	236
Income tax (benefit) expense	(41)	(0.5)	5.8	54.8
Net (loss) income	(103.4)	(1.2)	59.7	181.2
Less: Net income (loss) attributable to noncontrolling interests	0.6	0.5	1	(1.5)
Net (loss) income attributable to the Company	$ (104)	$ (1.7)	$ 58.7	$ 182.7
Net (loss) income per share attributable to the Company's stockholders (Note 11):
Basic	$ (1)	$ (0.02)	$ 0.56	$ 1.75
Diluted	(1)	(0.02)	0.56	1.75
Cash dividends per share	$ 0.54	$ 0.53	$ 1.6	$ 1.57
Weighted-average common shares outstanding (Note 11):
Basic	103.6	104.2	103.9	104.4
Diluted	103.6	104.2	104.3	104.7

Condensed Consolidated Statem_2

Condensed Consolidated Statements of Income (Unaudited) (Parenthetical) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2023
Income Statement [Abstract]
Realized (losses) gains of net investment	$ (326.6)	$ (5.1)	$ (331)	$ (12.4)

Condensed Consolidated Statem_3

Condensed Consolidated Statements of Comprehensive Income (Unaudited) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2023
Statement of Comprehensive Income [Abstract]
Net (loss) income	$ (103.4)	$ (1.2)	$ 59.7	$ 181.2
Other comprehensive income (loss), net of tax:
Change in unrealized losses on debt securities	424.2	(171.6)	367.8	(141.2)
Change in foreign currency translation adjustment	14.5	(14.4)	(3.8)	(0.6)
Change in pension benefit adjustment	0.5	0.4	1.3	1.1
Total other comprehensive income (loss), net of tax	439.2	(185.6)	365.3	(140.7)
Comprehensive income (loss)	335.8	(186.8)	425	40.5
Less: Comprehensive income (loss) attributable to noncontrolling interests	0.6	0.5	1	(1.5)
Comprehensive income (loss) attributable to the Company	$ 335.2	$ (187.3)	$ 424	$ 42

Condensed Consolidated Statem_4

Condensed Consolidated Statements of Stockholders Equity (Unaudited) - USD ($) shares in Millions, $ in Millions	Total	Common Stock	Additional Paid-in Capital	Retained Earnings	Accumulated Other Comprehensive Income (Loss)	Total stockholders' equity	Noncontrolling Interests
Balance at Dec. 31, 2022	$ 4,681.2	$ 0	$ 1,812.4	$ 3,714.3	$ (868.9)	$ 4,657.8	$ 23.4
Balance, Shares at Dec. 31, 2022		103.2
Net income (loss)	46	$ 0	0	45.9	0	45.9	0.1
Dividends on common shares	(53.8)	0	0	(53.8)	0	(53.8)	0
Repurchases of Company shares	(30.4)	$ 0	(30.4)	0	0	(30.4)	0
Repurchases of Company shares, shares		(0.6)
Shares issued in connection with share-based compensation	(6)	$ 0	(4.9)	(1.1)	0	(6)	0
Shares issued in connection with share-based compensation, shares		0.7
Share-based compensation	23	$ 0	23	0	0	23	0
Net activity related to noncontrolling interests	(1.1)	0	0	0	0	0	(1.1)
Other comprehensive income (loss)	113	0	0	0	113	113	0
Balance at Mar. 31, 2023	4,771.9	$ 0	1,800.1	3,705.3	(755.9)	4,749.5	22.4
Balance, Shares at Mar. 31, 2023		103.3
Balance at Dec. 31, 2022	4,681.2	$ 0	1,812.4	3,714.3	(868.9)	4,657.8	23.4
Balance, Shares at Dec. 31, 2022		103.2
Net income (loss)	181.2
Other comprehensive income (loss)	(140.7)
Balance at Sep. 30, 2023	4,535	$ 0	1,797.8	3,732	(1,009.6)	4,520.2	14.8
Balance, Shares at Sep. 30, 2023		103.3
Balance at Mar. 31, 2023	4,771.9	$ 0	1,800.1	3,705.3	(755.9)	4,749.5	22.4
Balance, Shares at Mar. 31, 2023		103.3
Net income (loss)	136.4	$ 0	0	138.5	0	138.5	(2.1)
Dividends on common shares	(53.6)	0	0	(53.6)	0	(53.6)	0
Repurchases of Company shares	(15.3)	$ 0	(15.3)	0	0	(15.3)	0
Repurchases of Company shares, shares		(0.2)
Shares issued in connection with share-based compensation	5	$ 0	6	(1)	0	5	0
Shares issued in connection with share-based compensation, shares		0.1
Share-based compensation	9	$ 0	9	0	0	9	0
Net activity related to noncontrolling interests	(5.4)	0	0.4	0	0	0.4	(5.8)
Other comprehensive income (loss)	(68.1)	0	0	0	(68.1)	(68.1)	0
Balance at Jun. 30, 2023	4,779.9	$ 0	1,800.2	3,789.2	(824)	4,765.4	14.5
Balance, Shares at Jun. 30, 2023		103.2
Net income (loss)	(1.2)	$ 0	0	(1.7)	0	(1.7)	0.5
Dividends on common shares	(54.7)	0	0	(54.7)	0	(54.7)	0
Repurchases of Company shares	(9.3)	$ 0	(9.3)	0	0	(9.3)	0
Repurchases of Company shares, shares		(0.2)
Shares issued in connection with share-based compensation	(2.8)	$ 0	(2)	(0.8)	0	(2.8)	0
Shares issued in connection with share-based compensation, shares		0.3
Share-based compensation	8.9	$ 0	8.9	0	0	8.9	0
Net activity related to noncontrolling interests	(0.2)	0	0	0	0	0	(0.2)
Other comprehensive income (loss)	(185.6)	0	0	0	(185.6)	(185.6)	0
Balance at Sep. 30, 2023	4,535	$ 0	1,797.8	3,732	(1,009.6)	4,520.2	14.8
Balance, Shares at Sep. 30, 2023		103.3
Balance at Dec. 31, 2023	$ 4,862.8	$ 0	1,793.3	3,710.6	(655.8)	4,848.1	14.7
Balance, Shares at Dec. 31, 2023	103.1	103.1
Net income (loss)	$ 46.7	$ 0	0	46.7	0	46.7	0
Dividends on common shares	(54.9)	0	0	(54.9)	0	(54.9)	0
Repurchases of Company shares	(3.5)	$ 0	(3.5)	0	0	(3.5)	0
Repurchases of Company shares, shares		(0.1)
Shares issued in connection with share-based compensation	(8)	$ 0	(7.2)	(0.8)	0	(8)	0
Shares issued in connection with share-based compensation, shares		0.7
Share-based compensation	23.4	$ 0	23.4	0	0	23.4	0
Net activity related to noncontrolling interests	4.1	0	0	0	0	0	4.1
Other comprehensive income (loss)	(64.7)	0	0	0	(64.7)	(64.7)	0
Balance at Mar. 31, 2024	4,805.9	$ 0	1,806	3,701.6	(720.5)	4,787.1	18.8
Balance, Shares at Mar. 31, 2024		103.7
Balance at Dec. 31, 2023	$ 4,862.8	$ 0	1,793.3	3,710.6	(655.8)	4,848.1	14.7
Balance, Shares at Dec. 31, 2023	103.1	103.1
Net income (loss)	$ 59.7
Other comprehensive income (loss)	365.3
Balance at Sep. 30, 2024	$ 5,110.6	$ 0	1,781.3	3,601.4	(290.5)	5,092.2	18.4
Balance, Shares at Sep. 30, 2024	103	103
Balance at Mar. 31, 2024	$ 4,805.9	$ 0	1,806	3,701.6	(720.5)	4,787.1	18.8
Balance, Shares at Mar. 31, 2024		103.7
Net income (loss)	116.4	$ 0	0	116	0	116	0.4
Dividends on common shares	(54.7)	0	0	(54.7)	0	(54.7)	0
Repurchases of Company shares	(40.7)	$ 0	(40.7)	0	0	(40.7)	0
Repurchases of Company shares, shares		(0.7)
Shares issued in connection with share-based compensation	5.7	$ 0	6.7	(1)	0	5.7	0
Shares issued in connection with share-based compensation, shares		0.1
Share-based compensation	9.4	$ 0	9.4	0	0	9.4	0
Net activity related to noncontrolling interests	(0.2)	0	0	0	0	0	(0.2)
Other comprehensive income (loss)	(9.2)	0	0	0	(9.2)	(9.2)	0
Balance at Jun. 30, 2024	4,832.6	$ 0	1,781.4	3,761.9	(729.7)	4,813.6	19
Balance, Shares at Jun. 30, 2024		103.1
Net income (loss)	(103.4)	$ 0	0	(104)	0	(104)	0.6
Dividends on common shares	(55.6)	0	0	(55.6)	0	(55.6)	0
Repurchases of Company shares	(16.1)	$ 0	(16.1)	0	0	(16.1)	0
Repurchases of Company shares, shares		(0.3)
Shares issued in connection with share-based compensation	5.2	$ 0	6.1	(0.9)	0	5.2	0
Shares issued in connection with share-based compensation, shares		0.2
Share-based compensation	9.7	$ 0	9.7	0	0	9.7	0
Net activity related to noncontrolling interests	(1)	0	0.2	0	0	0.2	(1.2)
Other comprehensive income (loss)	439.2	0	0	0	439.2	439.2	0
Balance at Sep. 30, 2024	$ 5,110.6	$ 0	$ 1,781.3	$ 3,601.4	$ (290.5)	$ 5,092.2	$ 18.4
Balance, Shares at Sep. 30, 2024	103	103

Condensed Consolidated Statem_5

Condensed Consolidated Statement of Cash Flows (Unaudited) - USD ($) $ in Millions	9 Months Ended
	Sep. 30, 2024	Sep. 30, 2023
Cash flows from operating activities:
Net income	$ 59.7	$ 181.2
Adjustments to reconcile net income to cash provided by operating activities:
Provision for policy losses and other claims	240.8	262.9
Depreciation and amortization	155.4	138.9
Amortization of premiums and accretion of discounts on debt securities, net	5.1	5.6
Net investment losses	315.7	164.7
Share-based compensation	42.5	40.9
Equity in earnings of affiliates, net	(5.5)	(4)
Dividends from equity method investments	4.6	5
Changes in assets and liabilities excluding effects of acquisitions and noncash transactions:
Claims paid, including assets acquired, net of recoveries	(295.9)	(289.1)
Net change in income tax accounts	1.9	33
Decrease (increase) in accounts and accrued income receivable	111.8	(16.7)
Decrease in accounts payable and accrued liabilities	(31.7)	(113.2)
Increase in deferred revenue	13.3	10.9
Other, net	(44.8)	(24.1)
Cash provided by operating activities	572.9	396
Cash flows from investing activities:
Acquisitions/dispositions, net of cash acquired/divested	(6.1)	(19.1)
Net decrease in deposits with banks	0.2	6.1
Purchases of debt securities	(5,289.1)	(994.4)
Proceeds from sales of debt securities	4,938.1	1,081.7
Proceeds from maturities of debt securities	409.6	659.3
Purchases of equity securities	(41.6)	(164)
Proceeds from sales of equity securities	68.6	61.1
Net change in other investments	(5.5)	(10.8)
Advances under secured financing agreements	(19,974.5)	(10,109.3)
Collections of secured financings receivable	19,630.6	9,877.3
Capital expenditures	(159.9)	(205.3)
Proceeds from sales of property and equipment		0.1
Proceeds from insurance settlement	4	2.1
Cash (used for) provided by investing activities	(425.6)	184.8
Cash flows from financing activities:
Net change in deposits	(1,346)	93.4
Borrowings under secured financing agreements	19,489.8	10,069.4
Repayments of secured financings payable	(19,165)	(9,905.3)
Net proceeds from issuance of unsecured senior notes	444.1
Repayment of senior unsecured notes		(250)
Repayments of other notes and contracts payable	(3.4)	(4.9)
Net activity related to noncontrolling interests	2.9	(6.6)
Net proceeds (payments) in connection with share-based compensation	2.9	(3.8)
Repurchases of Company shares	(60.3)	(55)
Payments of cash dividends	(165.2)	(162.1)
Cash used for financing activities	(800.2)	(224.9)
Effect of exchange rate changes on cash	1	(0.3)
Net (decrease) increase in cash and cash equivalents	(651.9)	355.6
Cash and cash equivalents—Beginning of period	3,605.3	1,223.5
Cash and cash equivalents—End of period	2,953.4	1,579.1
Supplemental information:
Interest	109.4	88.9
Premium taxes	47.5	71
Income taxes paid	16.9	22.1
Income tax refunds	$ (13)	$ (0.4)

Pay vs Performance Disclosure

Pay vs Performance Disclosure - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2023
Pay vs Performance Disclosure
Net Income (Loss)	$ (104)	$ (1.7)	$ 58.7	$ 182.7

Insider Trading Arrangements

Insider Trading Arrangements	3 Months Ended
	Sep. 30, 2024
Trading Arrangements, by Individual
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

Basis of Condensed Consolidated

Basis of Condensed Consolidated Financial Statements	9 Months Ended
	Sep. 30, 2024
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Basis of Condensed Consolidated Financial Statements	Note 1 – Basis of Condensed Consolidated Financial Statements Basis of Presentation The condensed consolidated financial information included in this report has been prepared in accordance with U.S. generally accepted accounting principles (“GAAP”) for interim financial information and Article 10 of Securities and Exchange Commission Regulation S-X. The principles for condensed interim financial information do not require the inclusion of all the information and footnotes required by GAAP for complete financial statements. Therefore, these financial statements should be read in conjunction with the First American Financial Corporation (the “Company”) Annual Report on Form 10-K for the year ended December 31, 2023. The condensed consolidated financial statements included herein are unaudited; however, in the opinion of management, they contain all normal recurring adjustments necessary for a fair statement of the consolidated results for the interim periods. All material intercompany transactions and balances have been eliminated upon consolidation. Out-of-period adjustment During the first quarter of 2024, the Company identified certain uncollectible balances related to fees within its title insurance and services segment, which primarily related to reporting periods in 2023 and prior, that should have been previously written off. To correct for this error, the Company recorded an adjustment, which increased other operating expenses and increased accounts payable and accrued liabilities by $ 6.2 million. Recently Adopted Accounting Pronouncements In June 2022, the Financial Accounting Standards Board (“FASB”) issued updated guidance intended to increase the comparability of financial information across reporting entities that have investments in equity securities measured at fair value that are subject to contractual restrictions preventing the sale of those securities. The updated guidance clarified that a contractual restriction on the sale of an equity security is not considered part of the unit of account of the equity security and, as a result, should not be considered in measuring fair value. In addition, new disclosures are required about the nature of the restrictions and their remaining duration. The updated guidance, which was adopted on January 1, 2024, had no impact on the Company's condensed consolidated financial statements. Pending Accounting Pronouncements In December 2023, the FASB issued updated guidance intended to enhance the transparency and decision usefulness of income tax disclosures. The updated guidance requires disclosure of specific categories and greater disaggregation of information included in the rate reconciliation and additional disclosures related to income taxes paid. The updated guidance is effective for annual reporting periods beginning after December 15, 2024. Except for the disclosure requirements, the Company does not expect the adoption of this guidance to have a material impact on its condensed consolidated financial statements. In November 2023, the FASB issued updated guidance intended to improve financial reporting by requiring disclosure of incremental segment information to enable investors to develop more decision-useful financial analyses. The updated guidance improves reportable segment disclosure requirements, primarily through enhanced disclosures about significant segment expenses. The updated guidance is effective for annual reporting periods beginning after December 15, 2023 and for interim periods within fiscal years beginning after December 15, 2024, with early adoption permitted. The amendments in this update are required to applied retrospectively to all periods presented in the financial statements. Except for the disclosure requirements, the Company does not expect the adoption of this guidance to have a material impact on its condensed consolidated financial statements. In August 2023, the FASB issued updated guidance that is intended to provide decision-useful information to investors and reduce diversity in practice in accounting for contributions made to a joint venture, upon formation, in a joint venture’s separate financial statements. The updated guidance will require joint ventures to recognize and initially measure their assets and liabilities at fair value, with certain exceptions to fair value measurement consistent with business combination guidance. The updated guidance is effective prospectively for all joint venture formations with a formation date on or after January 1, 2025, with early adoption permitted. The Company does not expect the adoption of this guidance to have a material impact on its condensed consolidated financial statements.

Trust Assets, Escrow and Other

Trust Assets, Escrow and Other Deposits	9 Months Ended
	Sep. 30, 2024
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Trust Assets, Escrow and Other Deposits	Note 2 –Trust Assets, Escrow and Other Deposits The Company administers escrow deposits as a service to customers in its direct title operations. Escrow deposits totaled $ 9.0 billion and $ 10.6 billion at September 30, 2024 and December 31, 2023, respectively, of which $ 4.6 billion and $ 6.3 billion, respectively, were held at First American Trust, FSB (“FA Trust”). The remaining deposits were held at third-party financial institutions. Escrow deposits held at third-party financial institutions are not considered assets of the Company and, therefore, are not included in the accompanying condensed consolidated balance sheets. All such amounts are placed in deposit accounts insured, up to applicable limits, by the Federal Deposit Insurance Corporation. The Company could be held contingently liable for the disposition of these assets. Trust assets administered by FA Trust totaled $ 4.8 billion and $ 4.4 billion at September 30, 2024 and December 31, 2023, respectively, of which $ 155.2 million and $ 197.1 million, respectively, were held at FA Trust. The remaining trust assets were held at third-party financial institutions. Trust assets administered by FA Trust and held at third-party institutions are fiduciary client assets. As such, these trust assets are not considered assets of the Company and, therefore, are not included in the accompanying condensed consolidated balance sheets. The Company could be held contingently liable if FA Trust were to breach any of its fiduciary duties. In conducting its operations, the Company often holds customers’ assets in escrow, pending completion of real estate transactions and, as a result, the Company has ongoing programs for realizing economic benefits with various financial institutions. The results from these programs are included as either income or as a reduction in expense, as appropriate, in the condensed consolidated statements of income based on the nature of the arrangement and benefit received. The Company facilitates tax-deferred property exchanges for customers pursuant to Section 1031 of the Internal Revenue Code and tax-deferred reverse exchanges pursuant to Revenue Procedure 2000-37. As a facilitator and intermediary, the Company holds the proceeds from sales transactions and takes temporary title to property identified by the customer to be acquired with such proceeds. Upon the completion of each such exchange, the identified property is transferred to the customer or, if the exchange does not take place, an amount equal to the sales proceeds or, in the case of a reverse exchange, title to the property held by the Company is transferred to the customer. Like-kind exchange funds administered by the Company totaled $ 2.0 billion and $ 1.8 billion at September 30, 2024 and December 31, 2023, respectively. The like-kind exchange deposits are held at third-party financial institutions and, due to the structure utilized to facilitate these transactions, the proceeds and property are not considered assets of the Company and, therefore, are not included in the accompanying condensed consolidated balance sheets. All such amounts are placed in deposit accounts insured, up to applicable limits, by the Federal Deposit Insurance Corporation. The Company could be held contingently liable to the customer for the transfers of property, disbursements of proceeds and the returns on such proceeds. In conducting its residential mortgage loan subservicing operations, the Company administers cash deposits on behalf of its clients. Cash deposits totaled $ 1.2 billion and $ 830.5 million at September 30, 2024 and December 31, 2023, respectively, of which $ 882.7 million and $ 485.7 million, respectively, were held at FA Trust. The remaining deposits were held at third-party financial institutions. Cash deposits held at third-party financial institutions are not considered assets of the Company and, therefore, are not included in the accompanying condensed consolidated balance sheets. All such amounts are placed in deposit accounts insured, up to applicable limits, by the Federal Deposit Insurance Corporation. The Company could be held contingently liable for the disposition of these assets. In connection with certain accounts, the Company has ongoing programs for realizing economic benefits with various financial institutions whereby it earns economic benefits either as income or as a reduction in expense. Deposit balances held at FA Trust are temporarily invested in cash and cash equivalents and debt securities, with offsetting liabilities included in deposits in the accompanying condensed consolidated balance sheets.

