WEX (WEX) 10-Q 8 Nov 16 2016 Q3 Quarterly report Financial data

Document and Entity Information

Document and Entity Information - shares	9 Months Ended
	Sep. 30, 2016	Nov. 01, 2016
Document And Entity Information [Abstract]
Entity Registrant Name	WEX Inc.
Trading Symbol	WEX
Entity Central Index Key	1,309,108
Current Fiscal Year End Date	--12-31
Entity Filer Category	Large Accelerated Filer
Document Type	10-Q
Document Period End Date	Sep. 30, 2016
Document Fiscal Year Focus	2,016
Document Fiscal Period Focus	Q3
Amendment Flag	false
Entity Common Stock, Shares Outstanding		42,734,591

CONDENSED CONSOLIDATED BALANCE

CONDENSED CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Sep. 30, 2016	Dec. 31, 2015
Assets
Cash and cash equivalents	$ 537,150	$ 279,989
Accounts receivable (less reserve for credit losses of $13,987 in 2016 and $13,832 in 2015)	2,061,358	1,508,605
Securitized accounts receivable, restricted	89,252	87,724
Income taxes receivable	11,006	0
Available-for-sale securities	24,160	18,562
Fuel price derivatives, at fair value	0	5,007
Property, equipment and capitalized software (net of accumulated depreciation of $224,075 in 2016 and $192,140 in 2015)	162,473	138,585
Deferred income taxes, net	43,362	10,303
Goodwill	1,841,663	1,112,878
Other intangible assets, net	1,293,124	470,712
Other assets	270,142	215,544
Total assets	6,333,690	3,847,909
Liabilities and Stockholders’ Equity
Accounts payable	711,101	378,811
Accrued expenses	287,523	156,180
Income taxes payable	2,181	2,732
Deposits	1,286,595	870,518
Securitized debt	83,868	82,018
Revolving line-of-credit facilities and term loans, net	1,702,265	664,918
Deferred income taxes, net	174,451	83,912
Notes outstanding, net	395,351	394,800
Other debt	108,127	50,046
Amounts due under tax receivable agreement	49,612	57,537
Other liabilities	14,411	10,756
Total liabilities	4,815,485	2,752,228
Commitments and contingencies
Stockholders’ Equity
Common stock $0.01 par value; 175,000 shares authorized; 47,171 shares issued in 2016 and 43,079 in 2015; 42,840 shares outstanding in 2016 and 38,746 in 2015	472	431
Additional paid-in capital	542,010	174,972
Non-controlling interest	11,614	12,437
Retained earnings	1,238,984	1,183,634
Accumulated other comprehensive loss	(102,533)	(103,451)
Less treasury stock at cost; 4,428 shares in 2016 and 2015	(172,342)	(172,342)
Total stockholders’ equity	1,518,205	1,095,681
Total liabilities and stockholders’ equity	$ 6,333,690	$ 3,847,909

CONDENSED CONSOLIDATED BALANCE3

CONDENSED CONSOLIDATED BALANCE SHEETS (Parenthetical) - USD ($) $ in Thousands	Sep. 30, 2016	Dec. 31, 2015
Statement of Financial Position [Abstract]
Accounts receivable, reserve for credit losses	$ 13,987	$ 13,832
Property, equipment and capitalized software, accumulated depreciation	$ 224,075	$ 192,140
Common stock, par value (in dollars per share)	$ 0.01	$ 0.01
Common stock, shares authorized (in shares)	175,000,000	175,000,000
Common stock, shares issued (in shares)	47,171,000	43,079,000
Common stock, shares outstanding (in shares)	42,840,000	38,746,000
Treasury stock, shares (in shares)	4,428,000	4,428,000

CONDENSED CONSOLIDATED STATEMEN

CONDENSED CONSOLIDATED STATEMENTS OF INCOME - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2016	Sep. 30, 2015	Sep. 30, 2016	Sep. 30, 2015
Revenues [Abstract]
Payment processing revenue	$ 146,182	$ 133,198	$ 383,319	$ 378,714
Account servicing revenue	58,815	39,578	150,770	115,000
Finance fee revenue	36,138	23,502	92,348	64,094
Other revenue	46,621	29,779	101,184	84,187
Total revenues	287,756	226,057	727,621	641,995
Expenses
Salary and other personnel	76,706	57,174	206,778	174,682
Restructuring	2,531	(45)	7,626	8,514
Service fees	53,415	36,924	136,098	100,935
Provision for credit losses	9,489	6,635	19,849	14,532
Technology leasing and support	12,517	10,157	34,525	29,612
Occupancy and equipment	7,271	5,240	19,096	15,271
Depreciation and amortization	46,008	20,778	91,381	62,924
Operating interest expense	2,599	1,483	5,490	4,419
Cost of hardware and equipment sold	859	706	2,429	2,499
Other	21,793	19,260	57,018	50,919
Gain on divestiture	0	0	0	(1,215)
Total operating expenses	233,188	158,312	580,290	463,092
Operating income	54,568	67,745	147,331	178,903
Financing interest expense	(35,064)	(11,330)	(87,040)	(35,334)
Net foreign currency gain (loss)	5,932	6,525	17,233	(12)
Net realized and unrealized gain on fuel price derivative instruments	0	7,922	711	4,671
Non-cash adjustments related to tax receivable agreement	(168)	1,634	(168)	1,634
Income before income taxes	25,268	72,496	78,067	149,862
Income taxes	6,065	30,714	23,730	61,647
Net income	19,203	41,782	54,337	88,215
Less: Net (loss) gain attributable to non-controlling interests	(493)	203	(1,013)	(2,201)
Net earnings attributable to WEX Inc.	19,696	41,579	55,350	90,416
Accretion of non-controlling interest	0	(9,413)	0	(9,413)
Net earnings attributable to shareholders	$ 19,696	$ 32,166	$ 55,350	$ 81,003
Net earnings attributable to shareholders per share:
Basic (in dollars per share)	$ 0.46	$ 0.83	$ 1.38	$ 2.09
Diluted (in dollars per share)	$ 0.46	$ 0.83	$ 1.38	$ 2.08
Weighted average common shares outstanding:
Basic (in shares)	42,788	38,745	40,126	38,780
Diluted (in shares)	42,871	38,808	40,199	38,852

CONDENSED CONSOLIDATED STATEME5

CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2016	Sep. 30, 2015	Sep. 30, 2016	Sep. 30, 2015
Statement of Comprehensive Income [Abstract]
Net income	$ 19,203	$ 41,782	$ 54,337	$ 88,215
Changes in available-for-sale securities, net of tax effect of $(37) and $59 for the three months ended September 30, 2016 and 2015 and $123 and $29 for the nine months ended September 30, 2016 and 2015	(62)	99	209	50
Foreign currency translation	1,549	(34,948)	709	(55,265)
Comprehensive income	20,690	6,933	55,255	33,000
Less: comprehensive (loss) income attributable to non-controlling interests	(438)	(2,255)	(823)	(8,084)
Comprehensive income attributable to WEX Inc.	$ 21,128	$ 9,188	$ 56,078	$ 41,084

CONDENSED CONSOLIDATED STATEME6

CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (Parenthetical) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2016	Sep. 30, 2015	Sep. 30, 2016	Sep. 30, 2015
Statement of Comprehensive Income [Abstract]
Changes in available-for-sale securities, tax effect	$ (37)	$ 59	$ 123	$ 29

CONDENSED CONSOLIDATED STATEME7

CONDENSED CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY - USD ($) shares in Thousands, $ in Thousands	Total	Common Stock	Additional Paid-in Capital	Accumulated Other Comprehensive Income (Loss)	Treasury Stock	Retained Earnings	Non-controlling interest in subsidiaries
Beginning Balance (in shares) at Dec. 31, 2014		38,897
Beginning balance at Dec. 31, 2014	$ 1,077,721	$ 430	$ 179,077	$ (50,581)	$ (150,331)	$ 1,081,730	$ 17,396
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Stock issued upon exercise of stock options (in shares)		2
Stock issued upon exercise of stock options	24	$ 0	24
Tax expense from stock option and restricted stock units	(230)		(230)
Stock issued upon vesting of restricted and deferred stock units (in shares)		56
Stock issued upon vesting of restricted and deferred stock units	0	$ 1	(1)
Stock-based compensation, net of share repurchases for tax withholdings	7,845		7,845
Purchase of shares of treasury stock (in shares)		(210)
Purchase of shares of treasury stock	(22,011)				(22,011)
Changes in available-for-sale securities, net of tax effect of $123 and $29 for the nine months ended September 30, 2016 and 2015	50			50
Foreign currency translation	(51,055)			(49,382)			(1,673)
Adjustment of redeemable non-controlling interest	(32,448)		(13,927)	(9,108)		(9,413)
Net income (loss)	87,025					90,416	(3,391)
Ending Balance (in shares) at Sep. 30, 2015		38,745
Ending balance at Sep. 30, 2015	1,066,921	$ 431	172,788	(109,021)	(172,342)	1,162,733	12,332
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Changes in available-for-sale securities, net of tax effect of $123 and $29 for the nine months ended September 30, 2016 and 2015	99
Ending Balance (in shares) at Sep. 30, 2015		38,745
Ending balance at Sep. 30, 2015	1,066,921	$ 431	172,788	(109,021)	(172,342)	1,162,733	12,332
Beginning Balance (in shares) at Dec. 31, 2015		38,746
Beginning balance at Dec. 31, 2015	1,095,681	$ 431	174,972	(103,451)	(172,342)	1,183,634	12,437
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Stock issued upon exercise of stock options (in shares)		21
Stock issued upon exercise of stock options	283	$ 0	283
Tax expense from stock option and restricted stock units	(300)		(300)
Stock issued upon vesting of restricted and deferred stock units (in shares)		61
Stock issued upon vesting of restricted and deferred stock units	1	$ 1	0
Stock-based compensation, net of share repurchases for tax withholdings	12,142		12,142
Changes in available-for-sale securities, net of tax effect of $123 and $29 for the nine months ended September 30, 2016 and 2015	209			209
Stock issued for purchase of EFS (in shares)		4,012
Stock issued for purchase of EFS	354,953	$ 40	354,913
Foreign currency translation	899			709			190
Net income (loss)	54,337					55,350	(1,013)
Ending Balance (in shares) at Sep. 30, 2016		42,840
Ending balance at Sep. 30, 2016	1,518,205	$ 472	542,010	(102,533)	(172,342)	1,238,984	11,614
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Changes in available-for-sale securities, net of tax effect of $123 and $29 for the nine months ended September 30, 2016 and 2015	(62)
Ending Balance (in shares) at Sep. 30, 2016		42,840
Ending balance at Sep. 30, 2016	$ 1,518,205	$ 472	$ 542,010	$ (102,533)	$ (172,342)	$ 1,238,984	$ 11,614

CONDENSED CONSOLIDATED STATEME8

CONDENSED CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY (Parenthetical) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2016	Sep. 30, 2015
Statement of Stockholders' Equity [Abstract]
Changes in available-for-sale securities, tax effect	$ 123	$ 29

CONDENSED CONSOLIDATED STATEME9

CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2016	Sep. 30, 2015
Cash flows from operating activities
Net income	$ 54,337	$ 88,215
Adjustments to reconcile net income to net cash provided by (used for) operating activities:
Net unrealized (gain) loss	(17,598)	44,626
Stock-based compensation	14,312	10,227
Depreciation and amortization	91,381	62,924
Ticking fees expensed	30,045	0
Debt restructuring and debt issuance cost amortization	8,631	2,319
Gain on divestiture	0	(1,215)
Loss on debt extinguishment	2,018	0
Provision for deferred taxes	15,668	24,057
Restructuring charge	4,438	8,514
Provision for credit losses	19,849	14,532
Loss on disposal of property, equipment and capitalized software	196	298
Changes in operating assets and liabilities:
Accounts receivable	(405,616)	(78,951)
Other assets	(44,051)	(82,133)
Accounts payable	169,716	107,884
Accrued expenses	(2,866)	40,539
Income taxes	(12,993)	17,288
Other liabilities	(416)	(2,221)
Amounts due under tax receivable agreement	(7,924)	(9,318)
Net cash (used for) provided by operating activities	(80,873)	247,585
Cash flows from investing activities
Purchases of property, equipment and capitalized software	(45,016)	(47,117)
Purchases of available-for-sale securities	(5,716)	(263)
Maturities of available-for-sale securities	450	544
Acquisition of a business, net of cash acquired	(1,089,280)	0
Proceeds from divestiture	0	17,265
Net cash used for investing activities	(1,139,562)	(29,571)
Cash flows from financing activities
Excess tax benefits from equity instrument share-based payment arrangements	391	658
Repurchase of share-based awards to satisfy tax withholdings	(2,170)	(2,382)
Proceeds from stock option exercises	284	24
Net change in deposits	415,737	211,015
Net activity on other debt	56,442	155
Ticking fees paid	(22,171)	0
Debt issuance costs	(40,868)	0
Net change in securitized debt	(1,696)	85,658
Purchase of redeemable non-controlling interest	0	(46,018)
Purchase of shares of treasury stock	0	(22,011)
Net cash provided by financing activities	1,472,062	37,722
Effect of exchange rate changes on cash and cash equivalents	5,534	(6,873)
Net change in cash and cash equivalents	257,161	248,863
Cash and cash equivalents, beginning of period	279,989	284,763
Cash and cash equivalents, end of period	537,150	533,626
Supplemental cash flow information
Interest paid	87,177	41,292
Income taxes paid	21,098	19,899
Supplemental disclosure of non-cash investing and financing activities
Issuance of common stock in a business combination	354,953	0
2016 Credit Agreement
Cash flows from financing activities
Net activity on revolving credit facility	96,100	0
Borrowings on 2016 term loans	1,643,000	0
Repayments of 2016 term loans	(8,688)	0
2014 Credit Agreement
Cash flows from financing activities
Net activity on revolving credit facility	(205,549)	(168,752)
Net activity on term loan	$ (458,750)	$ (20,625)