Debt Securities

Debt Securities	9 Months Ended
	Sep. 30, 2024
Debt Securities, Available-for-Sale [Abstract]
Debt Securities	Note 3 – Debt Securities Investments in debt securities, classified as available-for-sale, are as follows: Amortized Gross unrealized Estimated (in millions) cost Gains Losses fair value September 30, 2024 U.S. Treasury bonds $ 191.8 $ 1.6 $ ( 3.0 ) $ 190.4 Municipal bonds 777.2 9.5 ( 55.3 ) 731.4 Foreign government bonds 230.7 2.5 ( 6.6 ) 226.6 Governmental agency bonds 229.6 0.1 ( 7.7 ) 222.0 Governmental agency mortgage-backed securities 4,468.8 23.0 ( 205.9 ) 4,285.9 U.S. corporate debt securities 865.2 15.4 ( 16.1 ) 864.5 Foreign corporate debt securities 493.4 9.8 ( 8.7 ) 494.5 $ 7,256.7 $ 61.9 $ ( 303.3 ) $ 7,015.3 December 31, 2023 U.S. Treasury bonds $ 203.3 $ 0.5 $ ( 4.5 ) $ 199.3 Municipal bonds 1,373.7 8.8 ( 136.7 ) 1,245.8 Foreign government bonds 228.4 1.4 ( 10.5 ) 219.3 Governmental agency bonds 207.7 0.2 ( 12.5 ) 195.4 Governmental agency mortgage-backed securities 4,396.2 6.3 ( 526.8 ) 3,875.7 U.S. corporate debt securities 1,007.0 6.6 ( 55.2 ) 958.4 Foreign corporate debt securities 478.9 5.8 ( 21.1 ) 463.6 $ 7,895.2 $ 29.6 $ ( 767.3 ) $ 7,157.5 Sales of debt securities resulted in realized gains of $ 20.3 million and $ 21.4 million, realized losses of $ 346.9 million and $ 352.4 million and proceeds of $ 4.6 billion and $ 4.9 billion for the three and nine months ended September 30, 2024, respectively. Sales of debt securities resulted in realized gains of $ 0.1 million and $ 6.4 million, realized losses of $ 5.2 million and $ 18.8 million and proceeds of $ 178.7 million and $ 1.1 billion for the three and nine months ended September 30, 2023, respectively. During the third quarter of 2024, the Company initiated a strategic investment portfolio rebalancing project. In connection with its rebalancing project, the Company sold certain debt securities in an unrealized loss position, which resulted in realized losses of $ 345.4 million and proceeds of $ 2.8 billion. Investments in debt securities in an unrealized loss position, and their respective length of time in such position, are as follows: Less than 12 months 12 months or longer Total (in millions) Estimated Unrealized Estimated Unrealized Estimated Unrealized September 30, 2024 U.S. Treasury bonds $ 1.3 $ — $ 57.9 $ ( 3.0 ) $ 59.2 $ ( 3.0 ) Municipal bonds 49.7 ( 0.2 ) 455.5 ( 55.1 ) 505.2 ( 55.3 ) Foreign government bonds 10.4 — 78.2 ( 6.6 ) 88.6 ( 6.6 ) Governmental agency bonds 172.8 ( 0.4 ) 40.4 ( 7.3 ) 213.2 ( 7.7 ) Governmental agency mortgage-backed 1,351.7 ( 9.7 ) 1,419.2 ( 196.2 ) 2,770.9 ( 205.9 ) U.S. corporate debt securities 189.5 ( 0.7 ) 140.9 ( 15.4 ) 330.4 ( 16.1 ) Foreign corporate debt securities 68.4 ( 0.5 ) 140.6 ( 8.2 ) 209.0 ( 8.7 ) $ 1,843.8 $ ( 11.5 ) $ 2,332.7 $ ( 291.8 ) $ 4,176.5 $ ( 303.3 ) December 31, 2023 U.S. Treasury bonds $ 8.2 $ ( 0.1 ) $ 55.4 $ ( 4.4 ) $ 63.6 $ ( 4.5 ) Municipal bonds 107.4 ( 0.9 ) 956.8 ( 135.8 ) 1,064.2 ( 136.7 ) Foreign government bonds 33.3 ( 0.1 ) 101.4 ( 10.4 ) 134.7 ( 10.5 ) Governmental agency bonds 0.4 — 118.9 ( 12.5 ) 119.3 ( 12.5 ) Governmental agency mortgage-backed 338.3 ( 6.6 ) 3,225.3 ( 520.2 ) 3,563.6 ( 526.8 ) U.S. corporate debt securities 45.1 ( 0.4 ) 602.5 ( 54.8 ) 647.6 ( 55.2 ) Foreign corporate debt securities 19.3 ( 0.1 ) 267.3 ( 21.0 ) 286.6 ( 21.1 ) $ 552.0 $ ( 8.2 ) $ 5,327.6 $ ( 759.1 ) $ 5,879.6 $ ( 767.3 ) Based on the Company’s review of its debt securities in an unrealized loss position it determined that the losses were due to non-credit factors and, therefore, it does not consider these securities to be credit impaired at September 30, 2024. As of September 30, 2024, the Company did not intend to sell any debt securities in an unrealized loss position and it is not more likely than not that the Company will be required to sell any debt securities before recovery of their amortized cost basis. In determining credit losses on its debt securities in an unrealized loss position, the Company considers certain factors that may include, among others, severity of the unrealized loss, security type, industry sector, credit rating, yield to maturity, profitability and stock performance. In the normal course of operations, the Company may seek to optimize its investment portfolio and prospective investment returns by selling certain debt securities in an unrealized loss (or gain) position for which such unrealized loss or gain has been deferred in other comprehensive income. Sales of such debt securities could result in the realization of material gains or losses recorded in net income in the period the debt securities are sold. Investments in debt securities at September 30, 2024, by contractual maturities, are as follows: (in millions) Due in one Due after Due after Due after Total U.S. Treasury bonds Amortized cost $ 40.6 $ 133.8 $ 4.7 $ 12.7 $ 191.8 Estimated fair value $ 40.4 $ 132.7 $ 4.9 $ 12.4 $ 190.4 Municipal bonds Amortized cost 8.6 52.2 231.6 484.8 777.2 Estimated fair value 8.6 50.9 207.7 464.2 731.4 Foreign government bonds Amortized cost 17.0 136.7 70.3 6.7 230.7 Estimated fair value 16.9 138.8 64.8 6.1 226.6 Governmental agency bonds Amortized cost 8.5 76.4 99.8 44.9 229.6 Estimated fair value 8.5 76.4 99.3 37.8 222.0 U.S. corporate debt securities Amortized cost 13.6 495.3 272.0 84.3 865.2 Estimated fair value 13.6 497.7 275.0 78.2 864.5 Foreign corporate debt securities Amortized cost 34.2 299.7 129.7 29.8 493.4 Estimated fair value 34.0 301.9 130.8 27.8 494.5 Total debt securities (excluding mortgage-backed Amortized cost $ 122.5 $ 1,194.1 $ 808.1 $ 663.2 $ 2,787.9 Estimated fair value $ 122.0 $ 1,198.4 $ 782.5 $ 626.5 $ 2,729.4 Total mortgage-backed securities Amortized cost 4,468.8 Estimated fair value 4,285.9 Total debt securities Amortized cost $ 7,256.7 Estimated fair value $ 7,015.3 Mortgage-backed securities, which include contractual terms to maturity, are not categorized by contractual maturity as borrowers may have the right to call or prepay obligations with, or without, call or prepayment penalties. The composition of the debt securities portfolio at September 30, 2024, by credit rating, is as follows: A- or higher BBB+ to BBB- Non-Investment Grade Total (dollars in millions) Estimated Percentage Estimated Percentage Estimated Percentage Estimated U.S. Treasury bonds $ 190.4 100.0 % $ — — % $ — — % $ 190.4 Municipal bonds 708.9 97.0 20.8 2.8 1.7 0.2 731.4 Foreign government bonds 221.0 97.5 4.8 2.1 0.8 0.4 226.6 Governmental agency bonds 222.0 100.0 — — — — 222.0 Governmental agency mortgage- 4,285.9 100.0 — — — — 4,285.9 U.S. corporate debt securities 384.4 44.4 325.7 37.7 154.4 17.9 864.5 Foreign corporate debt securities 256.5 51.9 194.4 39.3 43.6 8.8 494.5 $ 6,269.1 89.3 % $ 545.7 7.8 % $ 200.5 2.9 % $ 7,015.3 Included in debt securities at September 30, 2024, were bank loans totaling $ 120.3 million, of which $ 111.5 million were non-investment grade; high yield corporate debt securities totaling $ 79.7 million, all of which were non-investment grade; and emerging market debt securities totaling $ 38.2 million, of which $ 7.6 million were non-investment grade. The composition of the debt securities portfolio in an unrealized loss position at September 30, 2024, by credit rating, is as follows: A- or higher BBB+ to BBB- Non-Investment Grade Total (dollars in millions) Estimated Percentage Estimated Percentage Estimated Percentage Estimated U.S. Treasury bonds $ 59.2 100.0 % $ — — % $ — — % $ 59.2 Municipal bonds 489.2 96.8 15.7 3.1 0.3 0.1 505.2 Foreign government bonds 86.5 97.6 1.3 1.5 0.8 0.9 88.6 Governmental agency bonds 213.2 100.0 — — — — 213.2 Governmental agency mortgage- 2,770.9 100.0 — — — — 2,770.9 U.S. corporate debt securities 154.5 46.8 136.9 41.4 39.0 11.8 330.4 Foreign corporate debt securities 118.6 56.7 77.5 37.1 12.9 6.2 209.0 $ 3,892.1 93.2 % $ 231.4 5.5 % $ 53.0 1.3 % $ 4,176.5 Debt securities in an unrealized loss position at September 30, 2024, included bank loans totaling $ 29.9 million, of which $ 29.7 million were non-investment grade; high yield corporate debt securities totaling $ 19.6 million, all of which were non-investment grade; and emerging market debt securities totaling $ 22.5 million, of which $ 3.4 million were non-investment grade. The credit ratings in the above tables reflect published ratings obtained from globally recognized securities rating agencies. If a security was rated differently among the rating agencies, the lowest rating was selected. Governmental agency mortgage-backed securities are not rated by any of the ratings agencies; however, these securities have been included in the above table in the “A- or higher” rating category because the payments of principal and interest are guaranteed by the governmental agency that issued the security.

Equity Securities

Equity Securities	9 Months Ended
	Sep. 30, 2024
Investments, Debt and Equity Securities [Abstract]
Equity Securities	Note 4 – Equity Securities Investments in equity securities, by accounting classification, are summarized as follows: (in millions) September 30, December 31, Marketable equity securities $ 404.8 $ 436.9 Non-marketable equity securities 219.1 224.1 Equity method investments 101.1 74.6 $ 725.0 $ 735.6 Investments in marketable equity securities are summarized as follows: (in millions) Cost Unrealized losses Estimated September 30, 2024 Common stocks $ 400.3 $ ( 8.1 ) $ 392.2 Preferred stocks 12.8 ( 0.2 ) 12.6 $ 413.1 $ ( 8.3 ) $ 404.8 December 31, 2023 Common stocks $ 429.4 $ ( 4.9 ) $ 424.5 Preferred stocks 15.7 ( 3.3 ) 12.4 $ 445.1 $ ( 8.2 ) $ 436.9 Net gains of $ 19.5 million and $ 18.2 million resulting from changes in the fair values of marketable equity securities were recognized for the three and nine months ended September 30, 2024, respectively, which included net unrealized gains of $ 17.6 million and $ 14.9 million on securities still held at September 30, 2024, respectively. Included in net gains during the three and nine months ended September 30, 2024, were unrealized losses of $ 1.8 million and $ 31.7 million, respectively, related to the Company's investment in Offerpad Solutions Inc. ("Offerpad"), a tech-enabled real estate company. Net losses of $ 29.4 million and net gains of $ 20.5 million resulting from changes in the fair values of marketable equity securities were recognized for the three and nine months ended September 30, 2023, respectively, which included net unrealized losses of $ 32.2 million and net unrealized gains of $ 19.0 million on securities still held at September 30, 2023, respectively. Included in net losses/gains during the three and nine months ended September 30, 2023, were unrealized losses of $ 16.4 million and unrealized gains of $ 10.2 million, respectively, related to the Company's investment in Offerpad. A summary of the changes in the carrying amounts of non-marketable equity securities, which primarily relate to the Company's venture investment portfolio, for the three and nine months ended September 30, 2024 and 2023, is as follows: Three Months Ended Nine Months Ended (in millions) 2024 2023 2024 2023 Carrying amount, beginning of period $ 225.8 $ 362.9 $ 224.1 $ 395.8 Net additions (disposals) 2.4 ( 6.0 ) 5.5 0.8 Gross unrealized gains 0.1 — 1.5 — Gross unrealized losses and impairments ( 9.2 ) ( 130.2 ) ( 12.0 ) ( 169.9 ) Carrying amount, end of period $ 219.1 $ 226.7 $ 219.1 $ 226.7 Cumulative gross unrealized gains and cumulative gross unrealized losses and impairments related to non-marketable equity securities at September 30, 2024 and December 31, 2023, are summarized as follows: (in millions) September 30, December 31, Cumulative gross unrealized gains $ 244.8 $ 243.3 Cumulative gross unrealized losses and impairments $ 334.4 $ 322.4

Allowance for Credit Losses _ A

Allowance for Credit Losses – Accounts Receivable	9 Months Ended
	Sep. 30, 2024
Receivables [Abstract]
Allowance for Credit Losses – Accounts Receivable	Note 5 – Allowance for Credit Losses – Accounts Receivable Activity in the allowance for credit losses on accounts receivable is summarized as follows: Three Months Ended Nine Months Ended (in millions) 2024 2023 2024 2023 Balance at beginning of period $ 21.4 $ 20.9 $ 21.8 $ 21.3 Provision for expected credit losses 2.9 1.6 5.7 4.4 Write-offs/recoveries ( 1.5 ) ( 2.0 ) ( 4.7 ) ( 5.2 ) Balance at end of period $ 22.8 $ 20.5 $ 22.8 $ 20.5

Goodwill

Goodwill	9 Months Ended
	Sep. 30, 2024
Goodwill and Intangible Assets Disclosure [Abstract]
Goodwill	Note 6 – Goodwill A summary of the changes in the carrying amount of goodwill, by reportable segment, for the nine months ended September 30, 2024, is as follows: (in millions) Title Home Total Balance at beginning of period $ 1,766.6 $ 40.9 $ 1,807.5 Acquisitions 2.8 — 2.8 Foreign currency translation 0.4 — 0.4 Balance at end of period $ 1,769.8 $ 40.9 $ 1,810.7

Other Intangible Assets

Other Intangible Assets	9 Months Ended
	Sep. 30, 2024
Goodwill and Intangible Assets Disclosure [Abstract]
Other Intangible Assets	Note 7 – Other Intangible Assets Other intangible assets are summarized as follows: (in millions) September 30, December 31, Finite-lived intangible assets: Customer relationships $ 161.7 $ 191.4 Noncompete agreements 10.7 28.2 Trademarks 70.7 70.6 Internal-use software licenses 21.7 16.5 Patents 2.8 2.8 267.6 309.5 Accumulated amortization ( 149.9 ) ( 172.6 ) 117.7 136.9 Indefinite-lived intangible assets: Licenses 16.9 16.9 $ 134.6 $ 153.8 Amortization expense for finite-lived intangible assets was $ 10.7 million and $ 34.2 million for the three and nine months ended September 30, 2024, respectively, and $ 12.9 million and $ 39.0 million for the three and nine months ended September 30, 2023, respectively. Estimated amortization expense for finite-lived intangible assets for the next five years is as follows: Year (in millions) Remainder of 2024 $ 9.9 2025 $ 31.0 2026 $ 27.7 2027 $ 13.1 2028 $ 8.5 2029 $ 6.0

Reserve for Known and Incurred

Reserve for Known and Incurred but Not Reported Claims	9 Months Ended
	Sep. 30, 2024
Insurance Loss Reserves [Abstract]
Reserve for Known and Incurred but Not Reported Claims	Note 8 – Reserve for Known and Incurred But Not Reported Claims Activity in the reserve for known and incurred but not reported claims is summarized as follows: Nine Months Ended (in millions) 2024 2023 Balance at beginning of period $ 1,282.4 $ 1,325.3 Provision related to: Current year 267.1 273.7 Prior years ( 26.3 ) ( 10.8 ) 240.8 262.9 Payments, net of recoveries, related to: Current year 146.3 142.1 Prior years 149.6 147.0 295.9 289.1 Other 2.7 0.4 Balance at end of period $ 1,230.0 $ 1,299.5 The provision for title insurance losses, expressed as a percentage of title insurance premiums and escrow fees, was 3.0 % for the three and nine months ended September 30, 2024, and 3.0 % and 3.33 % for the three and nine months ended September 30, 2023, respectively. The 3.0 % loss provision rate for the three and nine months ended September 30, 2024 reflects an ultimate loss rate of 3.75 % for the 2024 policy year and reserve releases of 0.75 %, or $ 9.1 million and $ 25.0 million, respectively, for prior policy years, all based on title insurance premiums and escrow fees for the three and nine months ended September 30, 2024. The 3.0 % and 3.33 % loss provision rates for the three and nine months ended September 30, 2023, respectively, reflected an ultimate loss rate of 3.75 % for the 2023 policy year and reserve releases of 0.75 %, or $ 8.6 million and 0.42 %, or $ 14.0 million, respectively, for prior policy years, all based on title insurance premiums and escrow fees for the three and nine months ended September 30, 2023. A summary of the Company’s loss reserves is as follows: (dollars in millions) September 30, 2024 December 31, 2023 Known title claims $ 57.7 4.7 % $ 55.5 4.3 % Incurred but not reported claims 1,136.3 92.4 % 1,186.5 92.5 % Total title claims 1,194.0 97.1 % 1,242.0 96.8 % Non-title claims 36.0 2.9 % 40.4 3.2 % Total loss reserves $ 1,230.0 100.0 % $ 1,282.4 100.0 %

Notes and Contracts Payable

Notes and Contracts Payable	9 Months Ended
	Sep. 30, 2024
Debt Disclosure [Abstract]
Notes and Contracts Payable	Note 9 – Notes and Contracts Payable In September 2024, the Company issued $ 450.0 million of 5.45 % senior unsecured notes due in 2034. Interest is due semi-annually on March 30 and September 30, beginning March 30, 2025.