Basis of Presentation

Basis of Presentation	9 Months Ended
	Sep. 30, 2016
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Basis of Presentation	1. Basis of Presentation The acronyms and abbreviations identified below are used in the accompanying unaudited condensed consolidated financial statements and the notes thereto. The following is provided to aid the reader and provide a reference point when reviewing the unaudited condensed consolidated financial statements. 2014 Amendment Agreement Amendment and restatement agreement entered into on August 22, 2014, among the Company, the lenders party thereto, and Bank of America, N.A., as administrative agent 2014 Credit Agreement Second amended and restated credit agreement entered into on August 22, 2014, by and among the Company and certain of our subsidiaries, as borrowers, WEX Card Holding Australia Pty Ltd., as designated borrower, and Bank of America, N.A., as administrative agent on behalf of consenting lenders 2016 Credit Agreement Credit agreement entered into on July 1, 2016 by and among the Company and certain of our subsidiaries, as borrowers, WEX Card Holding Australia Pty Ltd., as designated borrower, and Bank of America, N.A., as administrative agent on behalf of the lenders Adjusted Net Income or ANI A non-GAAP metric that adjusts net earnings attributable to shareholders to exclude acquisition and divestiture related items, debt restructuring and debt issuance cost amortization, stock-based compensation, restructuring and other costs related to certain outsourcing initiatives, changes in unrealized fuel price derivatives, net foreign currency remeasurement gains and losses, non-cash adjustments related to our tax receivable agreement, reserves for regulatory penalties, similar adjustments attributed to our non-controlling interest and certain tax related items. ASU 2014-09 Accounting Standards Update No. 2014-09 Revenue from Contracts with Customers (Topic 606) ASU 2015-03 Accounting Standards Update No. 2015-03 Interest—Imputation of Interest (Subtopic 835-30): Simplifying the Presentation of Debt Issuance Costs ASU 2015-16 Accounting Standards Update No. 2015-16 Business Combinations (Topic 805): Simplifying the Accounting for Measurement-Period Adjustments ASU 2016-01 Accounting Standards Update No. 2016-01 Financial Instruments - Overall (Subtopic 825-10): Recognition and Measurement of Financial Assets and Financial Liabilities ASU 2016-02 Accounting Standards Update No. 2016-02 Leases (Topic 842) ASU 2016-09 Accounting Standards Update No. 2016-09 Compensation-Stock Compensation (Topical 718): Improvements to Employee Share-Based Payment Accounting ASU 2016-13 Accounting Standards Update No. 2016-13 Financial Instruments-Credit Losses (Topic 326): Measurement of Credit Losses on Financial Instruments ASU 2016-15 Accounting Standards Update No. 2016-15 Statement of Cash Flows (Topic 230): Classification of Certain Cash Receipts and Cash Payments Australian Securitization Subsidiary Southern Cross WEX 2015-1 Trust, a bankruptcy-remote subsidiary consolidated by the Company Average expenditure per payment processing transaction Average total dollars of spend in a funded fuel transaction Benaissance Benaissance, a leading provider of integrated SaaS technologies and services for healthcare premium billing, payment and workflow management, acquired by the Company on November 18, 2015 Company WEX Inc. and all entities included in the unaudited condensed consolidated financial statements EFS Electronic Funds Source, LLC, a provider of customized corporate payment solutions for fleet and corporate customers with a focus on the large and mid-sized over-the-road fleet segments. On July 1, 2016, the Company acquired WP Mustang Topco LLC, the indirect parent of Electronic Funds Source, LLC and Warburg Pincus Private Equity XI (Lexington), LLC, an affiliated entity, from investment funds affiliated with Warburg Pincus LLC. Esso portfolio in Europe European commercial fleet card portfolio acquired from ExxonMobil European Securitization Subsidiary Gorham Trade Finance B.V., a bankruptcy-remote subsidiary consolidated by the Company Evolution1 EB Holdings Corp. and its subsidiaries which includes Evolution1, Inc., acquired by the Company on July 16, 2014 FASB Financial Accounting Standards Board FX Foreign exchange GAAP Generally Accepted Accounting Principles in the United States Indenture The Notes were issued pursuant to an indenture dated as of January 30, 2013 among the Company, the guarantors listed therein, and The Bank of New York Mellon Trust Company, N.A., as trustee NCI Non-controlling interest NOL Net operating loss Notes $400 million notes with a 4.75% fixed rate, issued on January 30, 2013 NOW deposits Negotiable order of withdrawal deposits Over-the-road Typically heavy trucks traveling long distances Payment solutions purchase volume Total amount paid by customers for transactions Payment processing transactions Funded payment transactions where the Company maintains the receivable for total purchase PPG Price per gallon of fuel rapid! PayCard rapid! PayCard, previously a line of business of the Company, sold on January 7, 2015 SaaS Software-as-a-service SEC Securities and Exchange Commission Ticking fees A fee incurred by a borrower to compensate the lender to delay a financing arrangement and hold a commitment of funds for the borrower for a period of time Total fleet transactions Total of transaction processing and payment processing transactions Transaction processing transactions Unfunded payment transactions where the Company is the processor and only has receivables for the processing fee UNIK UNIK S.A., the Company's Brazilian subsidiary WEX WEX Inc. WEX Europe Services Consists primarily of our European commercial fleet card portfolio acquired by the Company from ExxonMobil on December 1, 2014 WEX Health Evolution1 and Benaissance, collectively The accompanying unaudited condensed consolidated financial statements have been prepared in accordance with GAAP for interim financial information and with the instructions to Form 10-Q and Rule 10-01 of Regulation S-X. They do not include all information and notes required by GAAP for complete financial statements. However, except as disclosed herein, there have been no material changes in the information disclosed in the notes to the consolidated financial statements included in the Annual Report on Form 10-K of WEX Inc. for the year ended December 31, 2015 . These unaudited condensed consolidated financial statements should be read in conjunction with the financial statements that are included in the Company’s Annual Report on Form 10-K for the year ended December 31, 2015 , filed with the SEC on February 26, 2016 . In the opinion of management, all adjustments (including normal recurring accruals) considered necessary for a fair presentation have been included. Operating results for the three and nine months ended September 30, 2016 are not necessarily indicative of the results that may be expected for any future periods or the year ending December 31, 2016 . The presentation of the accompanying condensed consolidated statements of income has been updated for the three and nine month periods ended September 30, 2016 to disaggregate revenue into payment processing, account servicing, finance fee and other revenue in order to provide additional information regarding the Company’s significant revenue streams and to conform to the current year presentation. There was no change to total revenue, income from operations, net income or net income per share in any of the periods presented as a result of this updated presentation. In April 2015, the FASB issued ASU 2015-03 related to the simplification of the presentation of debt issuance costs. The standard requires entities to present such costs in the balance sheet as a direct deduction from the related debt liability rather than as an asset. Amortization of the costs is reported as interest expense. The ASU provides that debt issuance costs are analogous to debt discounts and reduce the proceeds of borrowing which increases the effective interest rate. Prior to the amendment, debt issuance costs were reported in the balance sheet as an asset. The amended guidance is effective for financial statements issued for fiscal years beginning after December 15, 2015, requires retrospective adoption, and represents a change in accounting principle. As a result of the adoption, the December 31, 2015 unaudited condensed consolidated balance sheet is restated as follows: Previously Reported Effect of Accounting Principle Adoption Adjusted Unaudited condensed consolidated balance sheet Other assets $ 225,581 $ (10,037 ) $ 215,544 Total assets $ 3,857,946 $ (10,037 ) $ 3,847,909 Revolving line-of-credit facilities and term loan, net $ 669,755 $ (4,837 ) $ 664,918 Notes outstanding, net $ 400,000 $ (5,200 ) $ 394,800 Total liabilities $ 2,762,265 $ (10,037 ) $ 2,752,228 Total liabilities and stockholders’ equity $ 3,857,946 $ (10,037 ) $ 3,847,909 In September 2015, the FASB issued ASU 2015-16 related to simplifying the accounting for measurement period adjustments. This standard replaces the requirement that an acquirer in a business combination account for measurement period adjustments retrospectively. Under the amendments, an acquirer must recognize adjustments to the provisional amounts that are identified during the measurement period in the reporting period in which the adjustment amounts are determined, including the effect on earnings of changes in depreciation, amortization, or other income effects as if the accounting had been completed at the acquisition date. The guidance is to be applied prospectively to adjustments to provisional amounts that occur after the effective date of the guidance. The Company adopted this standard on January 1, 2016. Fair Value of Financial Instruments The carrying values of cash and cash equivalents, accounts receivable, accounts payable, accrued expenses, and other liabilities approximate their respective fair values due to the short-term nature of such instruments. The carrying values of certificates of deposit, interest-bearing money market deposits and borrowed federal funds approximate their respective fair values as the interest rates on these financial instruments are variable. All other financial instruments are reflected at fair value on the unaudited condensed consolidated balance sheets.

New Accounting Standards

New Accounting Standards	9 Months Ended
	Sep. 30, 2016
Accounting Changes and Error Corrections [Abstract]
New Accounting Standards	2. New Accounting Standards In May 2014, the FASB issued ASU 2014-09 related to revenue recognition, which will supersede most existing revenue recognition guidance under U.S. GAAP. The new revenue recognition standard requires entities to recognize revenue for the transfer of promised goods or services to customers in an amount that reflects the consideration to which the entity expects to be entitled in exchange for those goods or services. The standard permits the use of either the retrospective or cumulative effect transition method. On July 9, 2015, the Board voted to defer the effective date by one year to interim and annual reporting periods beginning after December 15, 2017, and permitted early adoption of the standard, but not for periods beginning on or before the original effective date of December 15, 2016. FASB has and is expected to continue to issue clarifications on various aspects of ASU 2014-09. The Company is currently evaluating the impact of this standard on its consolidated financial statements and related disclosures and has not yet selected a transition method. In January 2016, the FASB issued ASU 2016-01 related to accounting for equity investments. The pronouncement requires equity investments, except those accounted for under the equity method of accounting, or those that result in consolidation of the investee, to be measured at fair value with changes in fair value recognized in net income. The standard is effective for annual reporting periods beginning after December 15, 2017, including interim periods within that reporting period. The Company is currently evaluating the impact the pronouncement will have on the consolidated financial statements and related disclosures. In February 2016, the FASB issued ASU 2016-02 to increase transparency and comparability among organizations by recognizing lease assets and lease liabilities on the balance sheet and disclosing key information about leasing arrangements. When transitioning, the standard requires leases to be recognized and measured at the beginning of the earliest period presented using a modified retrospective approach. Certain qualitative and quantitative disclosures are required. The standard is effective for annual reporting periods beginning after December 15, 2018, including interim periods within that reporting period. The Company is currently evaluating the impact the standard will have on the consolidated financial statements and related disclosures. In March 2016, the FASB issued ASU 2016-09 to simplify several aspects of accounting for employee share-based payment transactions, including the accounting for income taxes, forfeitures, statutory tax withholding requirements, and classification in the statement of cash flows. The standard is effective for annual reporting periods beginning after December 15, 2016, including interim periods within that reporting period. The Company is currently evaluating the impact the standard will have on the consolidated financial statements and related disclosures. In June 2016, the FASB issued ASU 2016-13 which requires financial assets measured at amortized cost basis to be presented at the net amount expected to be collected. The measurement of expected credit losses will be based on historical experience, current conditions, and reasonable and supportable forecasts that impact the collectability of the reported amount. The standard is effective for annual reporting periods beginning after December 15, 2019, including interim periods within those fiscal years. The Company is currently evaluating the impact the standard will have on the consolidated financial statements and related disclosures. In August 2016, the FASB issued ASU 2016-15 which provides clarification on the classification of eight specific cash flow presentation issues that have developed out of diversity in practice. The issues include, but are not limited to, debt prepayment or extinguishment costs, cash receipts from payments on beneficial interests in securitization transactions, and proceeds from the settlement of insurance claims. The standard is effective for annual reporting periods beginning after December 15, 2017, including interim periods within those fiscal years. The Company is currently evaluating the impact the standard will have on the consolidated financial statements and related disclosures.

Business Acquisitions

Business Acquisitions	9 Months Ended
	Sep. 30, 2016
Business Combinations [Abstract]
Business Acquisitions	3. Business Acquisitions EFS On July 1, 2016, the Company acquired all of the outstanding membership interests of EFS, a provider of customized corporate payment solutions for fleet and corporate customers with a focus on the large and mid-sized over-the-road fleet segments. The acquisition will enable the combined company to expand its customer footprint and to utilize EFS' technology to better serve the needs of all fleet customers. In consideration for the acquisition of EFS, the Company issued 4,012 shares of its common stock valued at approximately $355,000 based on the July 1, 2016 closing price of the Company's common stock on the New York Stock Exchange, representing approximately 9.4% of the Company's outstanding common stock after giving effect to the issuance of the new shares in connection with this acquisition. The cash consideration for the transaction totaled approximately $1,182,000 , and was funded with amounts received under the 2016 Credit Agreement described further in Note 9. The value of the total cash and stock consideration paid for the acquisition of EFS was approximately $1,444,000 , net of $93,000 in cash acquired. This amount is subject to working capital adjustments. During the third quarter of 2016, the Company obtained information to assist in determining the fair values of certain tangible and intangible assets acquired and liabilities assumed in the EFS acquisition. Based on such information, the Company recorded intangible assets and goodwill as described below. The Company is still reviewing the valuation of all assets and liabilities and has not finalized the purchase accounting. The following represents the preliminary allocation of the purchase price by the assets and liabilities acquired and goodwill recognized in this business combination: Consideration paid, net of cash acquired 1,444,235 Less: Accounts receivable 164,459 Property and equipment, net 8,249 Customer relationships (a)(b) 832,400 Developed technologies (a)(c) 31,100 Trade name (a)(d) 14,600 Deferred income tax assets 34,571 Accounts payable (153,777 ) Accrued expenses (128,281 ) Deferred income tax liabilities (78,119 ) Other assets and liabilities 54 Recorded goodwill (a) $ 718,979 (a) Approximately $1,356,350 in goodwill and other intangible assets recorded from this business combination were assigned to our Fleet Solutions segment, the remaining $293,729 was assigned to our Travel and Corporate Solutions segment. (b) Weighted average life – 8.7 years . (c) Weighted average life – 2.3 years . (d) Weighted average life – 3.3 years . Goodwill is calculated as the consideration in excess of net assets recognized and represents the future economic benefits arising from other assets acquired that could not be individually identified and separately recognized, including synergies derived from the acquisition. The Company is currently evaluating the tax basis and the allocation of book basis to the assets recognized in this business combination. The preliminary estimates could change significantly upon completion of this evaluation. We estimate approximately $530,000 of the goodwill recognized in this business combination will be deductible for income tax purposes. At September 30, 2016, estimated amortization expense related to the definite-lived intangible assets listed above for each of the next five fiscal years is as follows: Remaining 2016 $ 15,591 2017 $ 76,241 2018 $ 75,155 2019 $ 69,522 2020 $ 64,786 2021 $ 57,951 Thereafter $ 503,264 The pro forma financial information presented below includes the effects of the EFS acquisition as if it had been consummated on January 1, 2015. Pro forma results include the amortization associated with acquired intangible assets, interest expense associated with the 2016 Credit Agreement used to fund the acquisition and related income tax results. To reflect recurring results of the combined companies, transaction costs directly attributable to the acquisition have been eliminated. The pro forma results of operations do not include any cost savings or other synergies that may result from the acquisition or any estimated integration costs that have been or will be incurred by the Company. Accordingly, the following pro forma information is not necessarily indicative of either the future results of operations or results that would have been achieved if the acquisition had taken place at the beginning of 2015. Subsequent to the July 1, 2016 acquisition date, the operations of EFS contributed revenues of approximately $35,017 and net income before taxes of approximately $1,511 to the Company's Fleet Solutions segment and revenues of approximately $5,012 and net income before taxes of approximately $1,993 to the Company's Travel and Corporate Solutions segment. The following represents unaudited pro forma operational results as if EFS has been included in the Company's unaudited condensed consolidated statements of operations as of the beginning of the fiscal periods ended: Three months ended September 30, Nine months ended September 30, 2016 2015 2016 2015 Total revenues $ 287,755 261,361 $ 796,514 748,186 Net earnings attributable to shareholders $ 30,357 20,592 $ 38,670 47,852 Pro forma net income attributable to shareholders per common share: Net income per share - basic $ 0.71 $ 0.53 $ 0.96 $ 1.23 Net income per share - diluted $ 0.71 $ 0.53 $ 0.96 $ 1.23 Benaissance On November 18, 2015, the Company purchased the stock of Benaissance for approximately $80,677 . The transaction was financed through the Company’s cash on hand and existing credit facility. Benaissance provides financial management for health benefits administration by offering SaaS solutions for individual single point and consolidated group premium billing. The Company acquired Benaissance to enhance the Company's positioning in the growing healthcare market. During the fourth quarter of 2015, the Company obtained preliminary information to assist in determining the fair values of certain tangible and intangible assets acquired and liabilities assumed in the Benaissance acquisition. During the first quarter of 2016, the Company decreased certain tangible assets by $502 and increased Goodwill by $502 . Based on such information, the Company recorded intangible assets and goodwill as described below. Goodwill is expected to be deductible for tax purposes. The Company finalized our Benaissance purchase accounting in the third quarter of 2016. The following is a summary of the final allocation of the purchase price to the assets and liabilities acquired: Consideration paid (net of cash acquired) $ 80,677 Less: Accounts receivable 1,594 Other tangible assets and liabilities, net 314 Acquired software and developed technology(a) 10,300 Customer relationships(b) 27,700 Trade name(c) 1,500 Recorded goodwill $ 39,269 (a) Weighted average life – 5.0 years . (b) Weighted average life – 7.6 years . (c) Weighted average life – 8.1 years . No pro forma information has been included in these financial statements as the operations of Benaissance for the period that they were not part of the Company are not material to the Company's revenues, net income and earnings per share.

Sale of Subsidiary and Assets

Sale of Subsidiary and Assets	9 Months Ended
	Sep. 30, 2016
Discontinued Operations and Disposal Groups [Abstract]
Sale of Subsidiary and Assets	4. Sale of Subsidiary and Assets rapid! PayCard On January 7, 2015, the Company sold the assets of its rapid! PayCard operations for $20,000 , which resulted in a pre-tax book gain of approximately $1,215 . The Company's primary focus in the U.S. continues to be in the fleet, travel, and healthcare industries. As such, the Company divested the operations of rapid! PayCard, which were not material to the Company's annual revenue, net income or earnings per share. The Company does not view this divestiture as a strategic shift in its operations.