Income Taxes

Income Taxes	9 Months Ended
	Sep. 30, 2024
Income Tax Disclosure [Abstract]
Income Taxes	Note 10 – Income Taxes The Company’s effective income tax rates (income tax benefit/expense as a percentage of loss/income before income taxes) were 28.4 % and 8.9 % for the three and nine months ended September 30, 2024, respectively, and 29.4 % and 23.2 % for the three and nine months ended September 30, 2023, respectively. The effective income tax rates differ from the federal statutory rate as a result of state and foreign income taxes for which the Company is liable, as well as permanent differences between amounts reported for financial statement purposes and amounts reported for income tax purposes, including the recognition of excess tax benefits or tax deficiencies associated with share-based payment transactions through income tax expense. The effective income tax rates also reflect the impact on pretax earnings from losses and impairments on investments. In addition, the effective income tax rates for 2024 reflect tax credits claimed in current and prior years. The Company evaluates the realizability of its deferred tax assets by assessing the valuation allowance and makes adjustments to the allowance as necessary. The factors used in assessing the likelihood of realization include forecasts of future taxable income and available tax planning strategies that could be implemented. The Company’s ability to achieve forecasted taxable income in the applicable taxing jurisdictions could affect the ultimate realization of its deferred tax assets. As of September 30, 2024 and December 31, 2023, the Company carried a valuation allowance of $ 13.7 million. Based on future operating results in certain jurisdictions, it is possible that the current valuation allowance positions of those jurisdictions could be adjusted during the next 12 months. As of September 30, 2024 and December 31, 2023, the liabilities for income taxes associated with uncertain tax positions were $ 30.5 million and $ 12.4 million, respectively. The net increase in the liability during 2024 was primarily attributable to positions taken on the Company’s tax returns for current and prior years. The liabilities as of September 30, 2024 and December 31, 2023 could be reduced by $ 3.6 million and $ 0.8 million, respectively, due to offsetting tax benefits associated with the correlative effects of potential adjustments, including timing adjustments and state income taxes. The net liability, if recognized, would favorably affect the Company’s effective income tax rate. The Company’s continuing practice is to recognize interest and penalties related to uncertain tax positions in income tax expense. Accrued interest and penalties, net of tax benefits, related to uncertain tax positions were not material as of September 30, 2024 and December 31, 2023. It is reasonably possible that the unrecognized benefit with respect to certain of the Company’s unrecognized tax positions may increase or decrease within the next 12 months. Any such change may be the result of either ongoing audits or the expiration of federal and state statutes of limitations for the assessment of taxes. The Company, or one of its subsidiaries, files income tax returns in the U.S. federal jurisdiction, various state jurisdictions and in various non-U.S. jurisdictions. The primary non-federal jurisdictions are California, Canada, India and the United Kingdom. As of September 30, 2024, the Company is, generally, no longer subject to income tax examinations for U.S. federal, state and non-U.S. jurisdictions for years prior to 2021, 2019 and 2014, respectively. Effective in 2024, the Company is subject to international anti-base erosion rules that assess a minimum tax rate of 15 % in the jurisdictions in which it operates. Commonly known as “Pillar II,” these rules apply to large multinational enterprises and are designed to address the tax challenges arising from the globalization and digitalization of the economy. The Company has calculated the minimum tax on a jurisdiction-by-jurisdiction basis and has determined that the resulting tax is not material to its financial results.

Earnings (Losses) Per Share

Earnings (Losses) Per Share	9 Months Ended
	Sep. 30, 2024
Earnings Per Share [Abstract]
Earnings (Losses) Per Share	Note 11 – Earnings (Losses) Per Share The computation of basic and diluted earnings (losses) per share is as follows: Three Months Ended Nine Months Ended (in millions, except per share amounts) 2024 2023 2024 2023 Numerator Net (loss) income attributable to the Company $ ( 104.0 ) $ ( 1.7 ) $ 58.7 $ 182.7 Denominator Basic weighted-average shares 103.6 104.2 103.9 104.4 Effect of dilutive restricted stock units (“RSUs”) and — — 0.4 0.3 Diluted weighted-average shares 103.6 104.2 104.3 104.7 Net (loss) income per share attributable to the Company’s Basic $ ( 1.00 ) $ ( 0.02 ) $ 0.56 $ 1.75 Diluted $ ( 1.00 ) $ ( 0.02 ) $ 0.56 $ 1.75 For the three and nine months ended September 30, 2024, 353 thousand and 6 thousand RSUs and 129 thousand and 42 thousand PRSUs, respectively, were excluded from diluted weighted-average common shares outstanding due to their antidilutive effect. For the three and nine months ended September 30, 2023, 288 thousand and 15 thousand RSUs and 39 thousand and 14 thousand PRSUs, respectively, were excluded from diluted weighted-average common shares outstanding due to their antidilutive effect.

Employee Benefit Plans

Employee Benefit Plans	9 Months Ended
	Sep. 30, 2024
Retirement Benefits [Abstract]
Employee Benefit Plans	Note 12 – Employee Benefit Plans Net periodic benefit costs related to the Company’s unfunded supplemental benefit pension plans are summarized as follows: Three Months Ended Nine Months Ended (in millions) 2024 2023 2024 2023 Expense: Service costs $ — $ 0.1 $ 0.1 $ 0.1 Interest costs 2.4 2.5 7.2 7.6 Amortization of net actuarial loss 0.6 0.4 1.7 1.5 $ 3.0 $ 3.0 $ 9.0 $ 9.2 The Company contributed $ 11.4 million to its unfunded supplemental benefit pension plans during the nine months ended September 30, 2024 and expects to contribute an additional $ 4.8 million during the remainder of 2024.

Fair Value Measurements

Fair Value Measurements	9 Months Ended
	Sep. 30, 2024
Fair Value Disclosures [Abstract]
Fair Value Measurements	Note 13 – Fair Value Measurements Certain of the Company’s assets are carried at fair value. 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. The Company categorizes its assets carried at fair value using a three-level hierarchy for fair value measurements that distinguishes between market participant assumptions developed based on market data obtained from sources independent of the Company (observable inputs) and the Company’s own assumptions about market participant assumptions developed based on the best information available in the circumstances (unobservable inputs). The hierarchy for inputs used in determining fair value maximizes the use of observable inputs and minimizes the use of unobservable inputs by requiring that observable inputs be used when available. The hierarchy level assigned to the assets is based on management’s assessment of the transparency and reliability of the inputs used to estimate the fair values at the measurement date. The three hierarchy levels are defined as follows: Level 1—Valuations based on unadjusted quoted market prices in active markets for identical assets. Level 2—Valuations based on observable inputs (other than Level 1 prices), such as quoted prices for similar assets at the measurement date; quoted prices in markets that are not active; or other inputs that are observable, either directly or indirectly. Level 3—Valuations based on inputs that are unobservable and significant to the overall fair value measurement and involve management judgment. If the inputs used to measure fair value fall into different levels of the fair value hierarchy, the hierarchy level assigned is based upon the lowest level of input that is significant to the fair value measurement. The following tables present the fair values of the Company’s assets, measured on a recurring basis, as of September 30, 2024 and December 31, 2023: (in millions) Total Level 1 Level 2 Level 3 September 30, 2024 Debt securities: U.S. Treasury bonds $ 190.4 $ — $ 190.4 $ — Municipal bonds 731.4 — 731.4 — Foreign government bonds 226.6 — 226.6 — Governmental agency bonds 222.0 — 222.0 — Governmental agency mortgage-backed securities 4,285.9 — 4,285.9 — U.S. corporate debt securities 864.5 — 864.5 — Foreign corporate debt securities 494.5 — 494.5 — 7,015.3 — 7,015.3 — Equity securities: Common stocks 392.2 392.2 — — Preferred stocks 12.6 12.6 — — 404.8 404.8 — — Mortgage loans held for sale 13.2 — 12.7 0.5 Total $ 7,433.3 $ 404.8 $ 7,028.0 $ 0.5 (in millions) Total Level 1 Level 2 Level 3 December 31, 2023 Debt securities: U.S. Treasury bonds $ 199.3 $ — $ 199.3 $ — Municipal bonds 1,245.8 — 1,245.8 — Foreign government bonds 219.3 — 219.3 — Governmental agency bonds 195.4 — 195.4 — Governmental agency mortgage-backed securities 3,875.7 — 3,875.7 — U.S. corporate debt securities 958.4 — 958.4 — Foreign corporate debt securities 463.6 — 463.6 — 7,157.5 — 7,157.5 — Equity securities: Common stocks 424.5 424.5 — — Preferred stocks 12.4 12.4 — — 436.9 436.9 — — Mortgage loans held for sale 13.1 — 11.8 1.3 Total $ 7,607.5 $ 436.9 $ 7,169.3 $ 1.3 The following table presents the carrying amounts and estimated fair values of the Company’s financial instruments not measured at fair value as of September 30, 2024 and December 31, 2023: Carrying Estimated fair value (in millions) Amount Total Level 1 Level 2 Level 3 September 30, 2024 Assets: Cash and cash equivalents $ 2,953.4 $ 2,953.4 $ 2,953.4 $ — $ — Deposits with banks $ 55.4 $ 55.4 $ 2.9 $ 52.5 $ — Notes receivable, net $ 28.0 $ 29.1 $ — $ — $ 29.1 Secured financings receivable $ 984.0 $ 984.0 $ — $ 984.0 $ — Liabilities: Secured financings payable $ 878.2 $ 878.8 $ — $ 878.8 $ — Notes and contracts payable $ 1,847.7 $ 1,732.8 $ — $ 1,720.2 $ 12.6 Carrying Estimated fair value (in millions) Amount Total Level 1 Level 2 Level 3 December 31, 2023 Assets: Cash and cash equivalents $ 3,605.3 $ 3,605.3 $ 3,605.3 $ — $ — Deposits with banks $ 55.8 $ 55.6 $ 4.0 $ 51.6 $ — Notes receivable, net $ 22.4 $ 23.2 $ — $ — $ 23.2 Secured financings receivable $ 636.5 $ 636.5 $ — $ 636.5 $ — Liabilities: Secured financings payable $ 553.3 $ 553.3 $ — $ 553.3 $ — Notes and contracts payable $ 1,393.9 $ 1,219.6 $ — $ 1,215.4 $ 4.2

Share-Based Compensation

Share-Based Compensation	9 Months Ended
	Sep. 30, 2024
Share-Based Payment Arrangement [Abstract]
Share-Based Compensation	Note 14 – Share-Based Compensation The following table summarizes the costs associated with the Company’s share-based compensation plans: Three Months Ended Nine Months Ended (in millions) 2024 2023 2024 2023 Expense: RSUs $ 7.0 $ 6.5 $ 32.8 $ 32.3 PRSUs 1.1 1.0 4.6 3.5 Employee stock purchase plan 1.6 1.4 5.1 5.1 $ 9.7 $ 8.9 $ 42.5 $ 40.9 The following table summarizes RSU and PRSU activity for the nine months ended September 30, 2024: (in millions, except weighted-average grant-date fair value) Shares Weighted-average Unvested at December 31, 2023 1.0 $ 64.19 Granted during 2024 0.9 $ 58.79 Vested during 2024 ( 0.7 ) $ 60.48 Unvested at September 30, 2024 1.2 $ 62.27

Stockholders_ Equity

Stockholders’ Equity	9 Months Ended
	Sep. 30, 2024
Equity [Abstract]
Stockholders’ Equity	Note 15 – Stockholders’ Equity The Company maintains a stock repurchase plan with authorization up to $ 400.0 million, of which $ 153.5 million remained as of September 30, 2024. Purchases may be made from time to time by the Company in the open market at prevailing market prices or in privately negotiated transactions. During the nine months ended September 30, 2024, the Company repurchased and retired 1.1 million shares of its common stock for a total purchase price of $ 60.3 million and, as of September 30, 2024, the Company has repurchased and retired 4.6 million shares of its common stock under the current authorization for a total purchase price of $ 246.5 million.

Accumulated Other Comprehensive

Accumulated Other Comprehensive Income (Loss) ("AOCI")	9 Months Ended
	Sep. 30, 2024
Accumulated Other Comprehensive Income (Loss), Net of Tax [Abstract]
Accumulated Other Comprehensive Income (Loss) ("AOCI")	Note 16 – Accumulated Other Comprehensive Income (Loss) (“AOCI”) The following table presents a summary of the changes in each component of AOCI for the nine months ended September 30, 2024: (in millions) Unrealized Foreign Pension Accumulated Balance at December 31, 2023 $ ( 553.6 ) $ ( 64.9 ) $ ( 37.3 ) $ ( 655.8 ) Change in unrealized losses on debt securities 496.3 — — 496.3 Change in foreign currency translation adjustment — ( 4.0 ) — ( 4.0 ) Amortization of net actuarial loss — — 1.7 1.7 Tax effect ( 128.5 ) 0.2 ( 0.4 ) ( 128.7 ) Balance at September 30, 2024 $ ( 185.8 ) $ ( 68.7 ) $ ( 36.0 ) $ ( 290.5 ) The following table presents the other comprehensive income (loss) reclassification adjustments for the three months ended September 30, 2024 and 2023: (in millions) Unrealized Foreign Pension Total Three Months Ended September 30, 2024 Pretax change before reclassifications $ 244.0 $ 14.9 $ — $ 258.9 Reclassifications out of AOCI 326.6 — 0.6 327.2 Tax effect ( 146.4 ) ( 0.4 ) ( 0.1 ) ( 146.9 ) Total other comprehensive income, net of tax $ 424.2 $ 14.5 $ 0.5 $ 439.2 Three Months Ended September 30, 2023 Pretax change before reclassifications $ ( 233.6 ) $ ( 14.7 ) $ — $ ( 248.3 ) Reclassifications out of AOCI 5.1 — 0.4 5.5 Tax effect 56.9 0.3 — 57.2 Total other comprehensive (loss) income, net of tax $ ( 171.6 ) $ ( 14.4 ) $ 0.4 $ ( 185.6 ) The following table presents the other comprehensive income (loss) reclassification adjustments for the nine months ended September 30, 2024 and 2023: (in millions) Unrealized Foreign Pension Total Nine Months Ended September 30, 2024 Pretax change before reclassifications $ 165.3 $ ( 4.0 ) $ — $ 161.3 Reclassifications out of AOCI 331.0 — 1.7 332.7 Tax effect ( 128.5 ) 0.2 ( 0.4 ) ( 128.7 ) Total other comprehensive income (loss), net of tax $ 367.8 $ ( 3.8 ) $ 1.3 $ 365.3 Nine Months Ended September 30, 2023 Pretax change before reclassifications $ ( 199.9 ) $ ( 0.6 ) $ — $ ( 200.5 ) Reclassifications out of AOCI 12.4 — 1.5 13.9 Tax effect 46.3 — ( 0.4 ) 45.9 Total other comprehensive (loss) income, net of tax $ ( 141.2 ) $ ( 0.6 ) $ 1.1 $ ( 140.7 ) The following table presents the effects of the reclassifications out of AOCI on the respective line items in the condensed consolidated statements of income: Three Months Ended Nine Months Ended (in millions) 2024 2023 2024 2023 Affected line items Unrealized gains (losses) on debt securities: Net realized losses on sales of debt $ ( 326.6 ) $ ( 5.1 ) $ ( 331.0 ) $ ( 12.4 ) Net investment losses Tax effect $ 84.6 $ 1.2 $ 85.7 $ 3.1 Pension benefit adjustment (1): Amortization of net actuarial loss $ ( 0.6 ) $ ( 0.4 ) $ ( 1.7 ) $ ( 1.5 ) Other operating Tax effect $ 0.1 $ — $ 0.4 $ 0.4 (1) Amounts are components of net periodic cost. See Note 12 Employee Benefit Plans for additional details.

Litigation and Regulatory Conti

Litigation and Regulatory Contingencies	9 Months Ended
	Sep. 30, 2024
Commitments and Contingencies Disclosure [Abstract]
Litigation and Regulatory Contingencies	Note 17 – Litigation and Regulatory Contingencies The Company and its subsidiaries are parties to lawsuits and are also involved in ongoing routine legal and regulatory proceedings related to their operations. These lawsuits and proceedings frequently are similar in nature to other lawsuits and proceedings pending against the Company’s competitors. When the Company has determined that a loss is both probable and reasonably estimable, a liability representing the best estimate of the Company’s financial exposure based on known facts has been recorded. Actual losses may materially differ from the amounts recorded. With respect to the Company’s outstanding ordinary course lawsuits and proceedings, the Company has determined either that a loss is not reasonably possible or is reasonably possible and does not expect that the estimated loss or range of loss, if any, will have a material adverse effect on the Company’s financial condition, results of operations or cash flows. The Company’s ordinary course lawsuits include putative or purported class action lawsuits, which challenge practices in the Company’s home warranty and title insurance and settlement services businesses. The Company’s title insurance, property and casualty insurance, home warranty, mortgage subservicing, banking, trust and wealth management businesses are regulated by various federal, state and local governmental agencies. Many of the Company’s other businesses operate within statutory guidelines. Consequently, the Company may from time to time be subject to examination or investigation by such governmental agencies. Currently, governmental agencies are examining or investigating certain of the Company’s operations. The Company does not believe that any pending examinations or investigations will have a material adverse effect on the Company’s financial condition, results of operations or cash flows. Some of these exams or investigations could, however, result in changes to the Company’s business practices which could ultimately have a material adverse impact on the Company’s financial condition, results of operations or cash flows.