Reserves for Credit Losses

Reserves for Credit Losses	9 Months Ended
	Sep. 30, 2016
Receivables [Abstract]
Reserves for Credit Losses	5. Reserves for Credit Losses In general, the Company’s trade receivables provide for payment terms of 30 days or less. Receivables not paid within the terms of the customer agreement are generally subject to late fees based upon the outstanding customer receivable balance. Beginning in the first quarter of 2015, the Company began to extend revolving credit to certain customers with respect to small fleet receivables. These accounts are also subject to late fees and balances that are not paid in full are subject to interest charges based on the revolving balance. The Company had approximately $2,600 in receivables with revolving credit as of September 30, 2016 and $1,100 in receivables with revolving credit as of December 31, 2015. The portfolio of receivables consists of a large group of homogeneous smaller balance amounts that are collectively evaluated for impairment. No customer made up more than eight percent of the outstanding receivables at September 30, 2016 . One customer made up eleven percent of the outstanding receivables at December 31, 2015. Receivables are generally written off when they are 150 days past due or upon declaration of bankruptcy by the customer. The reserve for credit losses is calculated by an analytic model that also takes into account other factors, such as the actual charge-offs for the preceding reporting periods, expected charge-offs and recoveries for the subsequent reporting periods, a review of accounts receivable balances which become past due, changes in customer payment patterns, known fraudulent activity in the portfolio, as well as leading economic and market indicators. As of September 30, 2016 , approximately 93 percent of the outstanding balance of total trade accounts receivable was current and approximately 97 percent of the outstanding balance of total trade accounts receivable was less than 60 days past due. As of September 30, 2015 , approximately 90 percent of the outstanding balance of total trade accounts receivable was current and approximately 98 percent of the outstanding balance was less than 60 days past due. The outstanding balance is made up of receivables from a wide range of industries. The following table presents changes in reserves for credit losses related to accounts receivable: Nine months ended September 30, 2016 2015 Balance, beginning of period $ 13,832 $ 13,919 Provision for credit losses 19,849 14,532 Charge-offs (24,825 ) (20,667 ) Recoveries of amounts previously charged-off 4,980 3,965 Currency translation 151 (214 ) Balance, end of period $ 13,987 $ 11,535

Goodwill and Other Intangible A

Goodwill and Other Intangible Assets	9 Months Ended
	Sep. 30, 2016
Goodwill and Intangible Assets Disclosure [Abstract]
Goodwill and Other Intangible Assets	6. Goodwill and Other Intangible Assets Goodwill The changes in goodwill during the first nine months of 2016 were as follows: Fleet Solutions Segment Travel and Corporate Solutions Segment Health and Employee Benefit Solutions Segment Total Gross goodwill, January 1, 2016 $ 735,770 $ 38,134 $ 350,321 $ 1,124,225 Acquisition of EFS 602,423 116,556 — 718,979 Acquisition adjustments — — 502 502 Impact of foreign currency translation 8,617 (1,739 ) 2,949 9,827 Gross goodwill, September 30, 2016 1,346,810 152,951 353,772 1,853,533 Accumulated impairment, January 1, 2016 (867 ) (10,480 ) — (11,347 ) Impact of foreign currency translation (40 ) (483 ) — (523 ) Accumulated impairment, September 30, 2016 $ (907 ) $ (10,963 ) $ — $ (11,870 ) Net goodwill, January 1, 2016 $ 734,903 $ 27,654 $ 350,321 $ 1,112,878 Net goodwill, September 30, 2016 $ 1,345,903 $ 141,988 $ 353,772 $ 1,841,663 The Company had no impairments to goodwill during the nine months ended September 30, 2016 . Other Intangible Assets During the third quarter of 2016 , management shortened the useful life of our preexisting over-the-road payment processing technology as a result of the EFS acquisition. We now expect to transition off of this software during the third quarter of 2017. This change in the estimated useful life of this intangible asset resulted in approximately $5.9 million of accelerated amortization during the quarter. The changes in other intangible assets during the first nine months of 2016 were as follows: Net Acquisitions Amortization Transfers 1 Impact of foreign currency translation Net Carrying Definite-lived intangible assets Acquired software and developed technology $ 114,012 $ 31,100 $ (16,516 ) $ — $ 348 $ 128,944 Customer relationships 297,904 832,400 (36,520 ) — 2,287 1,096,071 Licensing agreements 27,398 — (3,823 ) — 764 24,339 Patent 878 — (113 ) — (14 ) 751 Trademarks and trade names 13,144 14,600 (2,094 ) 11,000 (204 ) 36,446 Indefinite-lived intangible assets Trademarks and trade names 17,376 — — (11,000 ) 197 6,573 Total $ 470,712 $ 878,100 $ (59,066 ) $ — $ 3,378 $ 1,293,124 1 During the third quarter of 2016, management reevaluated a trade name assigned to the Health and Employee Benefits Solutions segment, which was previously believed to have an indefinite life. As result, it was determined it is now probable that the trade name will not be renewed upon its 2024 expiration date. As such, this intangible asset will be amortized over its seven-year remaining estimated useful life. The following table presents the estimated amortization expense related to the definite-lived intangible assets listed above for the remainder of 2016 and for each of the five succeeding fiscal years: Remaining 2016 $ 33,420 2017 $ 135,637 2018 $ 119,493 2019 $ 110,611 2020 $ 102,706 2021 $ 92,099 Other intangible assets, net consist of the following: September 30, 2016 December 31, 2015 Gross Carrying Amount Accumulated Amortization Net Carrying Amount Gross Carrying Amount Accumulated Amortization Net Carrying Amount Definite-lived intangible assets Acquired software and developed technology $ 185,487 $ (56,543 ) $ 128,944 $ 155,182 $ (41,170 ) $ 114,012 Customer relationships 1,227,953 (131,882 ) 1,096,071 403,382 (105,478 ) 297,904 Licensing agreements 32,793 (8,454 ) 24,339 31,903 (4,505 ) 27,398 Patent 2,524 (1,773 ) 751 2,413 (1,535 ) 878 Trademarks and trade names 41,696 (5,250 ) 36,446 16,410 (3,266 ) 13,144 $ 1,490,453 $ (203,902 ) 1,286,551 $ 609,290 $ (155,954 ) 453,336 Indefinite-lived intangible assets Trademarks and trade names 6,573 17,376 Total $ 1,293,124 $ 470,712

Earnings per Share

Earnings per Share	9 Months Ended
	Sep. 30, 2016
Earnings Per Share [Abstract]
Earnings per Share	7. Earnings per Share Basic earnings per share is computed by dividing net earnings attributable to shareholders by the weighted average number of shares of common stock and vested deferred stock units outstanding during the year. The computation of diluted earnings per share is similar to the computation of basic earnings per share, except that the denominator is increased for the assumed exercise of dilutive options and assumed issuance of unvested restricted stock units and deferred stock units and unvested performance-based restricted stock units for which the performance condition has been met as of the date of determination using the treasury stock method unless the effect is anti-dilutive. The treasury stock method assumes that proceeds, including cash received from the exercise of employee stock options, the total unrecognized compensation expense for unvested share-based compensation awards and the excess tax benefits resulting from share-based compensation tax deductions in excess of the related expense recognized for financial reporting purposes, would be used to purchase the Company's common stock at the average market price during the period. The following is a reconciliation of the income and share data used in the basic and diluted earnings per share computations for the three and nine months ended September 30, 2016 and 2015 : Three months ended Nine months ended 2016 2015 2016 2015 Net earnings attributable to shareholders – Basic and Diluted $ 19,696 $ 32,166 $ 55,350 $ 81,003 Weighted average common shares outstanding – Basic 42,788 38,745 40,126 38,780 Dilutive impact of share based compensation awards 83 63 73 72 Weighted average common shares outstanding – Diluted 42,871 38,808 40,199 38,852 For the three and nine months ended September 30, 2016 and September 30, 2015 , an immaterial number of outstanding stock options, restricted stock units, and performance based restricted stock units for which the performance condition has been met as of the dates of determination were excluded from the computation of diluted earnings per share because the effect of including these awards would be anti-dilutive.

Derivative Instruments

Derivative Instruments	9 Months Ended
	Sep. 30, 2016
Derivative Instruments and Hedging Activities Disclosure [Abstract]
Derivative Instruments	8. Derivative Instruments The Company is exposed to certain market risks relating to its ongoing business operations. Derivative instruments were utilized in prior years to manage the Company's commodity price risk. The Company entered into put and call option contracts related to the Company’s commodity price risk, which were based on the wholesale price of gasoline and the retail price of diesel fuel and settled on a monthly basis. These put and call option contracts, or fuel price derivative instruments, were designed to reduce the volatility of the Company’s cash flows associated with its fuel price-related earnings exposure in North America. During the fourth quarter of 2014, the Company suspended purchases under its fuel derivatives program due to unusually low prices in the commodities market. Management will continue to monitor the fuel price market and evaluate alternatives as it relates to this hedging program. During the first quarter of 2016, the Company held fuel-price sensitive derivative instruments to hedge approximately 20 percent of its anticipated U.S. fuel-price related earnings exposure based on assumptions at time of purchase and all these positions were settled as of March 31, 2016. After the first quarter of 2016, the Company is no longer hedged for changes in fuel prices. In April 2014, the Company initiated a partial foreign currency exchange hedging program. In 2014, the Company managed its foreign currency exchange exposure on an intra-quarter basis. During the third quarter of 2015, the Company decided to suspend the foreign currency exchange hedging program for all but a few short-term intercompany transactions. Because this was a partial foreign currency exchange hedging program, the Company had foreign currency exchange exposure which was not hedged while the program was in effect. The realized and unrealized gains or losses on the currency forward contracts and swaps are reported in earnings within the same unaudited condensed consolidated statement of income line as the impact of the foreign currency translation, net foreign currency gain (loss). Accounting guidance requires companies to recognize all derivative instruments as either assets or liabilities at fair value in the unaudited condensed consolidated balance sheet. The Company’s fuel price derivative instruments and foreign currency instruments do not qualify for hedge accounting treatment, and therefore, no such hedging designation has been made. Derivatives Not Designated as Hedging Instruments For derivative instruments that are not designated as hedging instruments, the gain or loss on the derivative is recognized in current earnings. As of September 30, 2016, the Company had the following foreign currency swap outstanding, which is not designated as a hedging contract and settles in U.S. dollars during the fourth quarter of 2016: Aggregate Notional Amount Australian dollar A$ 10,000 The following table presents information on the location and amounts of derivative gains and losses in the unaudited condensed consolidated statements of income: Amount of Gain or Derivatives Not Designated as Hedging Instruments Location of Gain or (Loss) Recognized in Three months ended September 30, Nine months ended Income on Derivative 2016 2015 2016 2015 Commodity contracts Net realized and unrealized (loss) gain on fuel price derivatives $ — $ 7,922 $ 711 $ 4,671 Foreign currency contracts Net foreign currency gain (loss) $ 1 $ (100 ) $ 40 $ 21,867 The following table presents information on the location and amounts of derivative fair values in the unaudited condensed consolidated balance sheets: Derivatives Classified as Assets Derivatives Classified as Liabilities September 30, 2016 December 31, 2015 September 30, 2016 December 31, 2015 Derivatives Not Designated as Hedging Instruments Balance Fair Balance Fair Balance Fair Balance Sheet Location Fair Value Commodity contracts Fuel price $ — Fuel price $ 5,007 Fuel price derivatives, at fair value $ — Fuel price derivatives, at fair value $ — Foreign currency contracts Accounts receivable $ — Accounts receivable $ — Accounts payable $ 9 Accounts payable $ 90

Financing and Other Debt

Financing and Other Debt	9 Months Ended
	Sep. 30, 2016
Debt Disclosure [Abstract]
Financing and Other Debt	9. Financing and Other Debt 2016 Credit Agreement On July 1, 2016 , the Company entered into the 2016 Credit Agreement, which replaced the 2014 Credit Agreement. The 2016 Credit Agreement provides for a tranche A term loan facility in an amount equal to $455,000 that matures on July 1, 2021 , a tranche B term loan facility in an amount equal to $1,200,000 that matures on July 1, 2023, and a $470,000 secured revolving credit facility, with a $250,000 sublimit for letters of credit and a $20,000 sublimit for swingline loans, that terminates on July 1, 2021 . Additional loans of up to the greater of $375,000 (plus the amount of certain prepayments) and an unlimited amount subject to satisfaction of a consolidated leverage ratio test of 4.00 to 1.00 may be made available under the 2016 Credit Agreement upon request of the Company subject to specified terms and conditions, including receipt of lender commitments. Proceeds from the 2016 Credit Agreement may be used for working capital purposes, acquisitions, payment of dividends and other restricted payments, refinancing of indebtedness, and other general corporate purposes. As of September 30, 2016 , the Company had $86,424 , net of loan origination fees, of borrowings against its $470,000 revolving credit facility. The outstanding debt under the amortizing term loan arrangement totaled $1,615,841 , net of loan origination fees at September 30, 2016 . As of September 30, 2016, amounts outstanding under the 2016 Credit Agreement bore a weighted average effective interest rate of 3.8% . Amounts outstanding under the 2016 Credit Agreement bear interest at a rate equal to, at the Company’s option, (a) the Eurocurrency Rate, as defined in the 2016 Credit Agreement, plus a margin of between 1.75% to 3.25% ( 3.25% at September 30, 2016) with respect to the tranche A term loan facility and the revolving credit facility and between 3.25% to 3.50% ( 3.50% at September 30, 2016) with respect to the tranche B term loan facility (with the Eurocurrency Rate subject to a 0.75% floor in the case of the tranche B term loan facility and a 0.0% floor in the case of the tranche A term loan and revolving credit facility), in each case, based on the ratio of consolidated funded indebtedness of the Company and its subsidiaries to consolidated EBITDA or (b) the highest of (i) the Federal Funds Rate plus 0.50% , (ii) the prime rate announced by Bank of America, and (iii) the Eurocurrency Rate plus 1.00% , in each case plus a margin of 0.75% to 2.25% ( 2.25% at September 30, 2016) with respect to the tranche A term loan facility and the revolving credit facility or 2.25% to 2.50% ( 2.50% at September 30, 2016) with respect to the tranche B term loan facility, in each case, based on the ratio of consolidated funded indebtedness of the Company and its subsidiaries to consolidated EBITDA. In addition, the Company has agreed to pay a quarterly commitment fee at a rate per annum ranging from 0.30% to 0.50% ( 0.50% at September 30, 2016) based on the ratio of consolidated funded indebtedness of the Company and its subsidiaries to consolidated EBITDA of the daily unused portion of the 2016 Credit Agreement. The tranche B term loan facility was issued with an original issue discount of 1.00% . The 2016 Credit Agreement requires the Company to prepay outstanding term loans, subject to certain exceptions, with: • solely with respect to the tranche B term loan facility, currently 50% (subject to reduction to 25% and 0% based upon the Company’s consolidated leverage ratio) of the Company’s annual Excess Cash Flow (as defined in the 2016 Credit Agreement); • 100% of the net cash proceeds of certain asset sales where the proceeds exceed certain thresholds, and certain casualty and condemnation events, subject to reinvestment rights and certain other exceptions; and • 100% of the net cash proceeds of any incurrence or issuance of certain debt, other than debt permitted under the 2016 Credit Agreement. The Company may voluntarily prepay outstanding loans from time to time, subject to certain conditions, without premium or penalty other than customary “breakage” costs with respect to Eurocurrency Rate loans, provided, however, that if on or prior to the date that is twelve (12) months following the closing date, the Company prepays any loans under the tranche B term loan facility in connection with a repricing transaction, the Company must pay a prepayment premium of 1.00% of the aggregate principal amount of the tranche B term loans so prepaid. The Company is required to make scheduled quarterly payments each equal to 1.25% in the case of the tranche A term loan facility, and 0.25% in the case of the tranche B term loan facility, of the original principal amount of the respective term loans made on the closing date, with the balance due at maturity. The 2016 Credit Agreement contains customary representations and warranties, as well as affirmative and negative covenants. The 2016 Credit Agreement also requires, solely for the benefit of the lenders under the tranche A term loan facility and the revolving credit facility, that the Company maintain at the end of each fiscal quarter the following financial ratios: • a consolidated EBITDA to consolidated interest charge coverage ratio of no less than 3.25 to 1.00; and • a consolidated funded indebtedness (excluding (i) up to an agreed amount of consolidated funded indebtedness under permitted securitization transactions and (ii) the non-recourse portion of any permitted factoring transaction) to consolidated EBITDA ratio of, initially, no more than 5.40 to 1.00, which ratio shall step down to 5.25 to 1.00 at December 31, 2016, 5.00 to 1.00 at December 31, 2017, 4.25 to 1.00 at December 31, 2018 and 4.00 to 1.00 at December 31, 2019. The obligations under the 2016 Credit Agreement are secured by a security interest in, subject to certain exceptions, substantially all of the assets of the Company pursuant to the terms of a U.S. Security Agreement, dated as of July 1, 2016, in favor of Bank of America, as collateral agent for the lenders. On July 1, 2016, the Company borrowed the entire principal amount of the tranche A term loan facility, the entire principal amount of the tranche B term loan facility and $220,000 under the revolving credit facility to pay the cash portion of the purchase price for the acquisition of EFS, repay EFS's outstanding credit facilities, repay amounts outstanding under the 2014 Credit Agreement, and pay related fees, expenses and other transaction costs, as well as for working capital and other general corporate purposes. The total initial borrowing on July 1, 2016 was $1,875,000 and the total borrowing capacity under the 2016 Credit Agreement is $2,125,000 . On July 1, 2016, concurrently with the financing transactions discussed above, the Company repaid in full all outstanding amounts under the 2014 Credit Agreement and terminated all commitments by the lenders to extend further credit thereunder and all guarantees and security interests granted by the Company to the lenders thereunder. The Company did not incur any early termination penalties in connection with the termination of the 2014 Credit Agreement. 2014 Credit Agreement As of June 30, 2016, the Company had $282,639 , net of loan origination fees, of borrowings against its $700,000 revolving credit facility. The outstanding debt under the amortizing term loan arrangement, which was scheduled to expire in January of 2018, totaled $445,000 at June 30, 2016 and $458,750 at December 31, 2015 . As of June 30, 2016, amounts outstanding under the amortizing term loan bore interest at a rate of LIBOR plus 200 basis points. The revolving credit facility bore interest at a rate equal to, at the Company's option, (a) LIBOR plus 200 basis points, (b) the prime rate plus 100 basis points for domestic borrowings; and the Eurocurrency rate plus 200 basis points for international borrowings. On July 1, 2016, the Company entered into the 2016 Credit Agreement, which replaced the 2014 Credit Agreement. See above for a discussion of the 2016 Credit Agreement. Borrowed Federal Funds In the third quarter of 2016, the Company increased its federal funds lines of credit to $225,000 . As of September 30, 2016 , the Company had $0 outstanding on its $225,000 federal funds lines of credit. As of December 31, 2015 the Company had no outstanding balance on its $257,500 of available credit on these lines. UNIK debt UNIK had approximately $13,127 of debt as of September 30, 2016 , and $5,046 of debt as of December 31, 2015 . UNIK's debt is comprised of various credit facilities held in Brazil, with various maturity dates. The weighted average annual interest rate was 14.6 percent as of September 30, 2016 and 13.5 percent as of December 31, 2015 . This debt is classified in Other debt on the Company’s unaudited condensed consolidated balance sheets for the periods presented. Participation debt During the second quarter of 2014, WEX Bank entered into an agreement with a third-party bank to fund customer balances that exceeded WEX Bank's lending limit to an individual customer. This agreement was most recently amended in July 2016 to extend the maturity date while maintaining a funding capacity of $45,000 . During the second quarter of 2016, WEX Bank entered into another agreement with a separate third-party bank for a funding capacity of $10,000 . This agreement was amended in August 2016 to increase the funding capacity to $50,000 . These borrowings carry a variable interest rate of 1 to 3-month LIBOR plus a margin of 225 basis points. The balance of the debt was $95,000 as of September 30, 2016 and $45,000 as of December 31, 2015 and was secured by an interest in the underlying customer receivables. The participation debt balance will fluctuate on a daily basis based on customer funding needs, and will range from $0 to $95,000 . The Company's participation debt agreements will mature on December 31, 2020 and August 18, 2017, respectively. This debt is classified in Other debt on the Company’s unaudited condensed consolidated balance sheets for the periods presented. Australian securitization facility On April 28, 2015, the Company entered into a one year securitized debt agreement with the Bank of Tokyo-Mitsubishi UFJ, Ltd. In April 2016, this agreement was extended for one year . Under the terms of the agreement, each month, on a revolving basis, the Company sells certain of its Australian receivables to our Australian Securitization Subsidiary. The Australian Securitization Subsidiary, in turn, uses the receivables as collateral to issue asset-backed commercial paper ("securitized debt") for approximately 85 percent of the securitized receivables. The amount collected on the securitized receivables is restricted to pay the securitized debt and is not available for general corporate purposes. The Company pays a variable interest rate on the outstanding balance of the securitized debt, based on the Australian Bank Bill Rate plus an applicable margin. The interest rate was 2.70 percent as of September 30, 2016 and 2.91 percent as of December 31, 2015 . The Company had $76,408 of securitized debt under this facility as of September 30, 2016 and $82,018 of securitized debt as of December 31, 2015 . European securitization facility On April 7, 2016, the Company entered into a five year securitized debt agreement with the Bank of Tokyo-Mitsubishi UFJ, Ltd. Under the terms of the agreement, the Company sells certain of its receivables from selected European countries to our European Securitization Subsidiary. The European Securitization Subsidiary, in turn, uses the receivables as collateral to issue securitized debt. The amount collected on the securitized receivables is restricted to pay the securitized debt and is not available for general corporate purposes. The amounts of receivables to be securitized under this agreement will be determined by management on a monthly basis. The Company had $7,460 of securitized debt under this facility as of September 30, 2016 at an interest rate of 0.83 percent . Debt issuance costs During the third quarter of 2016, the Company capitalized approximately $46,882 of debt issuance costs associated with the 2016 Credit Agreement. Additionally, we expensed approximately $5,056 during the third quarter of 2016 related to noncapitalizable third-party costs incurred in connection with the modification of certain 2014 Credit Agreement syndicate loans. These debt issuance costs will be amortized into interest expense over the 2016 Credit Agreement's term using the effective interest method for the tranche A and B term loans and the straight-line method for the revolver. The Company recognized a loss of $2,018 associated with the early extinguishment of the 2014 Credit Agreement during the three months ended September 30, 2016, including a partial write-off of previously capitalized debt issuance costs and newly paid lender fees associated with the extinguishment of syndicate borrowings. In January 2016, the Company began to incur ticking fees for the debt financing commitment associated with the 2016 Credit Agreement in anticipation of the then pending acquisition of EFS. Pursuant to the terms set forth in the bank commitment letter, the ticking fees were calculated based on the financing commitment in the aggregate amount of $2,125,000 , and remained in place until the closing of the EFS acquisition on July 1, 2016 (see Note 3). Total ticking fees accrued were $30,045 for the nine months ended September 30, 2016, and are included in financing interest expense. In conjunction with the continued negotiation of the Company's new credit agreement, the amount of ticking fees to be paid was reduced by $7,874 . The total amount of ticking fees paid at the closing of the EFS acquisition was $22,171 . The excess ticking fees were reflected as a reduction of the $46,882 debt issuance costs related to the 2016 Credit Agreement noted above and will be amortized over the 2016 Credit Agreement's term using the effective interest method for the tranche A and B term loans and the straight-line method for the revolver. The following table presents the Company's net debt issuance costs related to its revolving line-of-credit facilities, term loan and notes outstanding: September 30, 2016 December 31, 2015 Revolving line of credit facilities and term loan $ 40,147 $ 4,837 Notes outstanding $ 4,649 $ 5,200