Segment Information

Segment Information	9 Months Ended
	Sep. 30, 2024
Segment Reporting [Abstract]
Segment Information	Note 18 – Segment Information The Company consists of the following reportable segments: • The title insurance and services segment issues title insurance policies on residential and commercial property in the United States and offers similar or related products and services internationally. This segment also provides closing and/or escrow services; accommodates tax-deferred exchanges of real estate; provides products, services and solutions designed to mitigate risk or otherwise facilitate real estate transactions; maintains, manages and provides access to title plant data and records; provides appraisals and other valuation-related products and services; provides lien release, document custodial and default-related products and services; provides document generation services; provides warehouse lending services; subservices mortgage loans; and provides banking, trust and wealth management services. The Company, through its principal title insurance subsidiary and such subsidiary’s affiliates, transacts its title insurance business through a network of direct operations and agents. Through this network, the Company issues policies in the 49 states that permit the issuance of title insurance policies, the District of Columbia and certain United States territories. The Company also offers title insurance, closing services and similar or related products and services, either directly or through third parties in other countries, including Canada, the United Kingdom, Australia, New Zealand, South Korea and various other established and emerging markets. • The home warranty segment sells products including residential service contracts that cover residential systems, such as heating and air conditioning systems, and certain appliances against failures that occur as the result of normal usage during the coverage period. This business currently operates in 36 states and the District of Columbia . • The corporate segment includes investments in venture-stage companies, certain financing facilities and corporate services that support the Company’s business operations. Selected financial information about the Company’s operations, by segment, is as follows: For the three months ended September 30, 2024: (in millions) Revenues (Loss) income Depreciation Capital Title Insurance and Services $ 1,290.3 $ ( 130.3 ) $ 51.9 $ 60.3 Home Warranty 110.9 9.0 1.3 1.4 Corporate and Eliminations 4.9 ( 23.1 ) — — $ 1,406.1 $ ( 144.4 ) $ 53.2 $ 61.7 (in millions) Direct Agent Information Net Net Total Title Insurance and Services $ 536.2 $ 683.9 $ 241.7 $ 136.5 $ ( 308.0 ) $ 1,290.3 Home Warranty 103.5 — 5.7 1.2 0.5 110.9 Corporate and Eliminations ( 0.1 ) — 0.1 8.9 ( 4.0 ) 4.9 $ 639.6 $ 683.9 $ 247.5 $ 146.6 $ ( 311.5 ) $ 1,406.1 For the three months ended September 30, 2023: (in millions) Revenues Income (loss) Depreciation Capital Title Insurance and Services $ 1,524.4 $ 160.3 $ 46.2 $ 69.5 Home Warranty 108.2 9.4 1.2 2.1 Corporate and Eliminations ( 151.4 ) ( 171.4 ) ( 0.1 ) — $ 1,481.2 $ ( 1.7 ) $ 47.3 $ 71.6 (in millions) Direct Agent Information Net Net Total Title Insurance and Services $ 493.7 $ 664.5 $ 240.1 $ 141.7 $ ( 15.6 ) $ 1,524.4 Home Warranty 101.8 — 5.5 1.6 ( 0.7 ) 108.2 Corporate and Eliminations — — 0.1 ( 4.2 ) ( 147.3 ) ( 151.4 ) $ 595.5 $ 664.5 $ 245.7 $ 139.1 $ ( 163.6 ) $ 1,481.2 For the nine months ended September 30, 2024: (in millions) Revenues Income (loss) Depreciation Capital Title Insurance and Services $ 4,132.0 $ 119.8 $ 151.6 $ 178.4 Home Warranty 322.9 45.8 3.7 4.8 Corporate and Eliminations ( 11.9 ) ( 100.1 ) 0.1 — $ 4,443.0 $ 65.5 $ 155.4 $ 183.2 (in millions) Direct Agent Information Net Net Total Title Insurance and Services $ 1,472.4 $ 1,864.0 $ 699.8 $ 378.9 $ ( 283.1 ) $ 4,132.0 Home Warranty 300.8 — 17.4 3.2 1.5 322.9 Corporate and Eliminations — — ( 0.1 ) 22.3 ( 34.1 ) ( 11.9 ) $ 1,773.2 $ 1,864.0 $ 717.1 $ 404.4 $ ( 315.7 ) $ 4,443.0 For the nine months ended September 30, 2023: (in millions) Revenues Income (loss) Depreciation Capital Title Insurance and Services $ 4,403.7 $ 434.2 $ 135.2 $ 210.7 Home Warranty 318.4 39.6 3.6 5.6 Corporate and Eliminations ( 147.9 ) ( 237.8 ) 0.1 — $ 4,574.2 $ 236.0 $ 138.9 $ 216.3 (in millions) Direct Agent Information Net Net Total Title Insurance and Services $ 1,416.1 $ 1,879.6 $ 706.0 $ 408.2 $ ( 6.2 ) $ 4,403.7 Home Warranty 296.9 — 16.9 4.4 0.2 318.4 Corporate and Eliminations — — — 10.8 ( 158.7 ) ( 147.9 ) $ 1,713.0 $ 1,879.6 $ 722.9 $ 423.4 $ ( 164.7 ) $ 4,574.2

Basis of Condensed Consolidat_2

Basis of Condensed Consolidated Financial Statements (Policies)	9 Months Ended
	Sep. 30, 2024
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Basis of Presentation	Basis of Presentation The condensed consolidated financial information included in this report has been prepared in accordance with U.S. generally accepted accounting principles (“GAAP”) for interim financial information and Article 10 of Securities and Exchange Commission Regulation S-X. The principles for condensed interim financial information do not require the inclusion of all the information and footnotes required by GAAP for complete financial statements. Therefore, these financial statements should be read in conjunction with the First American Financial Corporation (the “Company”) Annual Report on Form 10-K for the year ended December 31, 2023. The condensed consolidated financial statements included herein are unaudited; however, in the opinion of management, they contain all normal recurring adjustments necessary for a fair statement of the consolidated results for the interim periods. All material intercompany transactions and balances have been eliminated upon consolidation. Out-of-period adjustment During the first quarter of 2024, the Company identified certain uncollectible balances related to fees within its title insurance and services segment, which primarily related to reporting periods in 2023 and prior, that should have been previously written off. To correct for this error, the Company recorded an adjustment, which increased other operating expenses and increased accounts payable and accrued liabilities by $ 6.2 million.
Recently Adopted/Pending Accounting Pronouncements	Recently Adopted Accounting Pronouncements In June 2022, the Financial Accounting Standards Board (“FASB”) issued updated guidance intended to increase the comparability of financial information across reporting entities that have investments in equity securities measured at fair value that are subject to contractual restrictions preventing the sale of those securities. The updated guidance clarified that a contractual restriction on the sale of an equity security is not considered part of the unit of account of the equity security and, as a result, should not be considered in measuring fair value. In addition, new disclosures are required about the nature of the restrictions and their remaining duration. The updated guidance, which was adopted on January 1, 2024, had no impact on the Company's condensed consolidated financial statements. Pending Accounting Pronouncements In December 2023, the FASB issued updated guidance intended to enhance the transparency and decision usefulness of income tax disclosures. The updated guidance requires disclosure of specific categories and greater disaggregation of information included in the rate reconciliation and additional disclosures related to income taxes paid. The updated guidance is effective for annual reporting periods beginning after December 15, 2024. Except for the disclosure requirements, the Company does not expect the adoption of this guidance to have a material impact on its condensed consolidated financial statements. In November 2023, the FASB issued updated guidance intended to improve financial reporting by requiring disclosure of incremental segment information to enable investors to develop more decision-useful financial analyses. The updated guidance improves reportable segment disclosure requirements, primarily through enhanced disclosures about significant segment expenses. The updated guidance is effective for annual reporting periods beginning after December 15, 2023 and for interim periods within fiscal years beginning after December 15, 2024, with early adoption permitted. The amendments in this update are required to applied retrospectively to all periods presented in the financial statements. Except for the disclosure requirements, the Company does not expect the adoption of this guidance to have a material impact on its condensed consolidated financial statements. In August 2023, the FASB issued updated guidance that is intended to provide decision-useful information to investors and reduce diversity in practice in accounting for contributions made to a joint venture, upon formation, in a joint venture’s separate financial statements. The updated guidance will require joint ventures to recognize and initially measure their assets and liabilities at fair value, with certain exceptions to fair value measurement consistent with business combination guidance. The updated guidance is effective prospectively for all joint venture formations with a formation date on or after January 1, 2025, with early adoption permitted. The Company does not expect the adoption of this guidance to have a material impact on its condensed consolidated financial statements.

Debt Securities (Tables)

Debt Securities (Tables)	9 Months Ended
	Sep. 30, 2024
Investments, Debt and Equity Securities [Abstract]
Investments in Debt Securities, Classified as Available-For-Sale	Investments in debt securities, classified as available-for-sale, are as follows: Amortized Gross unrealized Estimated (in millions) cost Gains Losses fair value September 30, 2024 U.S. Treasury bonds $ 191.8 $ 1.6 $ ( 3.0 ) $ 190.4 Municipal bonds 777.2 9.5 ( 55.3 ) 731.4 Foreign government bonds 230.7 2.5 ( 6.6 ) 226.6 Governmental agency bonds 229.6 0.1 ( 7.7 ) 222.0 Governmental agency mortgage-backed securities 4,468.8 23.0 ( 205.9 ) 4,285.9 U.S. corporate debt securities 865.2 15.4 ( 16.1 ) 864.5 Foreign corporate debt securities 493.4 9.8 ( 8.7 ) 494.5 $ 7,256.7 $ 61.9 $ ( 303.3 ) $ 7,015.3 December 31, 2023 U.S. Treasury bonds $ 203.3 $ 0.5 $ ( 4.5 ) $ 199.3 Municipal bonds 1,373.7 8.8 ( 136.7 ) 1,245.8 Foreign government bonds 228.4 1.4 ( 10.5 ) 219.3 Governmental agency bonds 207.7 0.2 ( 12.5 ) 195.4 Governmental agency mortgage-backed securities 4,396.2 6.3 ( 526.8 ) 3,875.7 U.S. corporate debt securities 1,007.0 6.6 ( 55.2 ) 958.4 Foreign corporate debt securities 478.9 5.8 ( 21.1 ) 463.6 $ 7,895.2 $ 29.6 $ ( 767.3 ) $ 7,157.5
Gross Unrealized Losses on Investments in Debt Securities	Investments in debt securities in an unrealized loss position, and their respective length of time in such position, are as follows: Less than 12 months 12 months or longer Total (in millions) Estimated Unrealized Estimated Unrealized Estimated Unrealized September 30, 2024 U.S. Treasury bonds $ 1.3 $ — $ 57.9 $ ( 3.0 ) $ 59.2 $ ( 3.0 ) Municipal bonds 49.7 ( 0.2 ) 455.5 ( 55.1 ) 505.2 ( 55.3 ) Foreign government bonds 10.4 — 78.2 ( 6.6 ) 88.6 ( 6.6 ) Governmental agency bonds 172.8 ( 0.4 ) 40.4 ( 7.3 ) 213.2 ( 7.7 ) Governmental agency mortgage-backed 1,351.7 ( 9.7 ) 1,419.2 ( 196.2 ) 2,770.9 ( 205.9 ) U.S. corporate debt securities 189.5 ( 0.7 ) 140.9 ( 15.4 ) 330.4 ( 16.1 ) Foreign corporate debt securities 68.4 ( 0.5 ) 140.6 ( 8.2 ) 209.0 ( 8.7 ) $ 1,843.8 $ ( 11.5 ) $ 2,332.7 $ ( 291.8 ) $ 4,176.5 $ ( 303.3 ) December 31, 2023 U.S. Treasury bonds $ 8.2 $ ( 0.1 ) $ 55.4 $ ( 4.4 ) $ 63.6 $ ( 4.5 ) Municipal bonds 107.4 ( 0.9 ) 956.8 ( 135.8 ) 1,064.2 ( 136.7 ) Foreign government bonds 33.3 ( 0.1 ) 101.4 ( 10.4 ) 134.7 ( 10.5 ) Governmental agency bonds 0.4 — 118.9 ( 12.5 ) 119.3 ( 12.5 ) Governmental agency mortgage-backed 338.3 ( 6.6 ) 3,225.3 ( 520.2 ) 3,563.6 ( 526.8 ) U.S. corporate debt securities 45.1 ( 0.4 ) 602.5 ( 54.8 ) 647.6 ( 55.2 ) Foreign corporate debt securities 19.3 ( 0.1 ) 267.3 ( 21.0 ) 286.6 ( 21.1 ) $ 552.0 $ ( 8.2 ) $ 5,327.6 $ ( 759.1 ) $ 5,879.6 $ ( 767.3 )
Investments in Debt Securities by Contractual Maturity	Investments in debt securities at September 30, 2024, by contractual maturities, are as follows: (in millions) Due in one Due after Due after Due after Total U.S. Treasury bonds Amortized cost $ 40.6 $ 133.8 $ 4.7 $ 12.7 $ 191.8 Estimated fair value $ 40.4 $ 132.7 $ 4.9 $ 12.4 $ 190.4 Municipal bonds Amortized cost 8.6 52.2 231.6 484.8 777.2 Estimated fair value 8.6 50.9 207.7 464.2 731.4 Foreign government bonds Amortized cost 17.0 136.7 70.3 6.7 230.7 Estimated fair value 16.9 138.8 64.8 6.1 226.6 Governmental agency bonds Amortized cost 8.5 76.4 99.8 44.9 229.6 Estimated fair value 8.5 76.4 99.3 37.8 222.0 U.S. corporate debt securities Amortized cost 13.6 495.3 272.0 84.3 865.2 Estimated fair value 13.6 497.7 275.0 78.2 864.5 Foreign corporate debt securities Amortized cost 34.2 299.7 129.7 29.8 493.4 Estimated fair value 34.0 301.9 130.8 27.8 494.5 Total debt securities (excluding mortgage-backed Amortized cost $ 122.5 $ 1,194.1 $ 808.1 $ 663.2 $ 2,787.9 Estimated fair value $ 122.0 $ 1,198.4 $ 782.5 $ 626.5 $ 2,729.4 Total mortgage-backed securities Amortized cost 4,468.8 Estimated fair value 4,285.9 Total debt securities Amortized cost $ 7,256.7 Estimated fair value $ 7,015.3
Composition of Debt Securities Portfolio by Credit Rating Agencies	The composition of the debt securities portfolio at September 30, 2024, by credit rating, is as follows: A- or higher BBB+ to BBB- Non-Investment Grade Total (dollars in millions) Estimated Percentage Estimated Percentage Estimated Percentage Estimated U.S. Treasury bonds $ 190.4 100.0 % $ — — % $ — — % $ 190.4 Municipal bonds 708.9 97.0 20.8 2.8 1.7 0.2 731.4 Foreign government bonds 221.0 97.5 4.8 2.1 0.8 0.4 226.6 Governmental agency bonds 222.0 100.0 — — — — 222.0 Governmental agency mortgage- 4,285.9 100.0 — — — — 4,285.9 U.S. corporate debt securities 384.4 44.4 325.7 37.7 154.4 17.9 864.5 Foreign corporate debt securities 256.5 51.9 194.4 39.3 43.6 8.8 494.5 $ 6,269.1 89.3 % $ 545.7 7.8 % $ 200.5 2.9 % $ 7,015.3
Composition of Debt Securities Portfolio in Unrealized Loss Position by Credit Rating Agencies	The composition of the debt securities portfolio in an unrealized loss position at September 30, 2024, by credit rating, is as follows: A- or higher BBB+ to BBB- Non-Investment Grade Total (dollars in millions) Estimated Percentage Estimated Percentage Estimated Percentage Estimated U.S. Treasury bonds $ 59.2 100.0 % $ — — % $ — — % $ 59.2 Municipal bonds 489.2 96.8 15.7 3.1 0.3 0.1 505.2 Foreign government bonds 86.5 97.6 1.3 1.5 0.8 0.9 88.6 Governmental agency bonds 213.2 100.0 — — — — 213.2 Governmental agency mortgage- 2,770.9 100.0 — — — — 2,770.9 U.S. corporate debt securities 154.5 46.8 136.9 41.4 39.0 11.8 330.4 Foreign corporate debt securities 118.6 56.7 77.5 37.1 12.9 6.2 209.0 $ 3,892.1 93.2 % $ 231.4 5.5 % $ 53.0 1.3 % $ 4,176.5

Equity Securities (Tables)

Equity Securities (Tables)	9 Months Ended
	Sep. 30, 2024
Investments, Debt and Equity Securities [Abstract]
Summary of Investments in Equity Securities, by Accounting Classification	Investments in equity securities, by accounting classification, are summarized as follows: (in millions) September 30, December 31, Marketable equity securities $ 404.8 $ 436.9 Non-marketable equity securities 219.1 224.1 Equity method investments 101.1 74.6 $ 725.0 $ 735.6
Summary of Investments in Marketable Equity Securities	Investments in marketable equity securities are summarized as follows: (in millions) Cost Unrealized losses Estimated September 30, 2024 Common stocks $ 400.3 $ ( 8.1 ) $ 392.2 Preferred stocks 12.8 ( 0.2 ) 12.6 $ 413.1 $ ( 8.3 ) $ 404.8 December 31, 2023 Common stocks $ 429.4 $ ( 4.9 ) $ 424.5 Preferred stocks 15.7 ( 3.3 ) 12.4 $ 445.1 $ ( 8.2 ) $ 436.9
Summary of Changes in Carrying Amounts of Non-Marketable Equity Securities	A summary of the changes in the carrying amounts of non-marketable equity securities, which primarily relate to the Company's venture investment portfolio, for the three and nine months ended September 30, 2024 and 2023, is as follows: Three Months Ended Nine Months Ended (in millions) 2024 2023 2024 2023 Carrying amount, beginning of period $ 225.8 $ 362.9 $ 224.1 $ 395.8 Net additions (disposals) 2.4 ( 6.0 ) 5.5 0.8 Gross unrealized gains 0.1 — 1.5 — Gross unrealized losses and impairments ( 9.2 ) ( 130.2 ) ( 12.0 ) ( 169.9 ) Carrying amount, end of period $ 219.1 $ 226.7 $ 219.1 $ 226.7
Summary of Cumulative Gross Unrealized Gains and Cumulative Gross Unrealized Losses and Impairments	Cumulative gross unrealized gains and cumulative gross unrealized losses and impairments related to non-marketable equity securities at September 30, 2024 and December 31, 2023, are summarized as follows: (in millions) September 30, December 31, Cumulative gross unrealized gains $ 244.8 $ 243.3 Cumulative gross unrealized losses and impairments $ 334.4 $ 322.4

Allowance for Credit Losses __2

Allowance for Credit Losses – Accounts Receivable (Tables)	9 Months Ended
	Sep. 30, 2024
Receivables [Abstract]
Summary of Allowance for Credit Losses on Accounts Receivables	Activity in the allowance for credit losses on accounts receivable is summarized as follows: Three Months Ended Nine Months Ended (in millions) 2024 2023 2024 2023 Balance at beginning of period $ 21.4 $ 20.9 $ 21.8 $ 21.3 Provision for expected credit losses 2.9 1.6 5.7 4.4 Write-offs/recoveries ( 1.5 ) ( 2.0 ) ( 4.7 ) ( 5.2 ) Balance at end of period $ 22.8 $ 20.5 $ 22.8 $ 20.5

Goodwill (Tables)