Fair Value

Fair Value	9 Months Ended
	Sep. 30, 2016
Fair Value Disclosures [Abstract]
Fair Value	10. Fair Value The Company holds mortgage-backed securities, fixed income securities, derivatives (see Note 8, Derivative Instruments) and certain other financial instruments which are carried at fair value. The Company determines fair value based upon quoted prices when available or through the use of alternative approaches, such as model pricing, when market quotes are not readily accessible or available. In determining the fair value of the Company’s obligations, various factors are considered, including: closing exchange or over-the-counter market price quotations; time value and volatility factors underlying options and derivatives; price activity for equivalent instruments; and the Company’s own credit standing. These valuation techniques may be based upon observable and unobservable inputs. Observable inputs reflect market data obtained from independent sources, while unobservable inputs reflect the Company’s market assumptions. These two types of inputs create the following fair value hierarchy: • Level 1 – Quoted prices for identical instruments in active markets. • Level 2 – Quoted prices for similar instruments in active markets; quoted prices for identical or similar instruments in markets that are not active; and model-derived valuations whose inputs are observable or whose significant value drivers are observable. • Level 3 – Instruments whose significant value drivers are unobservable. Assets and liabilities measured at fair value are classified in their entirety based on the lowest level of input that is significant to the fair value measurement. Our assessment of the significance of a particular input to the fair value measurement in its entirety requires judgment and considers factors specific to the asset or liability. We did not have any transfers between Level 1 and Level 2 of the fair value hierarchy during the three or nine months ended September 30, 2016. The following table presents the Company’s assets that are measured at fair value and the related hierarchy levels as of September 30, 2016 : Fair Value Measurements at Reporting Date Using September 30, 2016 Quoted Prices Significant Significant Assets: Mortgage-backed securities $ 499 $ — $ 499 $ — Asset-backed securities 688 — 688 — Municipal bonds 708 — 708 — Fixed-income mutual fund 22,265 22,265 — — Total available-for-sale securities $ 24,160 $ 22,265 $ 1,895 $ — Executive deferred compensation plan trust (a) $ 5,716 $ 5,716 $ — $ — Liabilities: Foreign currency swaps (b) $ 9 $ — $ 9 $ — (a) The fair value of these instruments is recorded in Other assets. (b) The fair value of these instruments is recorded in Accounts payable. The following table presents the Company’s assets and liabilities that are measured at fair value and the related hierarchy levels as of December 31, 2015 : Fair Value Measurements at Reporting Date Using December 31, 2015 Quoted Prices Significant Significant Assets: Mortgage-backed securities $ 650 $ — $ 650 $ — Asset-backed securities 848 — 848 — Municipal bonds 398 — 398 — Fixed-income mutual fund 16,666 16,666 — — Total available-for-sale securities $ 18,562 $ 16,666 $ 1,896 $ — Executive deferred compensation plan trust (a) $ 5,655 $ 5,655 $ — $ — Fuel price derivatives – unleaded fuel (b) $ 3,083 $ — $ 3,083 $ — Fuel price derivatives – diesel (b) 1,924 — — 1,924 Total fuel price derivatives $ 5,007 $ — $ 3,083 $ 1,924 Liabilities: Foreign currency swaps (c) $ 90 $ — $ 90 $ — (a) The fair value of these instruments is recorded in Other assets. (b) The balance sheet presentation combines unleaded fuel and diesel fuel positions. (c) The fair value of these instruments is recorded in Accounts payable. Available-for-sale securities and executive deferred compensation plan trust When available, the Company uses quoted market prices to determine the fair value of available-for-sale securities; such items are classified in Level 1 of the fair-value hierarchy. These securities primarily consist of an open-ended mutual fund which is invested in fixed-income securities and is held in order to satisfy certain regulatory requirements of WEX Bank. For mortgage-backed and asset-backed debt securities and bonds, the Company generally uses quoted prices for recent trading activity of assets with similar characteristics to the debt security or bond being valued. The securities and bonds priced using such methods are generally classified as Level 2. The obligations related to the deferred compensation plan trust are classified as Level 1 in the fair value hierarchy because the fair value is determined using quoted prices for identical instruments in active markets. Foreign currency contracts Derivatives include foreign currency forward and swap contracts. The Company's foreign currency forward and swap contracts are valued using an income approach (Level 2) based on the spot rate less the contract rate multiplied by the notional amount. We consider counterparty credit risk in the valuation of the Company's derivatives. This credit risk did not have a material impact on the valuation of the Company's derivatives during 2016 and 2015. Fuel price derivative instruments The majority of fuel price derivative instruments entered into by the Company were executed over-the-counter and were valued using internal valuation techniques as no quoted market prices exist for such instruments. The valuation technique and inputs depend on the type of derivative and the nature of the underlying instrument. The principal technique used to value these instruments was a comparison of the spot price of the underlying instrument to its related futures curve adjusted for the Company’s assumptions of volatility and present value, where appropriate. The fair values of derivative contracts reflected the expected cash the Company would pay or receive upon settlement of the respective contracts. The key inputs depend upon the type of derivative and the nature of the underlying instrument and include interest rate yield curves, the spot price of the underlying instruments, volatility, and correlation. The item was placed in either Level 2 or Level 3 depending on the observability of the significant inputs to the model. Correlation and inputs with longer tenures are generally less observable. Fuel price derivative instruments – diesel. The assumptions used in the valuation of the diesel fuel price derivative instruments used both observable and unobservable inputs. There is a lack of price transparency with respect to forward prices for diesel fuel. Such unobservable inputs are significant to the diesel fuel derivative contract valuation methodology. After the first quarter of 2016, the Company no longer holds any fuel price derivatives. The following table presents a reconciliation of the beginning and ending balances for fuel-price derivative assets measured at fair value on a recurring basis using significant unobservable inputs (Level 3) during the three months ended September 30, 2015: Fuel Price Beginning balance, July 1 2015 $ 6,078 Total gains and (losses) – realized/unrealized Included in earnings (a) (1,633 ) Included in other comprehensive income — Purchases, issuances and settlements — Transfers (in)/out of Level 3 — Ending balance, September 30 2015 $ 4,445 (a) Gains and losses for the three months ended September 30, 2015 are reported in net realized and unrealized losses on fuel price derivatives on the unaudited condensed consolidated statements of income. The following table presents a reconciliation of the beginning and ending balances for fuel-price derivative assets measured at fair value on a recurring basis using significant unobservable inputs (Level 3) during the nine months ended: September 30, 2016 September 30, 2015 Fuel Price Fuel Price Beginning balance, January 1, 2016 and 2015, respectively $ 1,924 $ 11,848 Total (losses) and gains – realized/unrealized Included in earnings (a) (1,924 ) (7,403 ) Included in other comprehensive income — — Purchases, issuances and settlements — — Transfers (in)/out of Level 3 — — Ending balance September 30, 2016 and 2015, respectively $ — $ 4,445 (a) Gains and losses for the nine months ended September 30, 2016 and 2015 are reported in net realized and unrealized losses on fuel price derivatives on the unaudited condensed consolidated statements of income. Debt We determine the fair value of the amount outstanding under our 2016 Credit Facility and Notes based on the market rates for the issuance of the Company's debt which are Level 2 inputs in the fair value hierarchy. The fair value of amounts outstanding under the 2016 Credit Facility approximate the carrying value. The Notes outstanding as of September 30, 2016 have a carrying value of $400,000 , less loan origination fees of $4,649 , and a fair value of $396,000 . As of December 31, 2015 the carrying value of the $400,000 in Notes outstanding, less loan origination fees of $5,200 , had a fair value of $366,000 .

Accumulated Other Comprehensive

Accumulated Other Comprehensive Income (Loss)	9 Months Ended
	Sep. 30, 2016
Equity [Abstract]
Accumulated Other Comprehensive Income (Loss)	11. Accumulated Other Comprehensive Income (Loss) A reconciliation of accumulated other comprehensive income (loss) for the three month periods ended September 30, 2016 and 2015 , is as follows: 2016 2015 Unrealized Gains and Losses on Available- for-Sale Securities Foreign Currency Items Unrealized Gains and Losses on Available- for-Sale Securities Foreign Currency Items Beginning balance $ 59 $ (104,079 ) $ (178 ) $ (67,344 ) Other comprehensive income (loss) (62 ) 1,549 99 (32,490 ) Purchase of redeemable non-controlling interest — — — (9,108 ) Ending balance $ (3 ) $ (102,530 ) $ (79 ) $ (108,942 ) A reconciliation of accumulated other comprehensive income (loss) for the nine month periods ended September 30, 2016 and 2015 , is as follows: 2016 2015 Unrealized Gains and Losses on Available- for-Sale Securities Foreign Currency Items Unrealized Gains and Losses on Available- for-Sale Securities Foreign Currency Items Beginning balance $ (212 ) $ (103,239 ) $ (129 ) $ (50,452 ) Other comprehensive income (loss) 209 709 50 (49,382 ) Purchase of redeemable non-controlling interest — — — (9,108 ) Ending balance $ (3 ) $ (102,530 ) $ (79 ) $ (108,942 ) No amounts were reclassified from accumulated other comprehensive income (loss) in the periods presented. The change in foreign currency items is primarily due to the foreign currency translation of non-cash assets such as goodwill and other intangible assets related to the Company's foreign subsidiaries. The total tax effect on accumulated unrealized losses, as of September 30, 2016 , was $5,025 , and the total tax effect on accumulated unrealized losses, as of September 30, 2015 , was $1,414 .

Non-controlling Interests

Non-controlling Interests	9 Months Ended
	Sep. 30, 2016
Noncontrolling Interest [Abstract]
Non-controlling Interests	12. Non-controlling Interests On August 30, 2012 , the Company acquired a 51 percent ownership interest in UNIK. The redeemable non-controlling interest was measured at fair value at the date of acquisition and was reported on the Company’s unaudited condensed consolidated balance sheets as “Redeemable non-controlling interest." On August 31, 2015 , the Company acquired the remaining 49 percent ownership in UNIK for $46,018 . Due to put rights held by the non-controlling shareholders after the Company's original investment, the non-controlling interest was previously reported as a liability rather than permanent equity. The Company agreed to cancel this put option in conjunction with the acquisition of the remaining 49 percent ownership. The value of the redeemable non-controlling interest was adjusted to the redemption value at date of purchase and the Company recorded the adjustment to retained earnings. This adjustment to retained earnings reduces the Earnings Per Share to shareholders. The Company recorded the amount paid in excess of the redemption value in additional paid-in capital and the impact related to foreign currency in accumulated other comprehensive income. The Company's overall purchase price was less than the fair value of UNIK. A reconciliation of redeemable non-controlling interest for the three and nine month periods ended September 30, 2015 , is as follows: Three months ended Nine months ended September 30, 2015 Balance, beginning of period $ 14,992 $ 16,590 Net gain attributable to redeemable non-controlling interest 531 1,190 Currency translation adjustment (1,953 ) (4,210 ) Adjustment to redemption value 9,413 9,413 Excess purchase amount over redemption value 23,035 23,035 Purchase of non-controlling interest (46,018 ) (46,018 ) Ending balance $ — $ — On December 1, 2014, WEX acquired the assets of ExxonMobil's Esso portfolio in Europe through its majority owned subsidiary, WEX Europe Services Limited. The Company formed this entity during 2013 and has 75 percent ownership. A reconciliation of non-controlling interest for the three and nine month periods ended September 30, 2016 and September 30, 2015 is as follows: Three months ended Nine months ended September 30, 2016 2015 2016 2015 Balance, beginning of period $ 12,052 $ 13,165 $ 12,437 $ 17,396 Net loss attributable to non-controlling interest (493 ) (328 ) (1,013 ) (3,391 ) Currency translation adjustment 55 (505 ) 190 (1,673 ) Ending balance $ 11,614 $ 12,332 $ 11,614 $ 12,332

Income Taxes

Income Taxes	9 Months Ended
	Sep. 30, 2016
Income Tax Disclosure [Abstract]
Income Taxes	13. Income Taxes The Company's effective tax rate was 24.0 percent for the third quarter of 2016 as compared to 42.4 percent for the third quarter of 2015. A decrease to valuation allowances previously established on estimated non-deductible expenses and certain state net operating losses in the aggregate amount of $3,175 was recorded as a reduction to income tax expense during the third quarter of 2016. The acquisition of EFS provided additional sources of taxable income causing a change in judgment about the realizability of related deferred tax assets. Nondeductible expenses and discrete tax items in the third quarter of 2015 contributed to the higher effective tax rate, as compared to the third quarter of 2016. Other factors contributing to the rate fluctuation include changes in the mix of earnings among different tax jurisdictions as well as changes to overall worldwide profitability. Undistributed earnings of certain foreign subsidiaries of the Company amounted to $27,092 at September 30, 2016 , and $13,230 at December 31, 2015 . These earnings are considered to be indefinitely reinvested, and accordingly, no U.S. federal and state income taxes have been provided thereon. Upon distribution of these earnings in the form of dividends or otherwise, the Company would be subject to both U.S. income taxes (subject to an adjustment for foreign tax credits) and withholding taxes payable to the various foreign countries. The Company has determined that the amount of taxes attributable to these undistributed earnings is not practicably determinable.

Commitments and Contingencies

Commitments and Contingencies	9 Months Ended
	Sep. 30, 2016
Commitments and Contingencies Disclosure [Abstract]
Commitments and Contingencies	14. Commitments and Contingencies Litigation On August 11, 2016, the Company was sued in the Circuit Court of St. Charles County, Missouri, in a putative class action alleging the Company improperly sent unauthorized facsimile advertisements in violation of the Telephone Consumer Protection Act, 47 U.S.C. § 227 (the “TCPA”). The named plaintiff seeks to represent a nationwide class of recipients of unauthorized facsimile advertisements from the Company (collectively, the "Plaintiffs") and requests statutory damages for each facsimile advertisement. The Plaintiffs further allege that the opt-out notice of the faxes did not meet the criteria set forth in the TCPA or its underlying regulations. The Company removed the case to the United States District Court for the Eastern District of Missouri on September 15, 2016. On October 14, 2016, the Company filed an answer denying liability and stating the facsimile advertisement at issue was sent by FleetOne, LLC, Company’s wholly-owned subsidiary. The Company is currently conducting an internal review of this matter and intends to vigorously defend itself. The current estimate of a reasonably possible loss contingency is not material to the Company's consolidated financial position, results of operations, cash flows or liquidity. The Company is involved in other pending litigation in the ordinary course of business. In the opinion of management, such litigation will not have a material adverse effect on the Company’s unaudited condensed consolidated financial position, results of operations or cash flows. Commitments As described in Notes 3 and 9, the Company closed on the 2016 Credit Agreement and the EFS acquisition on July 1, 2016. Other significant commitments and contingencies as of September 30, 2016 are consistent with those discussed in Note 18 to the consolidated financial statements in the 2015 Annual Report.

Restructuring

Restructuring	9 Months Ended
	Sep. 30, 2016
Restructuring and Related Activities [Abstract]
Restructuring	15. Restructuring In the first quarter of 2015, the Company commenced a restructuring initiative (the "2015 Restructuring Initiative") as a result of its global review of operations. The global review of operations identified certain initiatives to further streamline the business, improve the Company's efficiency, and to globalize the Company's operations, all with an objective to improve scale and increase profitability going forward. The Company continued its efforts to improve its overall operational efficiency and began a second restructuring initiative (the "2016 Restructuring Initiative") during the second quarter of 2016. In connection with the EFS acquisition, the Company initiated a restructuring program in the third quarter of 2016 (the "Acquisition Integration Restructuring Initiative"). The restructuring expenses related to these initiatives primarily consist of employee costs and office closure costs directly associated with the program. The Company has determined that the amount of expenses related to these initiatives are probable and estimable and has recorded the impact on the unaudited condensed consolidated statements of income and in Accrued expenses on the unaudited condensed consolidated balance sheet. The balance under the 2015 Restructuring Initiative is expected to be paid through 2017, the amount under the 2016 Restructuring Initiative is expected to be paid through 2018, and the amount under the Acquisition Integration Restructuring Initiative is expected to be paid through 2017. The Company expects to incur an additional $3,000 in restructuring costs related to the 2015 Restructuring Initiative, an additional $900 in restructuring costs related to the 2016 Restructuring Initiative, and an additional $1,300 in restructuring costs related to the Acquisition Integration Restructuring Initiative. The following table presents the Company's 2015 Restructuring Initiative liability for the three and nine months ended September 30, 2016 and 2015: Three Months Ended September 30, Nine Months Ended September 30, 2016 2015 2016 2015 Beginning balance $ 7,085 $ 8,822 $ 7,249 $ — Restructuring charges 446 — 2,035 8,559 Reserve release — (45 ) — (45 ) Cash paid (638 ) — (2,763 ) — Impact of foreign currency translation 701 (304 ) 1,073 (41 ) Ending balance $ 7,594 $ 8,473 $ 7,594 $ 8,473 The following table presents the Company’s 2016 Restructuring Initiative liability for the three and nine months ended September 30, 2016 : Three Months Ended September 30, 2016 Nine Months Ended September 30, 2016 Beginning balance $ 3,488 $ — Restructuring charges — 3,506 Cash paid (4 ) (4 ) Impact of foreign currency translation 264 246 Ending balance $ 3,748 $ 3,748 The following table presents the Company’s Acquisition Integration Restructuring Initiative liability for the three and nine months ended September 30, 2016 : Three Months Ended September 30, 2016 Nine Months Ended September 30, 2016 Beginning balance $ — $ — Restructuring charges 2,085 2,085 Cash paid (421 ) (421 ) Impact of foreign currency translation — — Ending balance $ 1,664 $ 1,664 The following table presents the Company's total restructuring liability for the three and nine months ended September 30, 2016 and 2015 : Three Months Ended September 30, 2016 Nine Months Ended September 30, 2016 2016 2015 2016 2015 Beginning balance $ 10,573 $ 8,822 $ 7,249 $ — Restructuring charges 2,531 — 7,626 8,559 Reserve release — (45 ) — (45 ) Cash paid (1,063 ) — (3,188 ) — Impact of foreign currency translation 965 (304 ) 1,319 (41 ) Ending balance $ 13,006 $ 8,473 $ 13,006 $ 8,473

Segment Information

Segment Information	9 Months Ended
	Sep. 30, 2016
Segment Reporting [Abstract]
Segment Information	16. Segment Information Operating segments are defined as components of an enterprise about which separate financial information is available and is evaluated regularly by the chief operating decision maker in deciding how to allocate resources and assess performance. The Company’s chief operating decision maker is its Chief Executive Officer. The operating segments are aggregated into the three reportable segments described below. The Company’s chief operating decision maker evaluates the operating results of the Company’s operating and reportable segments based upon revenues and adjusted pre-tax income before NCI which adjusts income before income taxes to exclude certain items as noted below. The Fleet Solutions segment provides customers with payment and transaction processing services specifically designed for the needs of commercial and government fleets. This segment also provides information management services to these fleet customers. The Travel and Corporate Solutions segment focuses on the complex payment environment of business-to-business payments, providing customers with payment processing solutions for their corporate payment and transaction monitoring needs. The Health and Employee Benefit Solutions segment provides healthcare payment products and SaaS consumer directed platforms, as well as payroll related benefits to customers in Brazil. Prior to the fourth quarter of 2015, the Company reported its results of operations in two business segments, Fleet Payment Solutions and Other Payment Solutions. During the fourth quarter of 2015, the Company revised its internal and external reporting and reports its results of operations in three reportable segments. The Company has recast the prior year's segment information to conform to the current year presentation. During the third quarter of 2016, management continued to further refine our segment reporting, reclassifying certain revenues and expenses previously reported in our Health and Employee Benefit Solutions segment to our Fleet Solutions segment. The prior year amounts have been revised to reflect these adjustments, which were not deemed to be material to prior interim or annual periods, either individually or in the aggregate. Our segments earn interest income both from banking relationships and from cardholders. The majority of interest income from cardholders is earned on our salary payment cards offered in Brazil. The following table presents the Company's interest income by segment: Three Months Ended September 30, Nine Months Ended September 30, 2016 2015 2016 2015 Fleet Solutions $ 961 $ 142 $ 2,547 $ 966 Travel and Corporate Solutions 143 91 330 245 Health and Employee Benefit Solutions 2,794 1,606 6,176 4,010 Total interest income $ 3,898 $ 1,839 $ 9,053 $ 5,221 Net realized and unrealized losses on derivative instruments are allocated to the Fleet Solutions segment in the computation of segment results for internal evaluation purposes. Total assets are not allocated to the segments. Beginning in the second quarter of 2015, adjusted pre-tax income before NCI excludes net foreign currency gains and losses. Beginning in the third quarter of 2016, adjusted pre-tax income before NCI further excludes debt issuance cost amortization. For comparative purposes, adjusted pre-tax income before NCI attributable to shareholders for the prior periods has been adjusted to reflect the exclusion of these items and differs from the figure previously reported due to this adjustment. The segment information has also been updated for the three and nine month periods ended September 30, 2015 to disaggregate revenue into payment processing, account servicing, finance fee and other revenue in order to provide additional information regarding the Company’s significant revenue streams and to conform to the current year presentation. There was no change to total revenue or other financial information in any of the periods presented as a result of this updated presentation. The following tables present the Company’s reportable segment results on an adjusted pre-tax net income before NCI basis for the three and nine months ended September 30, 2016 and 2015 : Three Months Ended September 30, Nine Months Ended September 30, 2016 2015 2016 2015 Fleet Solutions revenue Payment processing revenue $ 83,132 $ 80,230 $ 216,133 $ 233,300 Account servicing revenue 37,414 26,024 90,400 75,267 Finance fee revenue 33,230 21,794 85,841 59,858 Other revenue 30,982 14,789 57,417 43,345 Total Fleet Solutions revenue $ 184,758 $ 142,837 $ 449,791 $ 411,770 Total Fleet Solutions operating interest expense $ 1,066 $ 405 $ 1,867 $ 1,566 Total Fleet Solutions depreciation and amortization $ 35,172 $ 13,266 $ 62,927 $ 41,877 Total Fleet Solutions adjusted pre-tax income before NCI $ 49,718 $ 55,902 $ 121,096 $ 153,725 Three Months Ended September 30, Nine Months Ended September 30, 2016 2015 2016 2015 Travel and Corporate Solutions revenue Payment processing revenue $ 52,551 $ 44,387 $ 130,372 $ 114,586 Account servicing revenue 242 449 852 1,329 Finance fee revenue 115 104 336 233 Other revenue 10,407 11,542 30,235 31,621 Total Travel and Corporate Solutions revenue $ 63,315 $ 56,482 $ 161,795 $ 147,769 Total Travel and Corporate Solutions operating interest expense $ 840 $ 488 $ 2,003 $ 754 Total Travel and Corporate Solutions depreciation and amortization $ 1,630 $ 1,336 $ 3,007 $ 2,251 Total Travel and Corporate Solutions adjusted pre-tax income before NCI $ 31,449 $ 26,991 $ 74,797 $ 68,076 Three Months Ended September 30, Nine Months Ended September 30, 2016 2015 2016 2015 Health and Employee Benefit Solutions revenue Payment processing revenue $ 10,499 $ 8,581 $ 36,814 $ 30,828 Account servicing revenue 21,159 13,105 59,518 38,404 Finance fee revenue 2,793 1,604 6,171 4,003 Other revenue 5,232 3,448 13,532 9,221 Total Health and Employee Benefit Solutions revenue $ 39,683 $ 26,738 $ 116,035 $ 82,456 Total Health and Employee Benefit Solutions operating interest expense $ 693 $ 590 $ 1,620 $ 2,099 Total Health and Employee Benefit Solutions depreciation and amortization $ 9,206 $ 6,176 $ 25,447 $ 18,796 Total Health and Employee Benefit Solutions adjusted pre-tax income before NCI $ 3,364 $ 2,633 $ 15,571 $ 12,144 The following table reconciles income before income taxes to adjusted pre-tax income before NCI: Three Months Ended September 30, Nine Months Ended September 30, 2016 2015 2016 2015 Income before income taxes $ 25,268 $ 72,496 $ 78,067 $ 149,862 Acquisition and divestiture related items 46,955 11,888 108,805 34,843 Debt restructuring and debt issuance cost amortization 9,106 778 10,649 2,319 Stock-based compensation 5,199 3,067 14,312 10,227 Restructuring and other costs 3,767 (45 ) 11,689 8,514 Changes in unrealized fuel price derivatives — 3,251 5,007 27,552 Net foreign currency remeasurement (gains) losses (5,932 ) (6,525 ) (17,233 ) 12 Non-cash adjustments related to tax receivable agreement 168 (1,634 ) 168 (1,634 ) Regulatory reserve — 2,250 — 2,250 Adjusted pre-tax income before NCI $ 84,531 $ 85,526 $ 211,464 $ 233,945 The Company's adjusted pre-tax income before NCI excludes acquisition and divestiture related items, debt restructuring and debt issuance cost amortization, stock-based compensation, restructuring and other costs related to certain outsourcing initiatives, changes in unrealized fuel price derivatives, net foreign currency remeasurement gains and losses, non-cash adjustments related to our tax receivable agreement and reserves for regulatory penalties. Although adjusted pre-tax income before NCI is not calculated in accordance with GAAP, this non-GAAP measure is integral to the Company's reporting and planning processes and the chief operating decision maker of the Company uses it to allocate resources. The Company considers this measure integral because in the periods prior to the second quarter of 2016, it eliminated the non-cash volatility associated with fuel price related derivative instruments, and it continues to exclude other specified items that the Company's management excludes in evaluating the Company's performance. Specifically, in addition to evaluating the Company's performance on a GAAP basis, management evaluates the Company's performance on a basis that excludes the above items because: • The Company considers certain acquisition-related costs, including certain financing costs, ticking fees, investment banking fees, warranty and indemnity insurance, acquisition-related expenses and amortization of acquired intangibles, as well as gains and losses from divestitures to be unpredictable, dependent on factors that may be outside of our control and unrelated to the continuing operations of the acquired or divested business or the Company. In prior periods not reflected above, the Company has adjusted for goodwill impairments and acquisition related asset impairments. In addition, the size and complexity of an acquisition, which often drives the magnitude of acquisition-related costs, may not be indicative of such future costs. The Company believes that excluding acquisition-related costs and gains or losses of divestitures facilitates the comparison of our financial results to the Company's historical operating results and to other companies in our industry. • Debt issuance cost amortization is a non-cash item. Additionally, both the debt issuance cost amortization and the costs associated with debt restructuring are unrelated to the continuing operations of the Company. Because these types of costs are dependent upon the financing method which can vary widely company to company, we believe that excluding these costs helps to facilitate comparison to historical results as well as to other companies within our industry. • Stock-based compensation is different from other forms of compensation, as it is a non-cash expense. For example, a cash salary generally has a fixed and unvarying cash cost. In contrast, the expense associated with an equity-based award is generally unrelated to the amount of cash ultimately received by the employee, and the cost to the Company is based on a stock-based compensation valuation methodology and underlying assumptions that may vary over time. • Restructuring and other costs are related to employee termination benefits from certain identified initiatives to further streamline the business, improve the Company's efficiency, create synergies, globalize the Company's operations, and advance certain outsourcing initiatives, all with an objective to improve scale and increase profitability going forward. We exclude these items when evaluating our continuing business performance as such items are not consistently occurring and do not reflect expected future operating expense, nor provide insight into the fundamentals of current or past operations of our business. • Exclusion of the non-cash, mark-to-market adjustments on fuel-price related derivative instruments helps management identify and assess trends in the Company's underlying business that might otherwise be obscured due to quarterly non-cash earnings fluctuations associated with fuel-price-related derivative contracts. The non-cash mark-to-market adjustments on derivative instruments are difficult to forecast accurately, making comparisons across historical and future quarters difficult to evaluate. • Net foreign currency gains and losses primarily result from the remeasurement to functional currency of cash, receivable and payable balances, certain intercompany notes denominated in foreign currencies and any gain or loss on foreign currency hedges relating to these items. The exclusion of these items helps management compare changes in operating results between periods that might otherwise be obscured due to currency fluctuations. • Regulatory reserves reflect charges related to the estimated impact of a regulatory action which resulted in WEX paying a penalty. We have excluded this item when evaluating our continuing business performance as it is not consistently recurring and does not reflect an expected future operating expense, nor provide insight into the fundamentals of the current or past operations of our business. • The non-cash adjustments related to tax receivable agreement have no significant impact on the ongoing operations of the business. For the same reasons, WEX believes that adjusted pre-tax income before NCI may also be useful to investors as one means of evaluating the Company's performance. However, because adjusted pre-tax income before NCI is a non-GAAP measure, it should not be considered as a substitute for, or superior to, net income, operating income or cash flows from operating activities as determined in accordance with GAAP. In addition, adjusted pre-tax income before NCI as used by WEX may not be comparable to similarly titled measures employed by other companies.