Goodwill (Tables)	9 Months Ended
	Sep. 30, 2024
Goodwill and Intangible Assets Disclosure [Abstract]
Carrying Amount of Goodwill by Reportable Segment	A summary of the changes in the carrying amount of goodwill, by reportable segment, for the nine months ended September 30, 2024, is as follows: (in millions) Title Home Total Balance at beginning of period $ 1,766.6 $ 40.9 $ 1,807.5 Acquisitions 2.8 — 2.8 Foreign currency translation 0.4 — 0.4 Balance at end of period $ 1,769.8 $ 40.9 $ 1,810.7

Other Intangible Assets (Tables

Other Intangible Assets (Tables)	9 Months Ended
	Sep. 30, 2024
Intangible Assets, Gross (Excluding Goodwill) [Abstract]
Schedule of Other Intangible Assets	Other intangible assets are summarized as follows: (in millions) September 30, December 31, Finite-lived intangible assets: Customer relationships $ 161.7 $ 191.4 Noncompete agreements 10.7 28.2 Trademarks 70.7 70.6 Internal-use software licenses 21.7 16.5 Patents 2.8 2.8 267.6 309.5 Accumulated amortization ( 149.9 ) ( 172.6 ) 117.7 136.9 Indefinite-lived intangible assets: Licenses 16.9 16.9 $ 134.6 $ 153.8
Estimated Amortization Expense for Finite-Lived Intangible Assets	Estimated amortization expense for finite-lived intangible assets for the next five years is as follows: Year (in millions) Remainder of 2024 $ 9.9 2025 $ 31.0 2026 $ 27.7 2027 $ 13.1 2028 $ 8.5 2029 $ 6.0

Reserve for Known and Incurre_2

Reserve for Known and Incurred but Not Reported Claims (Tables)	9 Months Ended
	Sep. 30, 2024
Insurance Loss Reserves [Abstract]
Activity in Reserve for Known and Incurred but Not Reported Claims	Activity in the reserve for known and incurred but not reported claims is summarized as follows: Nine Months Ended (in millions) 2024 2023 Balance at beginning of period $ 1,282.4 $ 1,325.3 Provision related to: Current year 267.1 273.7 Prior years ( 26.3 ) ( 10.8 ) 240.8 262.9 Payments, net of recoveries, related to: Current year 146.3 142.1 Prior years 149.6 147.0 295.9 289.1 Other 2.7 0.4 Balance at end of period $ 1,230.0 $ 1,299.5 A summary of the Company’s loss reserves is as follows: (dollars in millions) September 30, 2024 December 31, 2023 Known title claims $ 57.7 4.7 % $ 55.5 4.3 % Incurred but not reported claims 1,136.3 92.4 % 1,186.5 92.5 % Total title claims 1,194.0 97.1 % 1,242.0 96.8 % Non-title claims 36.0 2.9 % 40.4 3.2 % Total loss reserves $ 1,230.0 100.0 % $ 1,282.4 100.0 %

Earnings (Losses) Per Share (Ta

Earnings (Losses) Per Share (Tables)	9 Months Ended
	Sep. 30, 2024
Earnings Per Share [Abstract]
Schedule of Earnings (Losses) Per Share	The computation of basic and diluted earnings (losses) per share is as follows: Three Months Ended Nine Months Ended (in millions, except per share amounts) 2024 2023 2024 2023 Numerator Net (loss) income attributable to the Company $ ( 104.0 ) $ ( 1.7 ) $ 58.7 $ 182.7 Denominator Basic weighted-average shares 103.6 104.2 103.9 104.4 Effect of dilutive restricted stock units (“RSUs”) and — — 0.4 0.3 Diluted weighted-average shares 103.6 104.2 104.3 104.7 Net (loss) income per share attributable to the Company’s Basic $ ( 1.00 ) $ ( 0.02 ) $ 0.56 $ 1.75 Diluted $ ( 1.00 ) $ ( 0.02 ) $ 0.56 $ 1.75

Employee Benefit Plans (Tables)

Employee Benefit Plans (Tables)	9 Months Ended
	Sep. 30, 2024
Retirement Benefits [Abstract]
Net Periodic Benefit Costs	Net periodic benefit costs related to the Company’s unfunded supplemental benefit pension plans are summarized as follows: Three Months Ended Nine Months Ended (in millions) 2024 2023 2024 2023 Expense: Service costs $ — $ 0.1 $ 0.1 $ 0.1 Interest costs 2.4 2.5 7.2 7.6 Amortization of net actuarial loss 0.6 0.4 1.7 1.5 $ 3.0 $ 3.0 $ 9.0 $ 9.2

Fair Value Measurements (Tables

Fair Value Measurements (Tables)	9 Months Ended
	Sep. 30, 2024
Fair Value Disclosures [Abstract]
Fair Value of Assets Measured on Recurring Basis	The following tables present the fair values of the Company’s assets, measured on a recurring basis, as of September 30, 2024 and December 31, 2023: (in millions) Total Level 1 Level 2 Level 3 September 30, 2024 Debt securities: U.S. Treasury bonds $ 190.4 $ — $ 190.4 $ — Municipal bonds 731.4 — 731.4 — Foreign government bonds 226.6 — 226.6 — Governmental agency bonds 222.0 — 222.0 — Governmental agency mortgage-backed securities 4,285.9 — 4,285.9 — U.S. corporate debt securities 864.5 — 864.5 — Foreign corporate debt securities 494.5 — 494.5 — 7,015.3 — 7,015.3 — Equity securities: Common stocks 392.2 392.2 — — Preferred stocks 12.6 12.6 — — 404.8 404.8 — — Mortgage loans held for sale 13.2 — 12.7 0.5 Total $ 7,433.3 $ 404.8 $ 7,028.0 $ 0.5 (in millions) Total Level 1 Level 2 Level 3 December 31, 2023 Debt securities: U.S. Treasury bonds $ 199.3 $ — $ 199.3 $ — Municipal bonds 1,245.8 — 1,245.8 — Foreign government bonds 219.3 — 219.3 — Governmental agency bonds 195.4 — 195.4 — Governmental agency mortgage-backed securities 3,875.7 — 3,875.7 — U.S. corporate debt securities 958.4 — 958.4 — Foreign corporate debt securities 463.6 — 463.6 — 7,157.5 — 7,157.5 — Equity securities: Common stocks 424.5 424.5 — — Preferred stocks 12.4 12.4 — — 436.9 436.9 — — Mortgage loans held for sale 13.1 — 11.8 1.3 Total $ 7,607.5 $ 436.9 $ 7,169.3 $ 1.3
Carrying Amounts and Estimated Fair Values of Financial Instruments Not Measured at Fair Value	The following table presents the carrying amounts and estimated fair values of the Company’s financial instruments not measured at fair value as of September 30, 2024 and December 31, 2023: Carrying Estimated fair value (in millions) Amount Total Level 1 Level 2 Level 3 September 30, 2024 Assets: Cash and cash equivalents $ 2,953.4 $ 2,953.4 $ 2,953.4 $ — $ — Deposits with banks $ 55.4 $ 55.4 $ 2.9 $ 52.5 $ — Notes receivable, net $ 28.0 $ 29.1 $ — $ — $ 29.1 Secured financings receivable $ 984.0 $ 984.0 $ — $ 984.0 $ — Liabilities: Secured financings payable $ 878.2 $ 878.8 $ — $ 878.8 $ — Notes and contracts payable $ 1,847.7 $ 1,732.8 $ — $ 1,720.2 $ 12.6 Carrying Estimated fair value (in millions) Amount Total Level 1 Level 2 Level 3 December 31, 2023 Assets: Cash and cash equivalents $ 3,605.3 $ 3,605.3 $ 3,605.3 $ — $ — Deposits with banks $ 55.8 $ 55.6 $ 4.0 $ 51.6 $ — Notes receivable, net $ 22.4 $ 23.2 $ — $ — $ 23.2 Secured financings receivable $ 636.5 $ 636.5 $ — $ 636.5 $ — Liabilities: Secured financings payable $ 553.3 $ 553.3 $ — $ 553.3 $ — Notes and contracts payable $ 1,393.9 $ 1,219.6 $ — $ 1,215.4 $ 4.2

Share-Based Compensation (Table

Share-Based Compensation (Tables)	9 Months Ended
	Sep. 30, 2024
Share-Based Payment Arrangement [Abstract]
Costs Associated with Share-Based Compensation Plans	The following table summarizes the costs associated with the Company’s share-based compensation plans: Three Months Ended Nine Months Ended (in millions) 2024 2023 2024 2023 Expense: RSUs $ 7.0 $ 6.5 $ 32.8 $ 32.3 PRSUs 1.1 1.0 4.6 3.5 Employee stock purchase plan 1.6 1.4 5.1 5.1 $ 9.7 $ 8.9 $ 42.5 $ 40.9
Summary of RSU and PSRU Activity	The following table summarizes RSU and PRSU activity for the nine months ended September 30, 2024: (in millions, except weighted-average grant-date fair value) Shares Weighted-average Unvested at December 31, 2023 1.0 $ 64.19 Granted during 2024 0.9 $ 58.79 Vested during 2024 ( 0.7 ) $ 60.48 Unvested at September 30, 2024 1.2 $ 62.27

Accumulated Other Comprehensi_2

Accumulated Other Comprehensive Income (Loss) ("AOCI") (Tables)	9 Months Ended
	Sep. 30, 2024
Accumulated Other Comprehensive Income Other Comprehensive Income [Abstract]
Components of Accumulated Other Comprehensive Income (Loss)	The following table presents a summary of the changes in each component of AOCI for the nine months ended September 30, 2024: (in millions) Unrealized Foreign Pension Accumulated Balance at December 31, 2023 $ ( 553.6 ) $ ( 64.9 ) $ ( 37.3 ) $ ( 655.8 ) Change in unrealized losses on debt securities 496.3 — — 496.3 Change in foreign currency translation adjustment — ( 4.0 ) — ( 4.0 ) Amortization of net actuarial loss — — 1.7 1.7 Tax effect ( 128.5 ) 0.2 ( 0.4 ) ( 128.7 ) Balance at September 30, 2024 $ ( 185.8 ) $ ( 68.7 ) $ ( 36.0 ) $ ( 290.5 )
Adjustments for Reclassification of Other Comprehensive Income (Loss)	The following table presents the other comprehensive income (loss) reclassification adjustments for the three months ended September 30, 2024 and 2023: (in millions) Unrealized Foreign Pension Total Three Months Ended September 30, 2024 Pretax change before reclassifications $ 244.0 $ 14.9 $ — $ 258.9 Reclassifications out of AOCI 326.6 — 0.6 327.2 Tax effect ( 146.4 ) ( 0.4 ) ( 0.1 ) ( 146.9 ) Total other comprehensive income, net of tax $ 424.2 $ 14.5 $ 0.5 $ 439.2 Three Months Ended September 30, 2023 Pretax change before reclassifications $ ( 233.6 ) $ ( 14.7 ) $ — $ ( 248.3 ) Reclassifications out of AOCI 5.1 — 0.4 5.5 Tax effect 56.9 0.3 — 57.2 Total other comprehensive (loss) income, net of tax $ ( 171.6 ) $ ( 14.4 ) $ 0.4 $ ( 185.6 ) The following table presents the other comprehensive income (loss) reclassification adjustments for the nine months ended September 30, 2024 and 2023: (in millions) Unrealized Foreign Pension Total Nine Months Ended September 30, 2024 Pretax change before reclassifications $ 165.3 $ ( 4.0 ) $ — $ 161.3 Reclassifications out of AOCI 331.0 — 1.7 332.7 Tax effect ( 128.5 ) 0.2 ( 0.4 ) ( 128.7 ) Total other comprehensive income (loss), net of tax $ 367.8 $ ( 3.8 ) $ 1.3 $ 365.3 Nine Months Ended September 30, 2023 Pretax change before reclassifications $ ( 199.9 ) $ ( 0.6 ) $ — $ ( 200.5 ) Reclassifications out of AOCI 12.4 — 1.5 13.9 Tax effect 46.3 — ( 0.4 ) 45.9 Total other comprehensive (loss) income, net of tax $ ( 141.2 ) $ ( 0.6 ) $ 1.1 $ ( 140.7 )
Reclassifications out of Accumulated Other Comprehensive Income (Loss)	The following table presents the effects of the reclassifications out of AOCI on the respective line items in the condensed consolidated statements of income: Three Months Ended Nine Months Ended (in millions) 2024 2023 2024 2023 Affected line items Unrealized gains (losses) on debt securities: Net realized losses on sales of debt $ ( 326.6 ) $ ( 5.1 ) $ ( 331.0 ) $ ( 12.4 ) Net investment losses Tax effect $ 84.6 $ 1.2 $ 85.7 $ 3.1 Pension benefit adjustment (1): Amortization of net actuarial loss $ ( 0.6 ) $ ( 0.4 ) $ ( 1.7 ) $ ( 1.5 ) Other operating Tax effect $ 0.1 $ — $ 0.4 $ 0.4 (1) Amounts are components of net periodic cost. See Note 12 Employee Benefit Plans for additional details.

Segment Information (Tables)

Segment Information (Tables)	9 Months Ended
	Sep. 30, 2024
Segment Reporting [Abstract]
Schedule of Selected Financial Information	Selected financial information about the Company’s operations, by segment, is as follows: For the three months ended September 30, 2024: (in millions) Revenues (Loss) income Depreciation Capital Title Insurance and Services $ 1,290.3 $ ( 130.3 ) $ 51.9 $ 60.3 Home Warranty 110.9 9.0 1.3 1.4 Corporate and Eliminations 4.9 ( 23.1 ) — — $ 1,406.1 $ ( 144.4 ) $ 53.2 $ 61.7 (in millions) Direct Agent Information Net Net Total Title Insurance and Services $ 536.2 $ 683.9 $ 241.7 $ 136.5 $ ( 308.0 ) $ 1,290.3 Home Warranty 103.5 — 5.7 1.2 0.5 110.9 Corporate and Eliminations ( 0.1 ) — 0.1 8.9 ( 4.0 ) 4.9 $ 639.6 $ 683.9 $ 247.5 $ 146.6 $ ( 311.5 ) $ 1,406.1 For the three months ended September 30, 2023: (in millions) Revenues Income (loss) Depreciation Capital Title Insurance and Services $ 1,524.4 $ 160.3 $ 46.2 $ 69.5 Home Warranty 108.2 9.4 1.2 2.1 Corporate and Eliminations ( 151.4 ) ( 171.4 ) ( 0.1 ) — $ 1,481.2 $ ( 1.7 ) $ 47.3 $ 71.6 (in millions) Direct Agent Information Net Net Total Title Insurance and Services $ 493.7 $ 664.5 $ 240.1 $ 141.7 $ ( 15.6 ) $ 1,524.4 Home Warranty 101.8 — 5.5 1.6 ( 0.7 ) 108.2 Corporate and Eliminations — — 0.1 ( 4.2 ) ( 147.3 ) ( 151.4 ) $ 595.5 $ 664.5 $ 245.7 $ 139.1 $ ( 163.6 ) $ 1,481.2 For the nine months ended September 30, 2024: (in millions) Revenues Income (loss) Depreciation Capital Title Insurance and Services $ 4,132.0 $ 119.8 $ 151.6 $ 178.4 Home Warranty 322.9 45.8 3.7 4.8 Corporate and Eliminations ( 11.9 ) ( 100.1 ) 0.1 — $ 4,443.0 $ 65.5 $ 155.4 $ 183.2 (in millions) Direct Agent Information Net Net Total Title Insurance and Services $ 1,472.4 $ 1,864.0 $ 699.8 $ 378.9 $ ( 283.1 ) $ 4,132.0 Home Warranty 300.8 — 17.4 3.2 1.5 322.9 Corporate and Eliminations — — ( 0.1 ) 22.3 ( 34.1 ) ( 11.9 ) $ 1,773.2 $ 1,864.0 $ 717.1 $ 404.4 $ ( 315.7 ) $ 4,443.0 For the nine months ended September 30, 2023: (in millions) Revenues Income (loss) Depreciation Capital Title Insurance and Services $ 4,403.7 $ 434.2 $ 135.2 $ 210.7 Home Warranty 318.4 39.6 3.6 5.6 Corporate and Eliminations ( 147.9 ) ( 237.8 ) 0.1 — $ 4,574.2 $ 236.0 $ 138.9 $ 216.3 (in millions) Direct Agent Information Net Net Total Title Insurance and Services $ 1,416.1 $ 1,879.6 $ 706.0 $ 408.2 $ ( 6.2 ) $ 4,403.7 Home Warranty 296.9 — 16.9 4.4 0.2 318.4 Corporate and Eliminations — — — 10.8 ( 158.7 ) ( 147.9 ) $ 1,713.0 $ 1,879.6 $ 722.9 $ 423.4 $ ( 164.7 ) $ 4,574.2

Basis of Condensed Consolidat_3

Basis of Condensed Consolidated Financial Statements (Narrative) (Details) - Out-of-period Adjustment $ in Millions	3 Months Ended
	Mar. 31, 2024 USD ($)
Accounts Payable and Accrued Liabilities
Basis Of Condensed Consolidated Financial Statements [Line Items]
Increase in other operating expenses and increased accounts payable and accrued liabilities	$ 6.2
Increased Other Operating Expense
Basis Of Condensed Consolidated Financial Statements [Line Items]
Increase in other operating expenses and increased accounts payable and accrued liabilities	$ 6.2

Trust Assets, Escrow and Othe_2

Trust Assets, Escrow and Other Deposits (Narrative) (Detail) - USD ($) $ in Millions	Sep. 30, 2024	Dec. 31, 2023
Other Assets [Line Items]
Escrow deposits	$ 9,000	$ 10,600
Assets held-in-trust	4,800	4,400
Like-kind exchange funds	2,000	1,800
Cash deposits	1,200	830.5
First American Trust
Other Assets [Line Items]
Escrow deposits	4,600	6,300
Assets held-in-trust	155.2	197.1
Cash deposits	$ 882.7	$ 485.7