Supplementary Regulatory Capita

Supplementary Regulatory Capital Disclosure	9 Months Ended
	Sep. 30, 2016
Debt Disclosure [Abstract]
Supplementary Regulatory Capital Disclosure	17. Supplementary Regulatory Capital Disclosure The Company's subsidiary, WEX Bank is subject to various regulatory capital requirements administered by the FDIC and the Utah Department of Financial Institutions. Failure to meet minimum capital requirements can initiate certain mandatory, and possible additional discretionary, actions by regulators that, if undertaken, could have a direct material effect on the Company’s financial statements. Under capital adequacy guidelines and the regulatory framework for prompt corrective action, WEX Bank must meet specific capital guidelines that involve quantitative measures of WEX Bank’s assets, liabilities, and certain off-balance-sheet items as calculated under regulatory accounting practices. WEX Bank’s capital amounts and classification are also subject to qualitative judgments by the regulators about components, risk weightings, and other factors. Quantitative measures established by regulation to ensure capital adequacy require WEX Bank to maintain minimum amounts and ratios as defined in the regulations. As of December 31, 2015 , the most recent FDIC exam report categorized WEX Bank as “well capitalized” under the regulatory framework for prompt corrective action. There are no conditions or events subsequent to that examination report that management believes have changed WEX Bank’s capital rating. WEX Bank’s actual and regulatory minimum capital amounts and ratios as of September 30, 2016 are presented in the following table: Actual Amount Ratio Minimum for Capital Adequacy Purposes Amount Ratio Minimum to Be Well Capitalized Under Prompt Corrective Action Provisions Amount Ratio Total Capital to risk-weighted assets $ 245,245 14.30 % $ 137,200 8.00 % $ 171,500 10.00 % Tier 1 Capital to average assets 236,458 12.12 % 78,039 4.00 % 97,549 5.00 % Common equity to risk-weighted assets 236,458 13.79 % 77,162 4.50 % 111,456 6.50 % Tier 1 Capital to risk-weighted assets 236,458 13.79 % 102,882 6.00 % 137,177 8.00 % WEX Bank's actual and regulatory minimum capital amounts and ratios as of December 31, 2015 are presented in the following table: Actual Amount Ratio Minimum for Capital Adequacy Purposes Amount Ratio Minimum to Be Well Capitalized Under Prompt Corrective Action Provisions Amount Ratio Total Capital to risk-weighted assets $ 202,294 15.50 % $ 104,437 8.00 % $ 130,547 10.00 % Tier 1 Capital to average assets 193,337 11.23 % 68,865 4.00 % 86,082 5.00 % Common equity to risk-weighted assets 193,337 14.81 % 58,746 4.50 % 84,855 6.50 % Tier 1 Capital to risk-weighted assets 193,337 14.81 % 78,328 6.00 % 104,437 8.00 %

Subsequent Events

Subsequent Events	9 Months Ended
	Sep. 30, 2016
Subsequent Events [Abstract]
Subsequent Events	18. Subsequent Events Interest Rate Swap Agreements On November 3, 2016, the Company entered into three forward-fixed interest rate swap agreements to manage the interest rate risk associated with our outstanding variable-interest rate borrowings. Commencing on December 30, 2016, the Company will receive variable interest of 1-month LIBOR under these swaps and will pay fixed rates between 0.896% to 1.125% under these swap agreements, reducing a portion of the variability of the future interest payments associated with $800,000 of our borrowings. The derivative agreements do not qualify for hedge accounting treatment and as such future changes in the fair value of these derivatives will be marked-to-market within our consolidated statements of income. The notional amounts, fixed and variable interest rates and maturities of the swap agreements are as follows: Tranche A Tranche B Tranche C Notional amount (USD) 400,000 150,000 250,000 Amortization 5% annually N/A N/A Maturity date 12/31/2020 12/31/2020 12/31/2018 Fixed interest rate 1.108% 1.125% 0.896%

New Accounting Standards (Polic

New Accounting Standards (Policies)	9 Months Ended
	Sep. 30, 2016
Accounting Changes and Error Corrections [Abstract]
Basis of Presentation	The accompanying unaudited condensed consolidated financial statements have been prepared in accordance with GAAP for interim financial information and with the instructions to Form 10-Q and Rule 10-01 of Regulation S-X. They do not include all information and notes required by GAAP for complete financial statements. However, except as disclosed herein, there have been no material changes in the information disclosed in the notes to the consolidated financial statements included in the Annual Report on Form 10-K of WEX Inc. for the year ended December 31, 2015 . These unaudited condensed consolidated financial statements should be read in conjunction with the financial statements that are included in the Company’s Annual Report on Form 10-K for the year ended December 31, 2015 , filed with the SEC on February 26, 2016 . In the opinion of management, all adjustments (including normal recurring accruals) considered necessary for a fair presentation have been included. Operating results for the three and nine months ended September 30, 2016 are not necessarily indicative of the results that may be expected for any future periods or the year ending December 31, 2016 . The presentation of the accompanying condensed consolidated statements of income has been updated for the three and nine month periods ended September 30, 2016 to disaggregate revenue into payment processing, account servicing, finance fee and other revenue in order to provide additional information regarding the Company’s significant revenue streams and to conform to the current year presentation. There was no change to total revenue, income from operations, net income or net income per share in any of the periods presented as a result of this updated presentation.
New Accounting Standards	In April 2015, the FASB issued ASU 2015-03 related to the simplification of the presentation of debt issuance costs. The standard requires entities to present such costs in the balance sheet as a direct deduction from the related debt liability rather than as an asset. Amortization of the costs is reported as interest expense. The ASU provides that debt issuance costs are analogous to debt discounts and reduce the proceeds of borrowing which increases the effective interest rate. Prior to the amendment, debt issuance costs were reported in the balance sheet as an asset. The amended guidance is effective for financial statements issued for fiscal years beginning after December 15, 2015, requires retrospective adoption, and represents a change in accounting principle. In September 2015, the FASB issued ASU 2015-16 related to simplifying the accounting for measurement period adjustments. This standard replaces the requirement that an acquirer in a business combination account for measurement period adjustments retrospectively. Under the amendments, an acquirer must recognize adjustments to the provisional amounts that are identified during the measurement period in the reporting period in which the adjustment amounts are determined, including the effect on earnings of changes in depreciation, amortization, or other income effects as if the accounting had been completed at the acquisition date. The guidance is to be applied prospectively to adjustments to provisional amounts that occur after the effective date of the guidance. The Company adopted this standard on January 1, 2016. In May 2014, the FASB issued ASU 2014-09 related to revenue recognition, which will supersede most existing revenue recognition guidance under U.S. GAAP. The new revenue recognition standard requires entities to recognize revenue for the transfer of promised goods or services to customers in an amount that reflects the consideration to which the entity expects to be entitled in exchange for those goods or services. The standard permits the use of either the retrospective or cumulative effect transition method. On July 9, 2015, the Board voted to defer the effective date by one year to interim and annual reporting periods beginning after December 15, 2017, and permitted early adoption of the standard, but not for periods beginning on or before the original effective date of December 15, 2016. FASB has and is expected to continue to issue clarifications on various aspects of ASU 2014-09. The Company is currently evaluating the impact of this standard on its consolidated financial statements and related disclosures and has not yet selected a transition method. In January 2016, the FASB issued ASU 2016-01 related to accounting for equity investments. The pronouncement requires equity investments, except those accounted for under the equity method of accounting, or those that result in consolidation of the investee, to be measured at fair value with changes in fair value recognized in net income. The standard is effective for annual reporting periods beginning after December 15, 2017, including interim periods within that reporting period. The Company is currently evaluating the impact the pronouncement will have on the consolidated financial statements and related disclosures. In February 2016, the FASB issued ASU 2016-02 to increase transparency and comparability among organizations by recognizing lease assets and lease liabilities on the balance sheet and disclosing key information about leasing arrangements. When transitioning, the standard requires leases to be recognized and measured at the beginning of the earliest period presented using a modified retrospective approach. Certain qualitative and quantitative disclosures are required. The standard is effective for annual reporting periods beginning after December 15, 2018, including interim periods within that reporting period. The Company is currently evaluating the impact the standard will have on the consolidated financial statements and related disclosures. In March 2016, the FASB issued ASU 2016-09 to simplify several aspects of accounting for employee share-based payment transactions, including the accounting for income taxes, forfeitures, statutory tax withholding requirements, and classification in the statement of cash flows. The standard is effective for annual reporting periods beginning after December 15, 2016, including interim periods within that reporting period. The Company is currently evaluating the impact the standard will have on the consolidated financial statements and related disclosures. In June 2016, the FASB issued ASU 2016-13 which requires financial assets measured at amortized cost basis to be presented at the net amount expected to be collected. The measurement of expected credit losses will be based on historical experience, current conditions, and reasonable and supportable forecasts that impact the collectability of the reported amount. The standard is effective for annual reporting periods beginning after December 15, 2019, including interim periods within those fiscal years. The Company is currently evaluating the impact the standard will have on the consolidated financial statements and related disclosures. In August 2016, the FASB issued ASU 2016-15 which provides clarification on the classification of eight specific cash flow presentation issues that have developed out of diversity in practice. The issues include, but are not limited to, debt prepayment or extinguishment costs, cash receipts from payments on beneficial interests in securitization transactions, and proceeds from the settlement of insurance claims. The standard is effective for annual reporting periods beginning after December 15, 2017, including interim periods within those fiscal years. The Company is currently evaluating the impact the standard will have on the consolidated financial statements and related disclosures.
Receivables	Receivables are generally written off when they are 150 days past due or upon declaration of bankruptcy by the customer. The reserve for credit losses is calculated by an analytic model that also takes into account other factors, such as the actual charge-offs for the preceding reporting periods, expected charge-offs and recoveries for the subsequent reporting periods, a review of accounts receivable balances which become past due, changes in customer payment patterns, known fraudulent activity in the portfolio, as well as leading economic and market indicators.
Fair Value of Financial Instruments	Fair Value of Financial Instruments The carrying values of cash and cash equivalents, accounts receivable, accounts payable, accrued expenses, and other liabilities approximate their respective fair values due to the short-term nature of such instruments. The carrying values of certificates of deposit, interest-bearing money market deposits and borrowed federal funds approximate their respective fair values as the interest rates on these financial instruments are variable. All other financial instruments are reflected at fair value on the unaudited condensed consolidated balance sheets. The Company holds mortgage-backed securities, fixed income securities, derivatives (see Note 8, Derivative Instruments) and certain other financial instruments which are carried at fair value. The Company determines fair value based upon quoted prices when available or through the use of alternative approaches, such as model pricing, when market quotes are not readily accessible or available. In determining the fair value of the Company’s obligations, various factors are considered, including: closing exchange or over-the-counter market price quotations; time value and volatility factors underlying options and derivatives; price activity for equivalent instruments; and the Company’s own credit standing. These valuation techniques may be based upon observable and unobservable inputs. Observable inputs reflect market data obtained from independent sources, while unobservable inputs reflect the Company’s market assumptions. These two types of inputs create the following fair value hierarchy: • Level 1 – Quoted prices for identical instruments in active markets. • Level 2 – Quoted prices for similar instruments in active markets; quoted prices for identical or similar instruments in markets that are not active; and model-derived valuations whose inputs are observable or whose significant value drivers are observable. • Level 3 – Instruments whose significant value drivers are unobservable. Assets and liabilities measured at fair value are classified in their entirety based on the lowest level of input that is significant to the fair value measurement. Our assessment of the significance of a particular input to the fair value measurement in its entirety requires judgment and considers factors specific to the asset or liability. We did not have any transfers between Level 1 and Level 2 of the fair value hierarchy during the three or nine months ended September 30, 2016. Available-for-sale securities and executive deferred compensation plan trust When available, the Company uses quoted market prices to determine the fair value of available-for-sale securities; such items are classified in Level 1 of the fair-value hierarchy. These securities primarily consist of an open-ended mutual fund which is invested in fixed-income securities and is held in order to satisfy certain regulatory requirements of WEX Bank. For mortgage-backed and asset-backed debt securities and bonds, the Company generally uses quoted prices for recent trading activity of assets with similar characteristics to the debt security or bond being valued. The securities and bonds priced using such methods are generally classified as Level 2. The obligations related to the deferred compensation plan trust are classified as Level 1 in the fair value hierarchy because the fair value is determined using quoted prices for identical instruments in active markets. Foreign currency contracts Derivatives include foreign currency forward and swap contracts. The Company's foreign currency forward and swap contracts are valued using an income approach (Level 2) based on the spot rate less the contract rate multiplied by the notional amount. We consider counterparty credit risk in the valuation of the Company's derivatives. This credit risk did not have a material impact on the valuation of the Company's derivatives during 2016 and 2015. Fuel price derivative instruments The majority of fuel price derivative instruments entered into by the Company were executed over-the-counter and were valued using internal valuation techniques as no quoted market prices exist for such instruments. The valuation technique and inputs depend on the type of derivative and the nature of the underlying instrument. The principal technique used to value these instruments was a comparison of the spot price of the underlying instrument to its related futures curve adjusted for the Company’s assumptions of volatility and present value, where appropriate. The fair values of derivative contracts reflected the expected cash the Company would pay or receive upon settlement of the respective contracts. The key inputs depend upon the type of derivative and the nature of the underlying instrument and include interest rate yield curves, the spot price of the underlying instruments, volatility, and correlation. The item was placed in either Level 2 or Level 3 depending on the observability of the significant inputs to the model. Correlation and inputs with longer tenures are generally less observable. Fuel price derivative instruments – diesel. The assumptions used in the valuation of the diesel fuel price derivative instruments used both observable and unobservable inputs. There is a lack of price transparency with respect to forward prices for diesel fuel. Such unobservable inputs are significant to the diesel fuel derivative contract valuation methodology. After the first quarter of 2016, the Company no longer holds any fuel price derivatives.
Derivative Instruments	The Company is exposed to certain market risks relating to its ongoing business operations. Derivative instruments were utilized in prior years to manage the Company's commodity price risk. The Company entered into put and call option contracts related to the Company’s commodity price risk, which were based on the wholesale price of gasoline and the retail price of diesel fuel and settled on a monthly basis. These put and call option contracts, or fuel price derivative instruments, were designed to reduce the volatility of the Company’s cash flows associated with its fuel price-related earnings exposure in North America. The realized and unrealized gains or losses on the currency forward contracts and swaps are reported in earnings within the same unaudited condensed consolidated statement of income line as the impact of the foreign currency translation, net foreign currency gain (loss). Accounting guidance requires companies to recognize all derivative instruments as either assets or liabilities at fair value in the unaudited condensed consolidated balance sheet. The Company’s fuel price derivative instruments and foreign currency instruments do not qualify for hedge accounting treatment, and therefore, no such hedging designation has been made.
Earnings per Share	Basic earnings per share is computed by dividing net earnings attributable to shareholders by the weighted average number of shares of common stock and vested deferred stock units outstanding during the year. The computation of diluted earnings per share is similar to the computation of basic earnings per share, except that the denominator is increased for the assumed exercise of dilutive options and assumed issuance of unvested restricted stock units and deferred stock units and unvested performance-based restricted stock units for which the performance condition has been met as of the date of determination using the treasury stock method unless the effect is anti-dilutive. The treasury stock method assumes that proceeds, including cash received from the exercise of employee stock options, the total unrecognized compensation expense for unvested share-based compensation awards and the excess tax benefits resulting from share-based compensation tax deductions in excess of the related expense recognized for financial reporting purposes, would be used to purchase the Company's common stock at the average market price during the period.
Derivatives Not Designated as Hedging Instruments	For derivative instruments that are not designated as hedging instruments, the gain or loss on the derivative is recognized in current earnings.
Segment Information	Operating segments are defined as components of an enterprise about which separate financial information is available and is evaluated regularly by the chief operating decision maker in deciding how to allocate resources and assess performance. The Company’s chief operating decision maker is its Chief Executive Officer. The operating segments are aggregated into the three reportable segments described below. The Company’s chief operating decision maker evaluates the operating results of the Company’s operating and reportable segments based upon revenues and adjusted pre-tax income before NCI which adjusts income before income taxes to exclude certain items as noted below. The Fleet Solutions segment provides customers with payment and transaction processing services specifically designed for the needs of commercial and government fleets. This segment also provides information management services to these fleet customers. The Travel and Corporate Solutions segment focuses on the complex payment environment of business-to-business payments, providing customers with payment processing solutions for their corporate payment and transaction monitoring needs. The Health and Employee Benefit Solutions segment provides healthcare payment products and SaaS consumer directed platforms, as well as payroll related benefits to customers in Brazil. Prior to the fourth quarter of 2015, the Company reported its results of operations in two business segments, Fleet Payment Solutions and Other Payment Solutions. During the fourth quarter of 2015, the Company revised its internal and external reporting and reports its results of operations in three reportable segments. The Company has recast the prior year's segment information to conform to the current year presentation. During the third quarter of 2016, management continued to further refine our segment reporting, reclassifying certain revenues and expenses previously reported in our Health and Employee Benefit Solutions segment to our Fleet Solutions segment. The prior year amounts have been revised to reflect these adjustments, which were not deemed to be material to prior interim or annual periods, either individually or in the aggregate.

Basis of Presentation (Tables)

Basis of Presentation (Tables)	9 Months Ended
	Sep. 30, 2016
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Schedule of Glossary of Terms in Document	The following is provided to aid the reader and provide a reference point when reviewing the unaudited condensed consolidated financial statements. 2014 Amendment Agreement Amendment and restatement agreement entered into on August 22, 2014, among the Company, the lenders party thereto, and Bank of America, N.A., as administrative agent 2014 Credit Agreement Second amended and restated credit agreement entered into on August 22, 2014, by and among the Company and certain of our subsidiaries, as borrowers, WEX Card Holding Australia Pty Ltd., as designated borrower, and Bank of America, N.A., as administrative agent on behalf of consenting lenders 2016 Credit Agreement Credit agreement entered into on July 1, 2016 by and among the Company and certain of our subsidiaries, as borrowers, WEX Card Holding Australia Pty Ltd., as designated borrower, and Bank of America, N.A., as administrative agent on behalf of the lenders Adjusted Net Income or ANI A non-GAAP metric that adjusts net earnings attributable to shareholders to exclude acquisition and divestiture related items, debt restructuring and debt issuance cost amortization, stock-based compensation, restructuring and other costs related to certain outsourcing initiatives, changes in unrealized fuel price derivatives, net foreign currency remeasurement gains and losses, non-cash adjustments related to our tax receivable agreement, reserves for regulatory penalties, similar adjustments attributed to our non-controlling interest and certain tax related items. ASU 2014-09 Accounting Standards Update No. 2014-09 Revenue from Contracts with Customers (Topic 606) ASU 2015-03 Accounting Standards Update No. 2015-03 Interest—Imputation of Interest (Subtopic 835-30): Simplifying the Presentation of Debt Issuance Costs ASU 2015-16 Accounting Standards Update No. 2015-16 Business Combinations (Topic 805): Simplifying the Accounting for Measurement-Period Adjustments ASU 2016-01 Accounting Standards Update No. 2016-01 Financial Instruments - Overall (Subtopic 825-10): Recognition and Measurement of Financial Assets and Financial Liabilities ASU 2016-02 Accounting Standards Update No. 2016-02 Leases (Topic 842) ASU 2016-09 Accounting Standards Update No. 2016-09 Compensation-Stock Compensation (Topical 718): Improvements to Employee Share-Based Payment Accounting ASU 2016-13 Accounting Standards Update No. 2016-13 Financial Instruments-Credit Losses (Topic 326): Measurement of Credit Losses on Financial Instruments ASU 2016-15 Accounting Standards Update No. 2016-15 Statement of Cash Flows (Topic 230): Classification of Certain Cash Receipts and Cash Payments Australian Securitization Subsidiary Southern Cross WEX 2015-1 Trust, a bankruptcy-remote subsidiary consolidated by the Company Average expenditure per payment processing transaction Average total dollars of spend in a funded fuel transaction Benaissance Benaissance, a leading provider of integrated SaaS technologies and services for healthcare premium billing, payment and workflow management, acquired by the Company on November 18, 2015 Company WEX Inc. and all entities included in the unaudited condensed consolidated financial statements EFS Electronic Funds Source, LLC, a provider of customized corporate payment solutions for fleet and corporate customers with a focus on the large and mid-sized over-the-road fleet segments. On July 1, 2016, the Company acquired WP Mustang Topco LLC, the indirect parent of Electronic Funds Source, LLC and Warburg Pincus Private Equity XI (Lexington), LLC, an affiliated entity, from investment funds affiliated with Warburg Pincus LLC. Esso portfolio in Europe European commercial fleet card portfolio acquired from ExxonMobil European Securitization Subsidiary Gorham Trade Finance B.V., a bankruptcy-remote subsidiary consolidated by the Company Evolution1 EB Holdings Corp. and its subsidiaries which includes Evolution1, Inc., acquired by the Company on July 16, 2014 FASB Financial Accounting Standards Board FX Foreign exchange GAAP Generally Accepted Accounting Principles in the United States Indenture The Notes were issued pursuant to an indenture dated as of January 30, 2013 among the Company, the guarantors listed therein, and The Bank of New York Mellon Trust Company, N.A., as trustee NCI Non-controlling interest NOL Net operating loss Notes $400 million notes with a 4.75% fixed rate, issued on January 30, 2013 NOW deposits Negotiable order of withdrawal deposits Over-the-road Typically heavy trucks traveling long distances Payment solutions purchase volume Total amount paid by customers for transactions Payment processing transactions Funded payment transactions where the Company maintains the receivable for total purchase PPG Price per gallon of fuel rapid! PayCard rapid! PayCard, previously a line of business of the Company, sold on January 7, 2015 SaaS Software-as-a-service SEC Securities and Exchange Commission Ticking fees A fee incurred by a borrower to compensate the lender to delay a financing arrangement and hold a commitment of funds for the borrower for a period of time Total fleet transactions Total of transaction processing and payment processing transactions Transaction processing transactions Unfunded payment transactions where the Company is the processor and only has receivables for the processing fee UNIK UNIK S.A., the Company's Brazilian subsidiary WEX WEX Inc. WEX Europe Services Consists primarily of our European commercial fleet card portfolio acquired by the Company from ExxonMobil on December 1, 2014 WEX Health Evolution1 and Benaissance, collectively
Schedule of Error Corrections and Prior Period Adjustments	As a result of the adoption, the December 31, 2015 unaudited condensed consolidated balance sheet is restated as follows: Previously Reported Effect of Accounting Principle Adoption Adjusted Unaudited condensed consolidated balance sheet Other assets $ 225,581 $ (10,037 ) $ 215,544 Total assets $ 3,857,946 $ (10,037 ) $ 3,847,909 Revolving line-of-credit facilities and term loan, net $ 669,755 $ (4,837 ) $ 664,918 Notes outstanding, net $ 400,000 $ (5,200 ) $ 394,800 Total liabilities $ 2,762,265 $ (10,037 ) $ 2,752,228 Total liabilities and stockholders’ equity $ 3,857,946 $ (10,037 ) $ 3,847,909

Business Acquisitions (Tables)

Business Acquisitions (Tables)	9 Months Ended
	Sep. 30, 2016
Business Acquisition [Line Items]
Schedule of Business Acquisitions, by Acquisition	The following represents the preliminary allocation of the purchase price by the assets and liabilities acquired and goodwill recognized in this business combination: Consideration paid, net of cash acquired 1,444,235 Less: Accounts receivable 164,459 Property and equipment, net 8,249 Customer relationships (a)(b) 832,400 Developed technologies (a)(c) 31,100 Trade name (a)(d) 14,600 Deferred income tax assets 34,571 Accounts payable (153,777 ) Accrued expenses (128,281 ) Deferred income tax liabilities (78,119 ) Other assets and liabilities 54 Recorded goodwill (a) $ 718,979 (a) Approximately $1,356,350 in goodwill and other intangible assets recorded from this business combination were assigned to our Fleet Solutions segment, the remaining $293,729 was assigned to our Travel and Corporate Solutions segment. (b) Weighted average life – 8.7 years . (c) Weighted average life – 2.3 years . (d) Weighted average life – 3.3 years .
Estimated Amortization Expense Related to Definite Lived Intangible Assets	At September 30, 2016, estimated amortization expense related to the definite-lived intangible assets listed above for each of the next five fiscal years is as follows: Remaining 2016 $ 15,591 2017 $ 76,241 2018 $ 75,155 2019 $ 69,522 2020 $ 64,786 2021 $ 57,951 Thereafter $ 503,264 The following table presents the estimated amortization expense related to the definite-lived intangible assets listed above for the remainder of 2016 and for each of the five succeeding fiscal years: Remaining 2016 $ 33,420 2017 $ 135,637 2018 $ 119,493 2019 $ 110,611 2020 $ 102,706 2021 $ 92,099
Business Acquisition, Pro Forma Information	The following represents unaudited pro forma operational results as if EFS has been included in the Company's unaudited condensed consolidated statements of operations as of the beginning of the fiscal periods ended: Three months ended September 30, Nine months ended September 30, 2016 2015 2016 2015 Total revenues $ 287,755 261,361 $ 796,514 748,186 Net earnings attributable to shareholders $ 30,357 20,592 $ 38,670 47,852 Pro forma net income attributable to shareholders per common share: Net income per share - basic $ 0.71 $ 0.53 $ 0.96 $ 1.23 Net income per share - diluted $ 0.71 $ 0.53 $ 0.96 $ 1.23
Benaissance Acquisition
Business Acquisition [Line Items]
Schedule of Business Acquisitions, by Acquisition	The following is a summary of the final allocation of the purchase price to the assets and liabilities acquired: Consideration paid (net of cash acquired) $ 80,677 Less: Accounts receivable 1,594 Other tangible assets and liabilities, net 314 Acquired software and developed technology(a) 10,300 Customer relationships(b) 27,700 Trade name(c) 1,500 Recorded goodwill $ 39,269 (a) Weighted average life – 5.0 years . (b) Weighted average life – 7.6 years . (c) Weighted average life – 8.1 years .

Reserves for Credit Losses (Tab

Reserves for Credit Losses (Tables)	9 Months Ended
	Sep. 30, 2016
Receivables [Abstract]
Changes in Reserves for Credit Losses Related to Accounts Receivable	The following table presents changes in reserves for credit losses related to accounts receivable: Nine months ended September 30, 2016 2015 Balance, beginning of period $ 13,832 $ 13,919 Provision for credit losses 19,849 14,532 Charge-offs (24,825 ) (20,667 ) Recoveries of amounts previously charged-off 4,980 3,965 Currency translation 151 (214 ) Balance, end of period $ 13,987 $ 11,535

Goodwill and Other Intangible32

Goodwill and Other Intangible Assets (Tables)	9 Months Ended
	Sep. 30, 2016
Goodwill and Intangible Assets Disclosure [Abstract]
Changes in Goodwill	The changes in goodwill during the first nine months of 2016 were as follows: Fleet Solutions Segment Travel and Corporate Solutions Segment Health and Employee Benefit Solutions Segment Total Gross goodwill, January 1, 2016 $ 735,770 $ 38,134 $ 350,321 $ 1,124,225 Acquisition of EFS 602,423 116,556 — 718,979 Acquisition adjustments — — 502 502 Impact of foreign currency translation 8,617 (1,739 ) 2,949 9,827 Gross goodwill, September 30, 2016 1,346,810 152,951 353,772 1,853,533 Accumulated impairment, January 1, 2016 (867 ) (10,480 ) — (11,347 ) Impact of foreign currency translation (40 ) (483 ) — (523 ) Accumulated impairment, September 30, 2016 $ (907 ) $ (10,963 ) $ — $ (11,870 ) Net goodwill, January 1, 2016 $ 734,903 $ 27,654 $ 350,321 $ 1,112,878 Net goodwill, September 30, 2016 $ 1,345,903 $ 141,988 $ 353,772 $ 1,841,663
Changes in Other Intangible Assets	The changes in other intangible assets during the first nine months of 2016 were as follows: Net Acquisitions Amortization Transfers 1 Impact of foreign currency translation Net Carrying Definite-lived intangible assets Acquired software and developed technology $ 114,012 $ 31,100 $ (16,516 ) $ — $ 348 $ 128,944 Customer relationships 297,904 832,400 (36,520 ) — 2,287 1,096,071 Licensing agreements 27,398 — (3,823 ) — 764 24,339 Patent 878 — (113 ) — (14 ) 751 Trademarks and trade names 13,144 14,600 (2,094 ) 11,000 (204 ) 36,446 Indefinite-lived intangible assets Trademarks and trade names 17,376 — — (11,000 ) 197 6,573 Total $ 470,712 $ 878,100 $ (59,066 ) $ — $ 3,378 $ 1,293,124 1 During the third quarter of 2016, management reevaluated a trade name assigned to the Health and Employee Benefits Solutions segment, which was previously believed to have an indefinite life. As result, it was determined it is now probable that the trade name will not be renewed upon its 2024 expiration date. As such, this intangible asset will be amortized over its seven-year remaining estimated useful life.
Estimated Amortization Expense Related to Definite Lived Intangible Assets	At September 30, 2016, estimated amortization expense related to the definite-lived intangible assets listed above for each of the next five fiscal years is as follows: Remaining 2016 $ 15,591 2017 $ 76,241 2018 $ 75,155 2019 $ 69,522 2020 $ 64,786 2021 $ 57,951 Thereafter $ 503,264 The following table presents the estimated amortization expense related to the definite-lived intangible assets listed above for the remainder of 2016 and for each of the five succeeding fiscal years: Remaining 2016 $ 33,420 2017 $ 135,637 2018 $ 119,493 2019 $ 110,611 2020 $ 102,706 2021 $ 92,099
Other Intangible Assets	Other intangible assets, net consist of the following: September 30, 2016 December 31, 2015 Gross Carrying Amount Accumulated Amortization Net Carrying Amount Gross Carrying Amount Accumulated Amortization Net Carrying Amount Definite-lived intangible assets Acquired software and developed technology $ 185,487 $ (56,543 ) $ 128,944 $ 155,182 $ (41,170 ) $ 114,012 Customer relationships 1,227,953 (131,882 ) 1,096,071 403,382 (105,478 ) 297,904 Licensing agreements 32,793 (8,454 ) 24,339 31,903 (4,505 ) 27,398 Patent 2,524 (1,773 ) 751 2,413 (1,535 ) 878 Trademarks and trade names 41,696 (5,250 ) 36,446 16,410 (3,266 ) 13,144 $ 1,490,453 $ (203,902 ) 1,286,551 $ 609,290 $ (155,954 ) 453,336 Indefinite-lived intangible assets Trademarks and trade names 6,573 17,376 Total $ 1,293,124 $ 470,712

Earnings per Share (Tables)

Earnings per Share (Tables)	9 Months Ended
	Sep. 30, 2016
Earnings Per Share [Abstract]
Reconciliation of Income and Share Data Used in Basic and Diluted Earnings Per Share Computations	The following is a reconciliation of the income and share data used in the basic and diluted earnings per share computations for the three and nine months ended September 30, 2016 and 2015 : Three months ended Nine months ended 2016 2015 2016 2015 Net earnings attributable to shareholders – Basic and Diluted $ 19,696 $ 32,166 $ 55,350 $ 81,003 Weighted average common shares outstanding – Basic 42,788 38,745 40,126 38,780 Dilutive impact of share based compensation awards 83 63 73 72 Weighted average common shares outstanding – Diluted 42,871 38,808 40,199 38,852

Derivative Instruments (Tables)

Derivative Instruments (Tables)	9 Months Ended
	Sep. 30, 2016
Derivative Instruments and Hedging Activities Disclosure [Abstract]
Schedule of Notional Amounts of Outstanding Derivative Positions	As of September 30, 2016, the Company had the following foreign currency swap outstanding, which is not designated as a hedging contract and settles in U.S. dollars during the fourth quarter of 2016: Aggregate Notional Amount Australian dollar A$ 10,000 The notional amounts, fixed and variable interest rates and maturities of the swap agreements are as follows: Tranche A Tranche B Tranche C Notional amount (USD) 400,000 150,000 250,000 Amortization 5% annually N/A N/A Maturity date 12/31/2020 12/31/2020 12/31/2018 Fixed interest rate 1.108% 1.125% 0.896%
Location and Amounts of Derivative Gains and Losses in Condensed Consolidated Statements of Income	The following table presents information on the location and amounts of derivative gains and losses in the unaudited condensed consolidated statements of income: Amount of Gain or Derivatives Not Designated as Hedging Instruments Location of Gain or (Loss) Recognized in Three months ended September 30, Nine months ended Income on Derivative 2016 2015 2016 2015 Commodity contracts Net realized and unrealized (loss) gain on fuel price derivatives $ — $ 7,922 $ 711 $ 4,671 Foreign currency contracts Net foreign currency gain (loss) $ 1 $ (100 ) $ 40 $ 21,867
Location and Amounts of Derivative Fair Values in Condensed Consolidated Balance Sheets	Amount of Gain or Derivatives Not Designated as Hedging Instruments Location of Gain or (Loss) Recognized in Three months ended September 30, Nine months ended Income on Derivative 2016 2015 2016 2015 Commodity contracts Net realized and unrealized (loss) gain on fuel price derivatives $ — $ 7,922 $ 711 $ 4,671 Foreign currency contracts Net foreign currency gain (loss) $ 1 $ (100 ) $ 40 $ 21,867 The following table presents information on the location and amounts of derivative fair values in the unaudited condensed consolidated balance sheets:

Financing and Other Debt (Table

Financing and Other Debt (Tables)	9 Months Ended
	Sep. 30, 2016
Debt Disclosure [Abstract]
Schedule of Debt Issuance Costs	The following table presents the Company's net debt issuance costs related to its revolving line-of-credit facilities, term loan and notes outstanding: September 30, 2016 December 31, 2015 Revolving line of credit facilities and term loan $ 40,147 $ 4,837 Notes outstanding $ 4,649 $ 5,200

Fair Value (Tables)

Fair Value (Tables)	9 Months Ended
	Sep. 30, 2016
Fair Value Disclosures [Abstract]
Assets and Liabilities Measured at Fair Value	The following table presents the Company’s assets and liabilities that are measured at fair value and the related hierarchy levels as of December 31, 2015 : Fair Value Measurements at Reporting Date Using December 31, 2015 Quoted Prices Significant Significant Assets: Mortgage-backed securities $ 650 $ — $ 650 $ — Asset-backed securities 848 — 848 — Municipal bonds 398 — 398 — Fixed-income mutual fund 16,666 16,666 — — Total available-for-sale securities $ 18,562 $ 16,666 $ 1,896 $ — Executive deferred compensation plan trust (a) $ 5,655 $ 5,655 $ — $ — Fuel price derivatives – unleaded fuel (b) $ 3,083 $ — $ 3,083 $ — Fuel price derivatives – diesel (b) 1,924 — — 1,924 Total fuel price derivatives $ 5,007 $ — $ 3,083 $ 1,924 Liabilities: Foreign currency swaps (c) $ 90 $ — $ 90 $ — (a) The fair value of these instruments is recorded in Other assets. (b) The balance sheet presentation combines unleaded fuel and diesel fuel positions. (c) The fair value of these instruments is recorded in Accounts payable. The following table presents the Company’s assets that are measured at fair value and the related hierarchy levels as of September 30, 2016 : Fair Value Measurements at Reporting Date Using September 30, 2016 Quoted Prices Significant Significant Assets: Mortgage-backed securities $ 499 $ — $ 499 $ — Asset-backed securities 688 — 688 — Municipal bonds 708 — 708 — Fixed-income mutual fund 22,265 22,265 — — Total available-for-sale securities $ 24,160 $ 22,265 $ 1,895 $ — Executive deferred compensation plan trust (a) $ 5,716 $ 5,716 $ — $ — Liabilities: Foreign currency swaps (b) $ 9 $ — $ 9 $ — (a) The fair value of these instruments is recorded in Other assets. (b) The fair value of these instruments is recorded in Accounts payable.
Reconciliation of Beginning and Ending Balances for Assets and Liabilities Measured at Fair Value on Recurring Basis Using Significant Unobservable Inputs	The following table presents a reconciliation of the beginning and ending balances for fuel-price derivative assets measured at fair value on a recurring basis using significant unobservable inputs (Level 3) during the nine months ended: September 30, 2016 September 30, 2015 Fuel Price Fuel Price Beginning balance, January 1, 2016 and 2015, respectively $ 1,924 $ 11,848 Total (losses) and gains – realized/unrealized Included in earnings (a) (1,924 ) (7,403 ) Included in other comprehensive income — — Purchases, issuances and settlements — — Transfers (in)/out of Level 3 — — Ending balance September 30, 2016 and 2015, respectively $ — $ 4,445 (a) Gains and losses for the nine months ended September 30, 2016 and 2015 are reported in net realized and unrealized losses on fuel price derivatives on the unaudited condensed consolidated statements of income. The following table presents a reconciliation of the beginning and ending balances for fuel-price derivative assets measured at fair value on a recurring basis using significant unobservable inputs (Level 3) during the three months ended September 30, 2015: Fuel Price Beginning balance, July 1 2015 $ 6,078 Total gains and (losses) – realized/unrealized Included in earnings (a) (1,633 ) Included in other comprehensive income — Purchases, issuances and settlements — Transfers (in)/out of Level 3 — Ending balance, September 30 2015 $ 4,445 (a) Gains and losses for the three months ended September 30, 2015 are reported in net realized and unrealized losses on fuel price derivatives on the unaudited condensed consolidated statements of income.