Debt Securities (Investments in

Debt Securities (Investments in Debt Securities, Classified as Available-For-Sale) (Detail) - USD ($) $ in Millions	Sep. 30, 2024	Dec. 31, 2023
Schedule Of Available For Sale Securities [Line Items]
Debt Securities, Amortized cost	$ 7,256.7	$ 7,895.2
Debt Securities, Gross unrealized gains	61.9	29.6
Debt Securities, Gross unrealized losses	(303.3)	(767.3)
Debt securities, Estimated fair value	7,015.3	7,157.5
U.S. Treasury bonds
Schedule Of Available For Sale Securities [Line Items]
Debt Securities, Amortized cost	191.8	203.3
Debt Securities, Gross unrealized gains	1.6	0.5
Debt Securities, Gross unrealized losses	(3)	(4.5)
Debt securities, Estimated fair value	190.4	199.3
Municipal bonds
Schedule Of Available For Sale Securities [Line Items]
Debt Securities, Amortized cost	777.2	1,373.7
Debt Securities, Gross unrealized gains	9.5	8.8
Debt Securities, Gross unrealized losses	(55.3)	(136.7)
Debt securities, Estimated fair value	731.4	1,245.8
Foreign government bonds
Schedule Of Available For Sale Securities [Line Items]
Debt Securities, Amortized cost	230.7	228.4
Debt Securities, Gross unrealized gains	2.5	1.4
Debt Securities, Gross unrealized losses	(6.6)	(10.5)
Debt securities, Estimated fair value	226.6	219.3
Governmental agency bonds
Schedule Of Available For Sale Securities [Line Items]
Debt Securities, Amortized cost	229.6	207.7
Debt Securities, Gross unrealized gains	0.1	0.2
Debt Securities, Gross unrealized losses	(7.7)	(12.5)
Debt securities, Estimated fair value	222	195.4
Governmental agency mortgage-backed securities
Schedule Of Available For Sale Securities [Line Items]
Debt Securities, Amortized cost	4,468.8	4,396.2
Debt Securities, Gross unrealized gains	23	6.3
Debt Securities, Gross unrealized losses	(205.9)	(526.8)
Debt securities, Estimated fair value	4,285.9	3,875.7
U.S. corporate debt securities
Schedule Of Available For Sale Securities [Line Items]
Debt Securities, Amortized cost	865.2	1,007
Debt Securities, Gross unrealized gains	15.4	6.6
Debt Securities, Gross unrealized losses	(16.1)	(55.2)
Debt securities, Estimated fair value	864.5	958.4
Foreign corporate debt securities
Schedule Of Available For Sale Securities [Line Items]
Debt Securities, Amortized cost	493.4	478.9
Debt Securities, Gross unrealized gains	9.8	5.8
Debt Securities, Gross unrealized losses	(8.7)	(21.1)
Debt securities, Estimated fair value	$ 494.5	$ 463.6

Debt Securities (Sales of Debt

Debt Securities (Sales of Debt Securities) (Narrative) (Detail) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2023
Debt Securities, Available-for-Sale [Line Items]
Realized losses on sales of debt securities	$ (346.9)	$ (5.2)	$ (352.4)	$ (18.8)
Realized gains on sales of debt securities	20.3	0.1	21.4	6.4
Proceeds from sales of debt securities	4,600	$ 178.7	$ 4,938.1	$ 1,081.7
Investment Portfolio Rebalancing Project
Debt Securities, Available-for-Sale [Line Items]
Realized losses on sales of debt securities	(345.4)
Proceeds from sales of debt securities	$ 2,800

Debt Securities (Gross Unrealiz

Debt Securities (Gross Unrealized Losses on Investments in Debt Securities) (Detail) - USD ($) $ in Millions	Sep. 30, 2024	Dec. 31, 2023
Schedule Of Available For Sale Securities [Line Items]
Estimated fair value, Less than 12 months	$ 1,843.8	$ 552
Unrealized losses, Less than 12 months	(11.5)	(8.2)
Estimated fair value, 12 months or longer	2,332.7	5,327.6
Unrealized losses, 12 months or longer	(291.8)	(759.1)
Estimated fair value, Total	4,176.5	5,879.6
Unrealized losses, Total	(303.3)	(767.3)
U.S. Treasury bonds
Schedule Of Available For Sale Securities [Line Items]
Estimated fair value, Less than 12 months	1.3	8.2
Unrealized losses, Less than 12 months	0	(0.1)
Estimated fair value, 12 months or longer	57.9	55.4
Unrealized losses, 12 months or longer	(3)	(4.4)
Estimated fair value, Total	59.2	63.6
Unrealized losses, Total	(3)	(4.5)
Municipal bonds
Schedule Of Available For Sale Securities [Line Items]
Estimated fair value, Less than 12 months	49.7	107.4
Unrealized losses, Less than 12 months	(0.2)	(0.9)
Estimated fair value, 12 months or longer	455.5	956.8
Unrealized losses, 12 months or longer	(55.1)	(135.8)
Estimated fair value, Total	505.2	1,064.2
Unrealized losses, Total	(55.3)	(136.7)
Foreign government bonds
Schedule Of Available For Sale Securities [Line Items]
Estimated fair value, Less than 12 months	10.4	33.3
Unrealized losses, Less than 12 months	0	(0.1)
Estimated fair value, 12 months or longer	78.2	101.4
Unrealized losses, 12 months or longer	(6.6)	(10.4)
Estimated fair value, Total	88.6	134.7
Unrealized losses, Total	(6.6)	(10.5)
Governmental agency bonds
Schedule Of Available For Sale Securities [Line Items]
Estimated fair value, Less than 12 months	172.8	0.4
Unrealized losses, Less than 12 months	(0.4)	0
Estimated fair value, 12 months or longer	40.4	118.9
Unrealized losses, 12 months or longer	(7.3)	(12.5)
Estimated fair value, Total	213.2	119.3
Unrealized losses, Total	(7.7)	(12.5)
Governmental agency mortgage-backed securities
Schedule Of Available For Sale Securities [Line Items]
Estimated fair value, Less than 12 months	1,351.7	338.3
Unrealized losses, Less than 12 months	(9.7)	(6.6)
Estimated fair value, 12 months or longer	1,419.2	3,225.3
Unrealized losses, 12 months or longer	(196.2)	(520.2)
Estimated fair value, Total	2,770.9	3,563.6
Unrealized losses, Total	(205.9)	(526.8)
U.S. corporate debt securities
Schedule Of Available For Sale Securities [Line Items]
Estimated fair value, Less than 12 months	189.5	45.1
Unrealized losses, Less than 12 months	(0.7)	(0.4)
Estimated fair value, 12 months or longer	140.9	602.5
Unrealized losses, 12 months or longer	(15.4)	(54.8)
Estimated fair value, Total	330.4	647.6
Unrealized losses, Total	(16.1)	(55.2)
Foreign corporate debt securities
Schedule Of Available For Sale Securities [Line Items]
Estimated fair value, Less than 12 months	68.4	19.3
Unrealized losses, Less than 12 months	(0.5)	(0.1)
Estimated fair value, 12 months or longer	140.6	267.3
Unrealized losses, 12 months or longer	(8.2)	(21)
Estimated fair value, Total	209	286.6
Unrealized losses, Total	$ (8.7)	$ (21.1)

Debt Securities (Investments _2

Debt Securities (Investments in Debt Securities by Contractual Maturity) (Detail) - USD ($) $ in Millions	Sep. 30, 2024	Dec. 31, 2023
Schedule Of Available For Sale Securities [Line Items]
Debt Securities, Amortized cost	$ 7,256.7	$ 7,895.2
Debt securities, Estimated fair value	7,015.3	7,157.5
U.S. Treasury bonds
Schedule Of Available For Sale Securities [Line Items]
Amortized cost, Due in one year or less	40.6
Amortized cost, Due after one through five years	133.8
Amortized cost, Due after five through ten years	4.7
Amortized cost, Due after ten years	12.7
Debt Securities, Amortized cost	191.8	203.3
Estimated fair value, Due in one year or less	40.4
Estimated fair value, Due after one through five years	132.7
Estimated fair value, Due after five through ten years	4.9
Estimated fair value, Due after ten years	12.4
Debt securities, Estimated fair value	190.4	199.3
Municipal bonds
Schedule Of Available For Sale Securities [Line Items]
Amortized cost, Due in one year or less	8.6
Amortized cost, Due after one through five years	52.2
Amortized cost, Due after five through ten years	231.6
Amortized cost, Due after ten years	484.8
Debt Securities, Amortized cost	777.2	1,373.7
Estimated fair value, Due in one year or less	8.6
Estimated fair value, Due after one through five years	50.9
Estimated fair value, Due after five through ten years	207.7
Estimated fair value, Due after ten years	464.2
Debt securities, Estimated fair value	731.4	1,245.8
Foreign government bonds
Schedule Of Available For Sale Securities [Line Items]
Amortized cost, Due in one year or less	17
Amortized cost, Due after one through five years	136.7
Amortized cost, Due after five through ten years	70.3
Amortized cost, Due after ten years	6.7
Debt Securities, Amortized cost	230.7	228.4
Estimated fair value, Due in one year or less	16.9
Estimated fair value, Due after one through five years	138.8
Estimated fair value, Due after five through ten years	64.8
Estimated fair value, Due after ten years	6.1
Debt securities, Estimated fair value	226.6	219.3
Governmental agency bonds
Schedule Of Available For Sale Securities [Line Items]
Amortized cost, Due in one year or less	8.5
Amortized cost, Due after one through five years	76.4
Amortized cost, Due after five through ten years	99.8
Amortized cost, Due after ten years	44.9
Debt Securities, Amortized cost	229.6	207.7
Estimated fair value, Due in one year or less	8.5
Estimated fair value, Due after one through five years	76.4
Estimated fair value, Due after five through ten years	99.3
Estimated fair value, Due after ten years	37.8
Debt securities, Estimated fair value	222	195.4
U.S. corporate debt securities
Schedule Of Available For Sale Securities [Line Items]
Amortized cost, Due in one year or less	13.6
Amortized cost, Due after one through five years	495.3
Amortized cost, Due after five through ten years	272
Amortized cost, Due after ten years	84.3
Debt Securities, Amortized cost	865.2	1,007
Estimated fair value, Due in one year or less	13.6
Estimated fair value, Due after one through five years	497.7
Estimated fair value, Due after five through ten years	275
Estimated fair value, Due after ten years	78.2
Debt securities, Estimated fair value	864.5	958.4
Foreign corporate debt securities
Schedule Of Available For Sale Securities [Line Items]
Amortized cost, Due in one year or less	34.2
Amortized cost, Due after one through five years	299.7
Amortized cost, Due after five through ten years	129.7
Amortized cost, Due after ten years	29.8
Debt Securities, Amortized cost	493.4	478.9
Estimated fair value, Due in one year or less	34
Estimated fair value, Due after one through five years	301.9
Estimated fair value, Due after five through ten years	130.8
Estimated fair value, Due after ten years	27.8
Debt securities, Estimated fair value	494.5	$ 463.6
Aggregate Debt Securities Excluding Mortgage Backed And Asset Backed Securities
Schedule Of Available For Sale Securities [Line Items]
Amortized cost, Due in one year or less	122.5
Amortized cost, Due after one through five years	1,194.1
Amortized cost, Due after five through ten years	808.1
Amortized cost, Due after ten years	663.2
Debt Securities, Amortized cost	2,787.9
Estimated fair value, Due in one year or less	122
Estimated fair value, Due after one through five years	1,198.4
Estimated fair value, Due after five through ten years	782.5
Estimated fair value, Due after ten years	626.5
Debt securities, Estimated fair value	2,729.4
Total Mortgage-Backed Securities
Schedule Of Available For Sale Securities [Line Items]
Amortized cost	4,468.8
Estimated fair value	$ 4,285.9

Debt Securities (Composition of

Debt Securities (Composition of Debt Securities Portfolio by Credit Rating Agencies) (Detail) - USD ($) $ in Millions	Sep. 30, 2024	Dec. 31, 2023
Schedule Of Available For Sale Securities [Line Items]
Debt securities, Estimated fair value	$ 7,015.3	$ 7,157.5
Investment Grade | A- or higher
Schedule Of Available For Sale Securities [Line Items]
Debt securities, Estimated fair value	$ 6,269.1
Percentage of debt securities by credit rating agencies	89.30%
Investment Grade | BBB+ to BBB-
Schedule Of Available For Sale Securities [Line Items]
Debt securities, Estimated fair value	$ 545.7
Percentage of debt securities by credit rating agencies	7.80%
Non-Investment Grade
Schedule Of Available For Sale Securities [Line Items]
Debt securities, Estimated fair value	$ 200.5
Percentage of debt securities by credit rating agencies	2.90%
U.S. Treasury bonds
Schedule Of Available For Sale Securities [Line Items]
Debt securities, Estimated fair value	$ 190.4	199.3
U.S. Treasury bonds | Investment Grade | A- or higher
Schedule Of Available For Sale Securities [Line Items]
Debt securities, Estimated fair value	$ 190.4
Percentage of debt securities by credit rating agencies	100%
U.S. Treasury bonds | Investment Grade | BBB+ to BBB-
Schedule Of Available For Sale Securities [Line Items]
Debt securities, Estimated fair value	$ 0
Percentage of debt securities by credit rating agencies	0%
U.S. Treasury bonds | Non-Investment Grade
Schedule Of Available For Sale Securities [Line Items]
Debt securities, Estimated fair value	$ 0
Percentage of debt securities by credit rating agencies	0%
Municipal bonds
Schedule Of Available For Sale Securities [Line Items]
Debt securities, Estimated fair value	$ 731.4	1,245.8
Municipal bonds | Investment Grade | A- or higher
Schedule Of Available For Sale Securities [Line Items]
Debt securities, Estimated fair value	$ 708.9
Percentage of debt securities by credit rating agencies	97%
Municipal bonds | Investment Grade | BBB+ to BBB-
Schedule Of Available For Sale Securities [Line Items]
Debt securities, Estimated fair value	$ 20.8
Percentage of debt securities by credit rating agencies	2.80%
Municipal bonds | Non-Investment Grade
Schedule Of Available For Sale Securities [Line Items]
Debt securities, Estimated fair value	$ 1.7
Percentage of debt securities by credit rating agencies	0.20%
Foreign government bonds
Schedule Of Available For Sale Securities [Line Items]
Debt securities, Estimated fair value	$ 226.6	219.3
Foreign government bonds | Investment Grade | A- or higher
Schedule Of Available For Sale Securities [Line Items]
Debt securities, Estimated fair value	$ 221
Percentage of debt securities by credit rating agencies	97.50%
Foreign government bonds | Investment Grade | BBB+ to BBB-
Schedule Of Available For Sale Securities [Line Items]
Debt securities, Estimated fair value	$ 4.8
Percentage of debt securities by credit rating agencies	2.10%
Foreign government bonds | Non-Investment Grade
Schedule Of Available For Sale Securities [Line Items]
Debt securities, Estimated fair value	$ 0.8
Percentage of debt securities by credit rating agencies	0.40%
Governmental agency bonds
Schedule Of Available For Sale Securities [Line Items]
Debt securities, Estimated fair value	$ 222	195.4
Governmental agency bonds | Investment Grade | A- or higher
Schedule Of Available For Sale Securities [Line Items]
Debt securities, Estimated fair value	$ 222
Percentage of debt securities by credit rating agencies	100%
Governmental agency bonds | Investment Grade | BBB+ to BBB-
Schedule Of Available For Sale Securities [Line Items]
Debt securities, Estimated fair value	$ 0
Percentage of debt securities by credit rating agencies	0%
Governmental agency bonds | Non-Investment Grade
Schedule Of Available For Sale Securities [Line Items]
Debt securities, Estimated fair value	$ 0
Percentage of debt securities by credit rating agencies	0%
Governmental agency mortgage-backed securities
Schedule Of Available For Sale Securities [Line Items]
Debt securities, Estimated fair value	$ 4,285.9	3,875.7
Governmental agency mortgage-backed securities | Investment Grade | A- or higher
Schedule Of Available For Sale Securities [Line Items]
Debt securities, Estimated fair value	$ 4,285.9
Percentage of debt securities by credit rating agencies	100%
Governmental agency mortgage-backed securities | Investment Grade | BBB+ to BBB-
Schedule Of Available For Sale Securities [Line Items]
Debt securities, Estimated fair value	$ 0
Percentage of debt securities by credit rating agencies	0%
Governmental agency mortgage-backed securities | Non-Investment Grade
Schedule Of Available For Sale Securities [Line Items]
Debt securities, Estimated fair value	$ 0
Percentage of debt securities by credit rating agencies	0%
U.S. corporate debt securities
Schedule Of Available For Sale Securities [Line Items]
Debt securities, Estimated fair value	$ 864.5	958.4
U.S. corporate debt securities | Investment Grade | A- or higher
Schedule Of Available For Sale Securities [Line Items]
Debt securities, Estimated fair value	$ 384.4
Percentage of debt securities by credit rating agencies	44.40%
U.S. corporate debt securities | Investment Grade | BBB+ to BBB-
Schedule Of Available For Sale Securities [Line Items]
Debt securities, Estimated fair value	$ 325.7
Percentage of debt securities by credit rating agencies	37.70%
U.S. corporate debt securities | Non-Investment Grade
Schedule Of Available For Sale Securities [Line Items]
Debt securities, Estimated fair value	$ 154.4
Percentage of debt securities by credit rating agencies	17.90%
Foreign corporate debt securities
Schedule Of Available For Sale Securities [Line Items]
Debt securities, Estimated fair value	$ 494.5	$ 463.6
Foreign corporate debt securities | Investment Grade | A- or higher
Schedule Of Available For Sale Securities [Line Items]
Debt securities, Estimated fair value	$ 256.5
Percentage of debt securities by credit rating agencies	51.90%
Foreign corporate debt securities | Investment Grade | BBB+ to BBB-
Schedule Of Available For Sale Securities [Line Items]
Debt securities, Estimated fair value	$ 194.4
Percentage of debt securities by credit rating agencies	39.30%
Foreign corporate debt securities | Non-Investment Grade
Schedule Of Available For Sale Securities [Line Items]
Debt securities, Estimated fair value	$ 43.6
Percentage of debt securities by credit rating agencies	8.80%

Debt Securities (Composition _2

Debt Securities (Composition of Debt Securities Portfolio by Credit Rating Agencies) (Narrative) (Detail) - USD ($) $ in Millions	Sep. 30, 2024	Dec. 31, 2023
Schedule Of Available For Sale Securities [Line Items]
Debt securities, Estimated fair value	$ 7,015.3	$ 7,157.5
Estimated fair value of debt securities, Unrealized loss position	4,176.5	$ 5,879.6
Bank Loans
Schedule Of Available For Sale Securities [Line Items]
Debt securities, Estimated fair value	120.3
Estimated fair value of debt securities, Unrealized loss position	29.9
Emerging Market Securities
Schedule Of Available For Sale Securities [Line Items]
Debt securities, Estimated fair value	38.2
Estimated fair value of debt securities, Unrealized loss position	22.5
Non-Investment Grade
Schedule Of Available For Sale Securities [Line Items]
Debt securities, Estimated fair value	200.5
Estimated fair value of debt securities, Unrealized loss position	53
Non-Investment Grade | Bank Loans
Schedule Of Available For Sale Securities [Line Items]
Debt securities, Estimated fair value	111.5
Estimated fair value of debt securities, Unrealized loss position	29.7
Non-Investment Grade | High Yield Corporate Debt Securities
Schedule Of Available For Sale Securities [Line Items]
Debt securities, Estimated fair value	79.7
Estimated fair value of debt securities, Unrealized loss position	19.6
Non-Investment Grade | Emerging Market Securities
Schedule Of Available For Sale Securities [Line Items]
Debt securities, Estimated fair value	7.6
Estimated fair value of debt securities, Unrealized loss position	$ 3.4

Debt Securities (Composition _3

Debt Securities (Composition of Debt Securities Portfolio in Unrealized Loss Position by Credit Rating Agencies) (Detail) - USD ($) $ in Millions	Sep. 30, 2024	Dec. 31, 2023
Schedule Of Available For Sale Securities [Line Items]
Estimated fair value of debt securities, Unrealized loss position	$ 4,176.5	$ 5,879.6
U.S. Treasury bonds
Schedule Of Available For Sale Securities [Line Items]
Estimated fair value of debt securities, Unrealized loss position	59.2
Municipal bonds
Schedule Of Available For Sale Securities [Line Items]
Estimated fair value of debt securities, Unrealized loss position	505.2
Foreign government bonds
Schedule Of Available For Sale Securities [Line Items]
Estimated fair value of debt securities, Unrealized loss position	88.6
Governmental agency bonds
Schedule Of Available For Sale Securities [Line Items]
Estimated fair value of debt securities, Unrealized loss position	213.2
Governmental agency mortgage-backed securities
Schedule Of Available For Sale Securities [Line Items]
Estimated fair value of debt securities, Unrealized loss position	2,770.9
U.S. corporate debt securities
Schedule Of Available For Sale Securities [Line Items]
Estimated fair value of debt securities, Unrealized loss position	330.4
Foreign corporate debt securities
Schedule Of Available For Sale Securities [Line Items]
Estimated fair value of debt securities, Unrealized loss position	209
Investment Grade | A- or higher
Schedule Of Available For Sale Securities [Line Items]
Estimated fair value of debt securities, Unrealized loss position	$ 3,892.1
Percentage of debt securities in unrealized loss position	93.20%
Investment Grade | BBB+ to BBB-
Schedule Of Available For Sale Securities [Line Items]
Estimated fair value of debt securities, Unrealized loss position	$ 231.4
Percentage of debt securities in unrealized loss position	5.50%
Investment Grade | U.S. Treasury bonds | A- or higher
Schedule Of Available For Sale Securities [Line Items]
Estimated fair value of debt securities, Unrealized loss position	$ 59.2
Percentage of debt securities in unrealized loss position	100%
Investment Grade | U.S. Treasury bonds | BBB+ to BBB-
Schedule Of Available For Sale Securities [Line Items]
Estimated fair value of debt securities, Unrealized loss position	$ 0
Percentage of debt securities in unrealized loss position	0%
Investment Grade | Municipal bonds | A- or higher
Schedule Of Available For Sale Securities [Line Items]
Estimated fair value of debt securities, Unrealized loss position	$ 489.2
Percentage of debt securities in unrealized loss position	96.80%
Investment Grade | Municipal bonds | BBB+ to BBB-
Schedule Of Available For Sale Securities [Line Items]
Estimated fair value of debt securities, Unrealized loss position	$ 15.7
Percentage of debt securities in unrealized loss position	3.10%
Investment Grade | Foreign government bonds | A- or higher
Schedule Of Available For Sale Securities [Line Items]
Estimated fair value of debt securities, Unrealized loss position	$ 86.5
Percentage of debt securities in unrealized loss position	97.60%
Investment Grade | Foreign government bonds | BBB+ to BBB-
Schedule Of Available For Sale Securities [Line Items]
Estimated fair value of debt securities, Unrealized loss position	$ 1.3
Percentage of debt securities in unrealized loss position	1.50%
Investment Grade | Governmental agency bonds | A- or higher
Schedule Of Available For Sale Securities [Line Items]
Estimated fair value of debt securities, Unrealized loss position	$ 213.2
Percentage of debt securities in unrealized loss position	100%
Investment Grade | Governmental agency bonds | BBB+ to BBB-
Schedule Of Available For Sale Securities [Line Items]
Estimated fair value of debt securities, Unrealized loss position	$ 0
Percentage of debt securities in unrealized loss position	0%
Investment Grade | Governmental agency mortgage-backed securities | A- or higher
Schedule Of Available For Sale Securities [Line Items]
Estimated fair value of debt securities, Unrealized loss position	$ 2,770.9
Percentage of debt securities in unrealized loss position	100%
Investment Grade | Governmental agency mortgage-backed securities | BBB+ to BBB-
Schedule Of Available For Sale Securities [Line Items]
Estimated fair value of debt securities, Unrealized loss position	$ 0
Percentage of debt securities in unrealized loss position	0%
Investment Grade | U.S. corporate debt securities | A- or higher
Schedule Of Available For Sale Securities [Line Items]
Estimated fair value of debt securities, Unrealized loss position	$ 154.5
Percentage of debt securities in unrealized loss position	46.80%
Investment Grade | U.S. corporate debt securities | BBB+ to BBB-
Schedule Of Available For Sale Securities [Line Items]
Estimated fair value of debt securities, Unrealized loss position	$ 136.9
Percentage of debt securities in unrealized loss position	41.40%
Investment Grade | Foreign corporate debt securities | A- or higher
Schedule Of Available For Sale Securities [Line Items]
Estimated fair value of debt securities, Unrealized loss position	$ 118.6
Percentage of debt securities in unrealized loss position	56.70%
Investment Grade | Foreign corporate debt securities | BBB+ to BBB-
Schedule Of Available For Sale Securities [Line Items]
Estimated fair value of debt securities, Unrealized loss position	$ 77.5
Percentage of debt securities in unrealized loss position	37.10%
Non-Investment Grade
Schedule Of Available For Sale Securities [Line Items]
Estimated fair value of debt securities, Unrealized loss position	$ 53
Percentage of debt securities in unrealized loss position	1.30%
Non-Investment Grade | U.S. Treasury bonds
Schedule Of Available For Sale Securities [Line Items]
Estimated fair value of debt securities, Unrealized loss position	$ 0
Percentage of debt securities in unrealized loss position	0%
Non-Investment Grade | Municipal bonds
Schedule Of Available For Sale Securities [Line Items]
Estimated fair value of debt securities, Unrealized loss position	$ 0.3
Percentage of debt securities in unrealized loss position	0.10%
Non-Investment Grade | Foreign government bonds
Schedule Of Available For Sale Securities [Line Items]
Estimated fair value of debt securities, Unrealized loss position	$ 0.8
Percentage of debt securities in unrealized loss position	0.90%
Non-Investment Grade | Governmental agency bonds
Schedule Of Available For Sale Securities [Line Items]
Estimated fair value of debt securities, Unrealized loss position	$ 0
Percentage of debt securities in unrealized loss position	0%
Non-Investment Grade | Governmental agency mortgage-backed securities
Schedule Of Available For Sale Securities [Line Items]
Estimated fair value of debt securities, Unrealized loss position	$ 0
Percentage of debt securities in unrealized loss position	0%
Non-Investment Grade | U.S. corporate debt securities
Schedule Of Available For Sale Securities [Line Items]
Estimated fair value of debt securities, Unrealized loss position	$ 39
Percentage of debt securities in unrealized loss position	11.80%
Non-Investment Grade | Foreign corporate debt securities
Schedule Of Available For Sale Securities [Line Items]
Estimated fair value of debt securities, Unrealized loss position	$ 12.9
Percentage of debt securities in unrealized loss position	6.20%

Equity Securities - (Summary of

Equity Securities - (Summary of Investments in Equity Securities, by Classification) (Detail) - USD ($) $ in Millions	Sep. 30, 2024	Dec. 31, 2023
Investments, Debt and Equity Securities [Abstract]
Marketable equity securities	$ 404.8	$ 436.9
Non-marketable equity securities	219.1	224.1
Equity method investments	101.1	74.6
Equity Securities	$ 725	$ 735.6

Equity Securities - (Summary _2

Equity Securities - (Summary of Investments in Marketable Equity Securities) (Detail) - USD ($) $ in Millions	Sep. 30, 2024	Dec. 31, 2023
Schedule Of Trading Securities And Other Trading Assets [Line Items]
Equity securities, Cost	$ 413.1	$ 445.1
Equity securities, Unrealized losses	(8.3)	(8.2)
Equity securities, Estimated fair value	404.8	436.9
Common Stock
Schedule Of Trading Securities And Other Trading Assets [Line Items]
Equity securities, Cost	400.3	429.4
Equity securities, Unrealized losses	(8.1)	(4.9)
Equity securities, Estimated fair value	392.2	424.5
Preferred Stock
Schedule Of Trading Securities And Other Trading Assets [Line Items]
Equity securities, Cost	12.8	15.7
Equity securities, Unrealized losses	(0.2)	(3.3)
Equity securities, Estimated fair value	$ 12.6	$ 12.4

Equity Securities (Narrative) (

Equity Securities (Narrative) (Detail) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2023
Schedule Of Investments [Line Items]
Realized and unrealized net gains (losses) on equity securities	$ 19.5	$ (29.4)	$ 18.2	$ 20.5
Net unrealized gains (losses) on equity securities	17.6	(32.2)	14.9	19
Common Stock | Offerpad Inc [Member]
Schedule Of Investments [Line Items]
Net unrealized gains (losses) on equity securities	$ (1.8)	$ (16.4)	$ (31.7)	$ 10.2

Equity Securities - (Summary _3

Equity Securities - (Summary of Changes in Carrying Amounts of Non Marketable Equity Securities) (Detail) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2023
Equity Securities Without Readily Determinable Fair Value [Line Items]
Carrying amount, beginning of period			$ 224.1
Carrying amount, end of period	$ 219.1		219.1
Non Marketable Equity Securities
Equity Securities Without Readily Determinable Fair Value [Line Items]
Carrying amount, beginning of period	225.8	$ 362.9	224.1	$ 395.8
Net additions (disposals)	2.4	(6)	5.5	0.8
Gross unrealized gains	0.1	0	1.5	0
Gross unrealized losses and impairments	(9.2)	(130.2)	(12)	(169.9)
Carrying amount, end of period	$ 219.1	$ 226.7	$ 219.1	$ 226.7

Equity Securities - (Summary _4

Equity Securities - (Summary of Cumulative Gross Unrealized Gains and Cumulative Gross Unrealized Losses and Impairments) (Details) - Non Marketable Equity Securities - USD ($) $ in Millions	Sep. 30, 2024	Dec. 31, 2023
Equity Securities without Readily Determinable Fair Value [Line Items]
Cumulative gross unrealized gains	$ 244.8	$ 243.3
Cumulative gross unrealized losses and impairments	$ 334.4	$ 322.4

Allowance for Credit Losses - S

Allowance for Credit Losses - Summary of Allowance for Credit Losses on Accounts Receivables (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2023
Receivables [Abstract]
Balance at beginning of period	$ 21.4	$ 20.9	$ 21.8	$ 21.3
Provision for expected credit losses	2.9	1.6	5.7	4.4
Write-offs/recoveries	(1.5)	(2)	(4.7)	(5.2)
Balance at end of period	$ 22.8	$ 20.5	$ 22.8	$ 20.5

Goodwill (Carrying Amount of Go

Goodwill (Carrying Amount of Goodwill by Reportable Segment) (Detail) $ in Millions	9 Months Ended
	Sep. 30, 2024 USD ($)
Goodwill [Line Items]
Balance at beginning of period	$ 1,807.5
Acquisitions	2.8
Foreign currency translation	0.4
Balance at end of period	1,810.7
Title Insurance and Services
Goodwill [Line Items]
Balance at beginning of period	1,766.6
Acquisitions	2.8
Foreign currency translation	0.4
Balance at end of period	1,769.8
Home Warranty
Goodwill [Line Items]
Balance at beginning of period	40.9
Acquisitions	0
Foreign currency translation	0
Balance at end of period	$ 40.9

Other Intangible Assets - Sched

Other Intangible Assets - Schedule of Other Intangible Assets (Detail) - USD ($) $ in Millions	Sep. 30, 2024	Dec. 31, 2023
Intangible Assets, Net (Excluding Goodwill) [Abstract]
Customer relationships	$ 161.7	$ 191.4
Noncompete agreements	10.7	28.2
Trademarks	70.7	70.6
Internal-use software licenses	21.7	16.5
Patents	2.8	2.8
Finite-lived intangible assets, gross	267.6	309.5
Accumulated amortization	(149.9)	(172.6)
Finite-lived intangible assets, net	117.7	136.9
Licenses	16.9	16.9
Other intangibles assets, net	$ 134.6	$ 153.8

Other Intangible Assets - Narra

Other Intangible Assets - Narrative (Detail) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2023
Intangible Assets, Net (Excluding Goodwill) [Abstract]
Amortization expense	$ 10.7	$ 12.9	$ 34.2	$ 39

Other Intangible Assets - Estim

Other Intangible Assets - Estimated Amortization Expense for Finite-Lived Intangible Assets (Detail) $ in Millions	Sep. 30, 2024 USD ($)
Intangible Assets, Net (Excluding Goodwill) [Abstract]
Remainder of 2024	$ 9.9
2025	31
2026	27.7
2027	13.1
2028	8.5
2029	$ 6

Reserve for Known and Incurre_3

Reserve for Known and Incurred but Not Reported Claims (Activity in Reserve for Known and Incurred but Not Reported Claims) (Detail) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2023
Liability for Unpaid Claims and Claims Adjustment Expense [Roll Forward]
Balance at beginning of period			$ 1,282.4	$ 1,325.3
Provision related to current year			267.1	273.7
Provision related to prior years			(26.3)	(10.8)
Total Provision	$ 91.8	$ 91.1	240.8	262.9
Payments, net of recoveries, related to: Current year			146.3	142.1
Payments, net of recoveries, related to: Prior years			149.6	147
Total Payments, net of recoveries			295.9	289.1
Other			2.7	0.4
Balance at end of period	$ 1,230	$ 1,299.5	$ 1,230	$ 1,299.5

Reserve for Known and Incurre_4

Reserve for Known and Incurred but Not Reported Claims (Narrative) (Detail) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2023
Insurance [Abstract]
Provision for title loss, percentage of title premiums and escrow fees	3%	3%	3%	3.33%
Ultimate loss rate			3.75%	3.75%
Percentage reserve releases for prior policy years	0.75%	0.75%	0.75%	0.42%
Reserve releases for prior policy years	$ 9.1	$ 8.6	$ 25	$ 14

Reserve for Known and Incurre_5

Reserve for Known and Incurred but Not Reported Claims (Summary of Loss Reserves) (Detail) - USD ($) $ in Millions	Sep. 30, 2024	Dec. 31, 2023	Sep. 30, 2023	Dec. 31, 2022
Liability for Claims and Claims Adjustment Expense [Line Items]
Known title claims, amount	$ 57.7	$ 55.5
Incurred but not reported claims, amount	1,136.3	1,186.5
Non-title claims, amount	36	40.4
Total loss reserves, amount	$ 1,230	$ 1,282.4	$ 1,299.5	$ 1,325.3
Known title claims, percent	4.70%	4.30%
Incurred but not reported claims, percent	92.40%	92.50%
Total title claims, percent	97.10%	96.80%
Non-title claims, percent	2.90%	3.20%
Total loss reserves, percent	100%	100%
Title Claims
Liability for Claims and Claims Adjustment Expense [Line Items]
Total loss reserves, amount	$ 1,194	$ 1,242

Notes and Contracts Payable (Na

Notes and Contracts Payable (Narrative) (Detail) $ in Millions	9 Months Ended
	Sep. 30, 2024 USD ($)
Debt Instrument [Line Items]
Debt instrument, interest rate terms	Interest is due semi-annually on March 30 and September 30, beginning March 30, 2025.
Unsecured Debt
Debt Instrument [Line Items]
Unsecured notes	$ 450
Effective interest rate	5.45%

Income Taxes (Narrative) (Detai

Income Taxes (Narrative) (Detail) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2023	Dec. 31, 2023
Income Tax Disclosure [Abstract]
Effective income tax rates	28.40%	29.40%	8.90%	23.20%
Deferred tax asset valuation allowance	$ 13.7		$ 13.7		$ 13.7
Liabilities for income taxes associated with uncertain tax positions	30.5		30.5		12.4
Offsetting tax benefits related to uncertain tax positions	$ 3.6		$ 3.6		$ 0.8
Unrecognized tax positions increase decrease, months			It is reasonably possible that the unrecognized benefit with respect to certain of the Company’s unrecognized tax positions may increase or decrease within the next 12 months. Any such change may be the result of either ongoing audits or the expiration of federal and state statutes of limitations for the assessment of taxes.
Minimum tax rate in jurisdictions which it operates percentage subject to international anti-base erosion rules			15%

Earnings (Losses) Per Share (Sc

Earnings (Losses) Per Share (Schedule of Earnings (Losses) Per Share) (Detail) - USD ($) $ / shares in Units, shares in Millions, $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2023
Earnings Per Share [Line Items]
Net (loss) income attributable to the Company	$ (104)	$ (1.7)	$ 58.7	$ 182.7
Basic weighted-average shares	103.6	104.2	103.9	104.4
Diluted weighted-average shares	103.6	104.2	104.3	104.7
Basic	$ (1)	$ (0.02)	$ 0.56	$ 1.75
Diluted	$ (1)	$ (0.02)	$ 0.56	$ 1.75
RSUs and PRSUs
Earnings Per Share [Line Items]
Effect of dilutive restricted stock units ("RSUs") and performance restricted stock units ("PRSUs")	0	0	0.4	0.3

Earnings (Losses) Per Share (Na

Earnings (Losses) Per Share (Narrative) (Detail) - shares shares in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2023
RSUs
Antidilutive Securities Excluded From Computation Of Earnings Per Share [Line Items]
Antidilutive securities excluded from the weighted-average diluted common shares outstanding	353	288	6	15
PRSUs
Antidilutive Securities Excluded From Computation Of Earnings Per Share [Line Items]
Antidilutive securities excluded from the weighted-average diluted common shares outstanding	129	39	42	14

Employee Benefit Plans (Net Per

Employee Benefit Plans (Net Periodic Benefit Costs) (Detail) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2023
Defined Benefit Plan, Net Periodic Benefit Cost (Credit) [Abstract]
Service costs	$ 0	$ 0.1	$ 0.1	$ 0.1
Interest costs	2.4	2.5	7.2	7.6
Amortization of net actuarial loss	0.6	0.4	1.7	1.5
Net periodic costs	$ 3	$ 3	$ 9	$ 9.2

Employee Benefit Plans (Narrati

Employee Benefit Plans (Narrative) (Detail) - Unfunded Supplemental Benefit Plans $ in Millions	9 Months Ended
	Sep. 30, 2024 USD ($)
Defined Benefit Plan Disclosure [Line Items]
Contribution for pension obligation	$ 11.4
Cash contribution to plans during the remainder	$ 4.8

Fair Value Measurements - Fair

Fair Value Measurements - Fair Value of Assets Measured on Recurring Basis (Details) - USD ($) $ in Millions	Sep. 30, 2024	Dec. 31, 2023
Fair Value, Assets and Liabilities Measured on Recurring Basis [Abstract]
Debt securities, estimated fair value	$ 7,015.3	$ 7,157.5
Equity securities, estimated fair value	404.8	436.9
Mortgage loans held for sale	13.2	13.1
Total assets	7,433.3	7,607.5
U.S. Treasury bonds
Fair Value, Assets and Liabilities Measured on Recurring Basis [Abstract]
Debt securities, estimated fair value	190.4	199.3
Municipal bonds
Fair Value, Assets and Liabilities Measured on Recurring Basis [Abstract]
Debt securities, estimated fair value	731.4	1,245.8
Foreign government bonds
Fair Value, Assets and Liabilities Measured on Recurring Basis [Abstract]
Debt securities, estimated fair value	226.6	219.3
Governmental agency bonds
Fair Value, Assets and Liabilities Measured on Recurring Basis [Abstract]
Debt securities, estimated fair value	222	195.4
Governmental agency mortgage-backed securities
Fair Value, Assets and Liabilities Measured on Recurring Basis [Abstract]
Debt securities, estimated fair value	4,285.9	3,875.7
U.S. corporate debt securities
Fair Value, Assets and Liabilities Measured on Recurring Basis [Abstract]
Debt securities, estimated fair value	864.5	958.4
Foreign corporate debt securities
Fair Value, Assets and Liabilities Measured on Recurring Basis [Abstract]
Debt securities, estimated fair value	494.5	463.6
Common Stock
Fair Value, Assets and Liabilities Measured on Recurring Basis [Abstract]
Equity securities, estimated fair value	392.2	424.5
Preferred Stock
Fair Value, Assets and Liabilities Measured on Recurring Basis [Abstract]
Equity securities, estimated fair value	12.6	12.4
Level 1
Fair Value, Assets and Liabilities Measured on Recurring Basis [Abstract]
Debt securities, estimated fair value	0	0
Equity securities, estimated fair value	404.8	436.9
Mortgage loans held for sale	0	0
Total assets	404.8	436.9
Level 1 | U.S. Treasury bonds
Fair Value, Assets and Liabilities Measured on Recurring Basis [Abstract]
Debt securities, estimated fair value	0	0
Level 1 | Municipal bonds
Fair Value, Assets and Liabilities Measured on Recurring Basis [Abstract]
Debt securities, estimated fair value	0	0
Level 1 | Foreign government bonds
Fair Value, Assets and Liabilities Measured on Recurring Basis [Abstract]
Debt securities, estimated fair value	0	0
Level 1 | Governmental agency bonds
Fair Value, Assets and Liabilities Measured on Recurring Basis [Abstract]
Debt securities, estimated fair value	0	0
Level 1 | Governmental agency mortgage-backed securities
Fair Value, Assets and Liabilities Measured on Recurring Basis [Abstract]
Debt securities, estimated fair value	0	0
Level 1 | U.S. corporate debt securities
Fair Value, Assets and Liabilities Measured on Recurring Basis [Abstract]
Debt securities, estimated fair value	0	0
Level 1 | Foreign corporate debt securities
Fair Value, Assets and Liabilities Measured on Recurring Basis [Abstract]
Debt securities, estimated fair value	0	0
Level 1 | Common Stock
Fair Value, Assets and Liabilities Measured on Recurring Basis [Abstract]
Equity securities, estimated fair value	392.2	424.5
Level 1 | Preferred Stock
Fair Value, Assets and Liabilities Measured on Recurring Basis [Abstract]
Equity securities, estimated fair value	12.6	12.4
Level 2
Fair Value, Assets and Liabilities Measured on Recurring Basis [Abstract]
Debt securities, estimated fair value	7,015.3	7,157.5
Equity securities, estimated fair value	0	0
Mortgage loans held for sale	12.7	11.8
Total assets	7,028	7,169.3
Level 2 | U.S. Treasury bonds
Fair Value, Assets and Liabilities Measured on Recurring Basis [Abstract]
Debt securities, estimated fair value	190.4	199.3
Level 2 | Municipal bonds
Fair Value, Assets and Liabilities Measured on Recurring Basis [Abstract]
Debt securities, estimated fair value	731.4	1,245.8
Level 2 | Foreign government bonds
Fair Value, Assets and Liabilities Measured on Recurring Basis [Abstract]
Debt securities, estimated fair value	226.6	219.3
Level 2 | Governmental agency bonds
Fair Value, Assets and Liabilities Measured on Recurring Basis [Abstract]
Debt securities, estimated fair value	222	195.4
Level 2 | Governmental agency mortgage-backed securities
Fair Value, Assets and Liabilities Measured on Recurring Basis [Abstract]
Debt securities, estimated fair value	4,285.9	3,875.7
Level 2 | U.S. corporate debt securities
Fair Value, Assets and Liabilities Measured on Recurring Basis [Abstract]
Debt securities, estimated fair value	864.5	958.4
Level 2 | Foreign corporate debt securities
Fair Value, Assets and Liabilities Measured on Recurring Basis [Abstract]
Debt securities, estimated fair value	494.5	463.6
Level 2 | Common Stock
Fair Value, Assets and Liabilities Measured on Recurring Basis [Abstract]
Equity securities, estimated fair value	0	0
Level 2 | Preferred Stock
Fair Value, Assets and Liabilities Measured on Recurring Basis [Abstract]
Equity securities, estimated fair value	0	0
Level 3
Fair Value, Assets and Liabilities Measured on Recurring Basis [Abstract]
Debt securities, estimated fair value	0	0
Equity securities, estimated fair value	0	0
Mortgage loans held for sale	0.5	1.3
Total assets	0.5	1.3
Level 3 | U.S. Treasury bonds
Fair Value, Assets and Liabilities Measured on Recurring Basis [Abstract]
Debt securities, estimated fair value	0	0
Level 3 | Municipal bonds
Fair Value, Assets and Liabilities Measured on Recurring Basis [Abstract]
Debt securities, estimated fair value	0	0
Level 3 | Foreign government bonds
Fair Value, Assets and Liabilities Measured on Recurring Basis [Abstract]
Debt securities, estimated fair value	0	0
Level 3 | Governmental agency bonds
Fair Value, Assets and Liabilities Measured on Recurring Basis [Abstract]
Debt securities, estimated fair value	0	0
Level 3 | Governmental agency mortgage-backed securities
Fair Value, Assets and Liabilities Measured on Recurring Basis [Abstract]
Debt securities, estimated fair value	0	0
Level 3 | U.S. corporate debt securities
Fair Value, Assets and Liabilities Measured on Recurring Basis [Abstract]
Debt securities, estimated fair value	0	0
Level 3 | Foreign corporate debt securities
Fair Value, Assets and Liabilities Measured on Recurring Basis [Abstract]
Debt securities, estimated fair value	0	0
Level 3 | Common Stock
Fair Value, Assets and Liabilities Measured on Recurring Basis [Abstract]
Equity securities, estimated fair value	0	0
Level 3 | Preferred Stock
Fair Value, Assets and Liabilities Measured on Recurring Basis [Abstract]
Equity securities, estimated fair value	$ 0	$ 0

Fair Value Measurements - Carry

Fair Value Measurements - Carrying Amounts and Estimated Fair Values of Financial Instruments Not Measured at Fair Value (Details) - USD ($) $ in Millions	Sep. 30, 2024	Dec. 31, 2023
Carrying Amount
Assets:
Cash and cash equivalents	$ 2,953.4	$ 3,605.3
Deposits with banks	55.4	55.8
Notes receivable, net	28	22.4
Secured financings receivable	984	636.5
Liabilities:
Secured financings payable	878.2	553.3
Notes and contracts payable	1,847.7	1,393.9
Estimated Fair Value
Assets:
Cash and cash equivalents	2,953.4	3,605.3
Deposits with banks	55.4	55.6
Notes receivable, net	29.1	23.2
Secured financings receivable	984	636.5
Liabilities:
Secured financings payable	878.8	553.3
Notes and contracts payable	1,732.8	1,219.6
Estimated Fair Value | Level 1
Assets:
Cash and cash equivalents	2,953.4	3,605.3
Deposits with banks	2.9	4
Notes receivable, net	0	0
Secured financings receivable	0	0
Liabilities:
Secured financings payable	0	0
Notes and contracts payable	0	0
Estimated Fair Value | Level 2
Assets:
Cash and cash equivalents	0	0
Deposits with banks	52.5	51.6
Notes receivable, net	0	0
Secured financings receivable	984	636.5
Liabilities:
Secured financings payable	878.8	553.3
Notes and contracts payable	1,720.2	1,215.4
Estimated Fair Value | Level 3
Assets:
Cash and cash equivalents	0	0
Deposits with banks	0	0
Notes receivable, net	29.1	23.2
Secured financings receivable	0	0
Liabilities:
Secured financings payable	0	0
Notes and contracts payable	$ 12.6	$ 4.2

Share-Based Compensation (Costs

Share-Based Compensation (Costs Associated with Share-Based Compensation Plans) (Detail) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2023
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Share-based compensation	$ 9.7	$ 8.9	$ 42.5	$ 40.9
RSUs
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Share-based compensation	7	6.5	32.8	32.3
PRSUs
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Share-based compensation	1.1	1	4.6	3.5
Employee Stock Purchase Plan
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Share-based compensation	$ 1.6	$ 1.4	$ 5.1	$ 5.1

Share-Based Compensation (Summa

Share-Based Compensation (Summary of RSU/PRSU Activity) (Detail) - RSUs and PRSUs shares in Millions	9 Months Ended
	Sep. 30, 2024 $ / shares shares
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares [Roll Forward]
Unvested at December 31, 2023 | shares	1
Granted during 2024 | shares	0.9
Vested during 2024 | shares	(0.7)
Unvested at September 30, 2024 | shares	1.2
RSUs and PRSUs
RSU/PRSU, Weighted-average grant-date fair value
Unvested at December 31, 2023 | $ / shares	$ 64.19
Granted during 2024 | $ / shares	58.79
Vested during 2024 | $ / shares	60.48
Unvested at September 30, 2024 | $ / shares	$ 62.27

Stockholders' Equity (Narrative

Stockholders' Equity (Narrative) (Detail) shares in Millions, $ in Millions	9 Months Ended	47 Months Ended
	Sep. 30, 2024 USD ($) shares	Sep. 30, 2024 USD ($) shares
Equity [Abstract]
Remaining authorized amount under stock repurchase program	$ 153.5	$ 153.5
Common stock repurchased, shares | shares	1.1	4.6
Purchase of Company, value	$ 60.3	$ 246.5
Maximum
Equity [Abstract]
Stock repurchase program, authorized amount	$ 400	$ 400

Accumulated Other Comprehensi_3

Accumulated Other Comprehensive Income (Loss) (AOCI) (Components of Accumulated Other Comprehensive Income (Loss) (Detail) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2023
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward]
Accumulated other comprehensive income (loss), net of tax, Beginning Balance			$ (655.8)
Change in unrealized losses on debt securities			496.3
Change in foreign currency translation adjustment			(4)
Amortization of net actuarial loss			1.7
Tax effect	$ (146.9)	$ 57.2	(128.7)	$ 45.9
Accumulated other comprehensive income (loss), net of tax, Ending Balance	(290.5)		(290.5)
Unrealized Gains (Losses) on Debt Securities
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward]
Accumulated other comprehensive income (loss), debt securities, available-for-sale, adjustment, after tax, Beginning Balance			(553.6)
Change in unrealized losses on debt securities			496.3
Tax effect	(146.4)	56.9	(128.5)	46.3
Accumulated other comprehensive income (loss), debt securities, available-for-sale, adjustment, after tax, Ending Balance	(185.8)		(185.8)
Foreign Currency Translation Adjustment
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward]
Accumulated other comprehensive income (loss), foreign currency translation adjustment, net of tax, Beginning Balance			(64.9)
Change in foreign currency translation adjustment			(4)
Tax effect	(0.4)	$ 0.3	0.2	$ 0
Accumulated other comprehensive income (loss), foreign currency translation adjustment, net of tax, Ending Balance	(68.7)		(68.7)
Pension Benefit Adjustment
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward]
Accumulated other comprehensive (income) Loss, defined benefit plan, after Tax, Beginning Balance			(37.3)
Amortization of net actuarial loss			1.7
Tax effect			(0.4)
Accumulated other comprehensive (income) Loss, defined benefit plan, after Tax, Ending Balance	$ (36)		$ (36)

Accumulated Other Comprehensi_4

Accumulated Other Comprehensive Income (Loss) - Other Comprehensive Income (Loss) Reclassification Adjustments (Detail) - USD ($) $ in Millions	3 Months Ended						9 Months Ended
	Sep. 30, 2024	Jun. 30, 2024	Mar. 31, 2024	Sep. 30, 2023	Jun. 30, 2023	Mar. 31, 2023	Sep. 30, 2024	Sep. 30, 2023
Accumulated Other Comprehensive Income Loss [Line Items]
Pretax change before reclassifications	$ 258.9			$ (248.3)			$ 161.3	$ (200.5)
Reclassifications out of AOCI	327.2			5.5			332.7	13.9
Tax effect	(146.9)			57.2			(128.7)	45.9
Total other comprehensive income (loss), net of tax	439.2	$ (9.2)	$ (64.7)	(185.6)	$ (68.1)	$ 113	365.3	(140.7)
Unrealized Gains (Losses) on Debt Securities
Accumulated Other Comprehensive Income Loss [Line Items]
Pretax change before reclassifications	244			(233.6)			165.3	(199.9)
Reclassifications out of AOCI	326.6			5.1			331	12.4
Tax effect	(146.4)			56.9			(128.5)	46.3
Total other comprehensive income (loss), net of tax	424.2			(171.6)			367.8	(141.2)
Foreign Currency Translation Adjustment
Accumulated Other Comprehensive Income Loss [Line Items]
Pretax change before reclassifications	14.9			(14.7)			(4)	(0.6)
Reclassifications out of AOCI	0			0			0	0
Tax effect	(0.4)			0.3			0.2	0
Total other comprehensive income (loss), net of tax	14.5			(14.4)			(3.8)	(0.6)
Pension Benefit Adjustment
Accumulated Other Comprehensive Income Loss [Line Items]
Pretax change before reclassifications	0			0			0	0
Reclassifications out of AOCI	0.6			0.4			1.7	1.5
Tax effect	(0.1)			0			(0.4)	(0.4)
Total other comprehensive income (loss), net of tax	$ 0.5			$ 0.4			$ 1.3	$ 1.1

Accumulated Other Comprehensi_5

Accumulated Other Comprehensive Income (Loss) - Reclassifications Out of AOCI (Detail) - USD ($) $ in Millions		3 Months Ended		9 Months Ended
		Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2023
Reclassification Adjustment Out Of Accumulated Other Comprehensive Income [Line Items]
Amortization of net actuarial loss				$ (1.7)
Unrealized Gains (Losses) on Debt Securities
Reclassification Adjustment Out Of Accumulated Other Comprehensive Income [Line Items]
Net realized losses on sales of debt securities		$ (326.6)	$ (5.1)	(331)	$ (12.4)
Tax effect		84.6	1.2	85.7	3.1
Pension Benefit Adjustment
Reclassification Adjustment Out Of Accumulated Other Comprehensive Income [Line Items]
Amortization of net actuarial loss	[1]	(0.6)	(0.4)	(1.7)	(1.5)
Tax effect	[1]	$ 0.1	$ 0	$ 0.4	$ 0.4
[1] Amounts are components of net periodic cost. See Note 12 Employee Benefit Plans for additional details.

Segment Information (Narrative)

Segment Information (Narrative) (Detail)	9 Months Ended
	Sep. 30, 2024 State
Segment Reporting Information [Line Items]
Number of states issues title insurance policies	49
Number of states issues home warranty contracts	36

Segment Information (Schedule o

Segment Information (Schedule of Selected Financial Information) (Detail) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2023
Segment Reporting Information [Line Items]
Revenues	$ 1,406.1	$ 1,481.2	$ 4,443	$ 4,574.2
(Loss) income before income taxes	(144.4)	(1.7)	65.5	236
Depreciation and amortization	53.2	47.3	155.4	138.9
Capital expenditures	61.7	71.6	183.2	216.3
Direct premiums and escrow fees	639.6	595.5	1,773.2	1,713
Agent premiums	683.9	664.5	1,864	1,879.6
Information and other	247.5	245.7	717.1	722.9
Net investment income (losses)	146.6	139.1	404.4	423.4
Realized (losses) gains of net investment	(326.6)	(5.1)	(331)	(12.4)
Operating Segments
Segment Reporting Information [Line Items]
Revenues	1,406.1	1,481.2	4,443	4,574.2
Direct premiums and escrow fees	639.6	595.5	1,773.2	1,713
Agent premiums	683.9	664.5	1,864	1,879.6
Information and other	247.5	245.7	717.1	722.9
Net investment income (losses)	146.6	139.1	404.4	423.4
Realized (losses) gains of net investment	(311.5)	(163.6)	(315.7)	(164.7)
Operating Segments | Title Insurance and Services
Segment Reporting Information [Line Items]
Revenues	1,290.3	1,524.4	4,132	4,403.7
(Loss) income before income taxes	(130.3)	160.3	119.8	434.2
Depreciation and amortization	51.9	46.2	151.6	135.2
Capital expenditures	60.3	69.5	178.4	210.7
Direct premiums and escrow fees	536.2	493.7	1,472.4	1,416.1
Agent premiums	683.9	664.5	1,864	1,879.6
Information and other	241.7	240.1	699.8	706
Net investment income (losses)	136.5	141.7	378.9	408.2
Realized (losses) gains of net investment	(308)	(15.6)	(283.1)	(6.2)
Operating Segments | Home Warranty
Segment Reporting Information [Line Items]
Revenues	110.9	108.2	322.9	318.4
(Loss) income before income taxes	9	9.4	45.8	39.6
Depreciation and amortization	1.3	1.2	3.7	3.6
Capital expenditures	1.4	2.1	4.8	5.6
Direct premiums and escrow fees	103.5	101.8	300.8	296.9
Agent premiums	0	0	0	0
Information and other	5.7	5.5	17.4	16.9
Net investment income (losses)	1.2	1.6	3.2	4.4
Realized (losses) gains of net investment	0.5	(0.7)	1.5	0.2
Operating Segments | Corporate and Eliminations
Segment Reporting Information [Line Items]
Revenues	4.9	(151.4)	(11.9)	(147.9)
(Loss) income before income taxes	(23.1)	(171.4)	(100.1)	(237.8)
Depreciation and amortization	0	(0.1)	0.1	0.1
Capital expenditures	0	0	0	0
Direct premiums and escrow fees	(0.1)	0	0	0
Agent premiums	0	0	0	0
Information and other	0.1	0.1	(0.1)	0
Net investment income (losses)	8.9	(4.2)	22.3	10.8
Realized (losses) gains of net investment	$ (4)	$ (147.3)	$ (34.1)	$ (158.7)