Accumulated Other Comprehensi37

Accumulated Other Comprehensive Income (Loss) (Tables)	9 Months Ended
	Sep. 30, 2016
Equity [Abstract]
Reconciliation of Accumulated Other Comprehensive Income	A reconciliation of accumulated other comprehensive income (loss) for the three month periods ended September 30, 2016 and 2015 , is as follows: 2016 2015 Unrealized Gains and Losses on Available- for-Sale Securities Foreign Currency Items Unrealized Gains and Losses on Available- for-Sale Securities Foreign Currency Items Beginning balance $ 59 $ (104,079 ) $ (178 ) $ (67,344 ) Other comprehensive income (loss) (62 ) 1,549 99 (32,490 ) Purchase of redeemable non-controlling interest — — — (9,108 ) Ending balance $ (3 ) $ (102,530 ) $ (79 ) $ (108,942 ) A reconciliation of accumulated other comprehensive income (loss) for the nine month periods ended September 30, 2016 and 2015 , is as follows: 2016 2015 Unrealized Gains and Losses on Available- for-Sale Securities Foreign Currency Items Unrealized Gains and Losses on Available- for-Sale Securities Foreign Currency Items Beginning balance $ (212 ) $ (103,239 ) $ (129 ) $ (50,452 ) Other comprehensive income (loss) 209 709 50 (49,382 ) Purchase of redeemable non-controlling interest — — — (9,108 ) Ending balance $ (3 ) $ (102,530 ) $ (79 ) $ (108,942 )

Non-controlling Interests (Tabl

Non-controlling Interests (Tables)	9 Months Ended
	Sep. 30, 2016
Noncontrolling Interest [Abstract]
Redeemable Noncontrolling Interest	A reconciliation of redeemable non-controlling interest for the three and nine month periods ended September 30, 2015 , is as follows: Three months ended Nine months ended September 30, 2015 Balance, beginning of period $ 14,992 $ 16,590 Net gain attributable to redeemable non-controlling interest 531 1,190 Currency translation adjustment (1,953 ) (4,210 ) Adjustment to redemption value 9,413 9,413 Excess purchase amount over redemption value 23,035 23,035 Purchase of non-controlling interest (46,018 ) (46,018 ) Ending balance $ — $ —
Summary of Noncontrolling Interests	A reconciliation of non-controlling interest for the three and nine month periods ended September 30, 2016 and September 30, 2015 is as follows: Three months ended Nine months ended September 30, 2016 2015 2016 2015 Balance, beginning of period $ 12,052 $ 13,165 $ 12,437 $ 17,396 Net loss attributable to non-controlling interest (493 ) (328 ) (1,013 ) (3,391 ) Currency translation adjustment 55 (505 ) 190 (1,673 ) Ending balance $ 11,614 $ 12,332 $ 11,614 $ 12,332

Restructuring (Tables)

Restructuring (Tables)	9 Months Ended
	Sep. 30, 2016
Restructuring and Related Activities [Abstract]
Restructuring and Related Costs	The following table presents the Company's 2015 Restructuring Initiative liability for the three and nine months ended September 30, 2016 and 2015: Three Months Ended September 30, Nine Months Ended September 30, 2016 2015 2016 2015 Beginning balance $ 7,085 $ 8,822 $ 7,249 $ — Restructuring charges 446 — 2,035 8,559 Reserve release — (45 ) — (45 ) Cash paid (638 ) — (2,763 ) — Impact of foreign currency translation 701 (304 ) 1,073 (41 ) Ending balance $ 7,594 $ 8,473 $ 7,594 $ 8,473 The following table presents the Company’s 2016 Restructuring Initiative liability for the three and nine months ended September 30, 2016 : Three Months Ended September 30, 2016 Nine Months Ended September 30, 2016 Beginning balance $ 3,488 $ — Restructuring charges — 3,506 Cash paid (4 ) (4 ) Impact of foreign currency translation 264 246 Ending balance $ 3,748 $ 3,748 The following table presents the Company’s Acquisition Integration Restructuring Initiative liability for the three and nine months ended September 30, 2016 : Three Months Ended September 30, 2016 Nine Months Ended September 30, 2016 Beginning balance $ — $ — Restructuring charges 2,085 2,085 Cash paid (421 ) (421 ) Impact of foreign currency translation — — Ending balance $ 1,664 $ 1,664 The following table presents the Company's total restructuring liability for the three and nine months ended September 30, 2016 and 2015 : Three Months Ended September 30, 2016 Nine Months Ended September 30, 2016 2016 2015 2016 2015 Beginning balance $ 10,573 $ 8,822 $ 7,249 $ — Restructuring charges 2,531 — 7,626 8,559 Reserve release — (45 ) — (45 ) Cash paid (1,063 ) — (3,188 ) — Impact of foreign currency translation 965 (304 ) 1,319 (41 ) Ending balance $ 13,006 $ 8,473 $ 13,006 $ 8,473

Segment Information (Tables)

Segment Information (Tables)	9 Months Ended
	Sep. 30, 2016
Segment Reporting [Abstract]
Interest Income	The following table presents the Company's interest income by segment: Three Months Ended September 30, Nine Months Ended September 30, 2016 2015 2016 2015 Fleet Solutions $ 961 $ 142 $ 2,547 $ 966 Travel and Corporate Solutions 143 91 330 245 Health and Employee Benefit Solutions 2,794 1,606 6,176 4,010 Total interest income $ 3,898 $ 1,839 $ 9,053 $ 5,221
Reportable Segment Results	The following tables present the Company’s reportable segment results on an adjusted pre-tax net income before NCI basis for the three and nine months ended September 30, 2016 and 2015 : Three Months Ended September 30, Nine Months Ended September 30, 2016 2015 2016 2015 Fleet Solutions revenue Payment processing revenue $ 83,132 $ 80,230 $ 216,133 $ 233,300 Account servicing revenue 37,414 26,024 90,400 75,267 Finance fee revenue 33,230 21,794 85,841 59,858 Other revenue 30,982 14,789 57,417 43,345 Total Fleet Solutions revenue $ 184,758 $ 142,837 $ 449,791 $ 411,770 Total Fleet Solutions operating interest expense $ 1,066 $ 405 $ 1,867 $ 1,566 Total Fleet Solutions depreciation and amortization $ 35,172 $ 13,266 $ 62,927 $ 41,877 Total Fleet Solutions adjusted pre-tax income before NCI $ 49,718 $ 55,902 $ 121,096 $ 153,725 Three Months Ended September 30, Nine Months Ended September 30, 2016 2015 2016 2015 Travel and Corporate Solutions revenue Payment processing revenue $ 52,551 $ 44,387 $ 130,372 $ 114,586 Account servicing revenue 242 449 852 1,329 Finance fee revenue 115 104 336 233 Other revenue 10,407 11,542 30,235 31,621 Total Travel and Corporate Solutions revenue $ 63,315 $ 56,482 $ 161,795 $ 147,769 Total Travel and Corporate Solutions operating interest expense $ 840 $ 488 $ 2,003 $ 754 Total Travel and Corporate Solutions depreciation and amortization $ 1,630 $ 1,336 $ 3,007 $ 2,251 Total Travel and Corporate Solutions adjusted pre-tax income before NCI $ 31,449 $ 26,991 $ 74,797 $ 68,076 Three Months Ended September 30, Nine Months Ended September 30, 2016 2015 2016 2015 Health and Employee Benefit Solutions revenue Payment processing revenue $ 10,499 $ 8,581 $ 36,814 $ 30,828 Account servicing revenue 21,159 13,105 59,518 38,404 Finance fee revenue 2,793 1,604 6,171 4,003 Other revenue 5,232 3,448 13,532 9,221 Total Health and Employee Benefit Solutions revenue $ 39,683 $ 26,738 $ 116,035 $ 82,456 Total Health and Employee Benefit Solutions operating interest expense $ 693 $ 590 $ 1,620 $ 2,099 Total Health and Employee Benefit Solutions depreciation and amortization $ 9,206 $ 6,176 $ 25,447 $ 18,796 Total Health and Employee Benefit Solutions adjusted pre-tax income before NCI $ 3,364 $ 2,633 $ 15,571 $ 12,144
Reconciliation of Adjusted Net Income to Net Income	The following table reconciles income before income taxes to adjusted pre-tax income before NCI: Three Months Ended September 30, Nine Months Ended September 30, 2016 2015 2016 2015 Income before income taxes $ 25,268 $ 72,496 $ 78,067 $ 149,862 Acquisition and divestiture related items 46,955 11,888 108,805 34,843 Debt restructuring and debt issuance cost amortization 9,106 778 10,649 2,319 Stock-based compensation 5,199 3,067 14,312 10,227 Restructuring and other costs 3,767 (45 ) 11,689 8,514 Changes in unrealized fuel price derivatives — 3,251 5,007 27,552 Net foreign currency remeasurement (gains) losses (5,932 ) (6,525 ) (17,233 ) 12 Non-cash adjustments related to tax receivable agreement 168 (1,634 ) 168 (1,634 ) Regulatory reserve — 2,250 — 2,250 Adjusted pre-tax income before NCI $ 84,531 $ 85,526 $ 211,464 $ 233,945

Supplementary Regulatory Capi41

Supplementary Regulatory Capital Disclosure (Tables)	9 Months Ended
	Sep. 30, 2016
Debt Disclosure [Abstract]
Schedule of Compliance with Regulatory Capital Requirements under Banking Regulations	WEX Bank’s actual and regulatory minimum capital amounts and ratios as of September 30, 2016 are presented in the following table: Actual Amount Ratio Minimum for Capital Adequacy Purposes Amount Ratio Minimum to Be Well Capitalized Under Prompt Corrective Action Provisions Amount Ratio Total Capital to risk-weighted assets $ 245,245 14.30 % $ 137,200 8.00 % $ 171,500 10.00 % Tier 1 Capital to average assets 236,458 12.12 % 78,039 4.00 % 97,549 5.00 % Common equity to risk-weighted assets 236,458 13.79 % 77,162 4.50 % 111,456 6.50 % Tier 1 Capital to risk-weighted assets 236,458 13.79 % 102,882 6.00 % 137,177 8.00 % WEX Bank's actual and regulatory minimum capital amounts and ratios as of December 31, 2015 are presented in the following table: Actual Amount Ratio Minimum for Capital Adequacy Purposes Amount Ratio Minimum to Be Well Capitalized Under Prompt Corrective Action Provisions Amount Ratio Total Capital to risk-weighted assets $ 202,294 15.50 % $ 104,437 8.00 % $ 130,547 10.00 % Tier 1 Capital to average assets 193,337 11.23 % 68,865 4.00 % 86,082 5.00 % Common equity to risk-weighted assets 193,337 14.81 % 58,746 4.50 % 84,855 6.50 % Tier 1 Capital to risk-weighted assets 193,337 14.81 % 78,328 6.00 % 104,437 8.00 %

Subsequent Events (Tables)

Subsequent Events (Tables)	9 Months Ended
	Sep. 30, 2016
Subsequent Events [Abstract]
Schedule of Notional Amounts of Outstanding Derivative Positions	As of September 30, 2016, the Company had the following foreign currency swap outstanding, which is not designated as a hedging contract and settles in U.S. dollars during the fourth quarter of 2016: Aggregate Notional Amount Australian dollar A$ 10,000 The notional amounts, fixed and variable interest rates and maturities of the swap agreements are as follows: Tranche A Tranche B Tranche C Notional amount (USD) 400,000 150,000 250,000 Amortization 5% annually N/A N/A Maturity date 12/31/2020 12/31/2020 12/31/2018 Fixed interest rate 1.108% 1.125% 0.896%

Basis of Presentation (Details)

Basis of Presentation (Details) - USD ($)	Sep. 30, 2016	Dec. 31, 2015	Jan. 30, 2013
Unaudited condensed consolidated balance sheet
Other assets	$ 270,142,000	$ 215,544,000
Total assets	6,333,690,000	3,847,909,000
Revolving line-of-credit facilities and term loans, net	1,702,265,000	664,918,000
Notes outstanding, net	395,351,000	394,800,000
Total liabilities	4,815,485,000	2,752,228,000
Total liabilities and stockholders’ equity	$ 6,333,690,000	3,847,909,000
Previously Reported
Unaudited condensed consolidated balance sheet
Other assets		225,581,000
Total assets		3,857,946,000
Revolving line-of-credit facilities and term loans, net		669,755,000
Notes outstanding, net		400,000,000
Total liabilities		2,762,265,000
Total liabilities and stockholders’ equity		3,857,946,000
Effect of Accounting Principle Adoption
Unaudited condensed consolidated balance sheet
Other assets		(10,037,000)
Total assets		(10,037,000)
Revolving line-of-credit facilities and term loans, net		(4,837,000)
Notes outstanding, net		(5,200,000)
Total liabilities		(10,037,000)
Total liabilities and stockholders’ equity		$ (10,037,000)
Senior Notes
Error Corrections and Prior Period Adjustments Restatement [Line Items]
Debt instrument, aggregate principal amount			$ 400,000,000
Interest rate, stated percentage			4.75%

Business Acquisitions - Summary

Business Acquisitions - Summary of EFS Aquisition (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	Jul. 01, 2016	Sep. 30, 2016	Sep. 30, 2015	Sep. 30, 2016	Sep. 30, 2015	Dec. 31, 2015
Business Acquisition [Line Items]
Consideration transferred, shares, amount				$ 354,953	$ 0
Allocation of the purchase price by the assets and liabilities acquired
Recorded goodwill		$ 1,841,663		1,841,663		$ 1,112,878
Estimated amortization expense related to the definite-lived intangible assets
Remaining 2,016		33,420		33,420
2,017		135,637		135,637
2,018		119,493		119,493
2,019		110,611		110,611
2,020		102,706		102,706
2,021		92,099		92,099
Fleet Solutions Segment
Allocation of the purchase price by the assets and liabilities acquired
Recorded goodwill		1,345,903		1,345,903		$ 734,903
Electronic Funds Source LLC
Business Acquisition [Line Items]
Consideration transferred, shares (in shares)	4,012
Consideration transferred, shares, amount	$ 355,000
Payments to acquire businesses	$ 1,182,000
Percent of ownership interest acquired	9.40%
Consideration transferred	$ 1,444,000
Cash acquired in acquisition	93,000
Goodwill, expected tax deductible amount		530,000		530,000
Allocation of the purchase price by the assets and liabilities acquired
Consideration paid, net of cash acquired	1,444,235
Accounts receivable	164,459
Property and equipment, net	8,249
Deferred income tax assets	34,571
Accounts payable	(153,777)
Accrued expenses	(128,281)
Deferred income tax liabilities	(78,119)
Other assets and liabilities	54
Recorded goodwill	718,979
Estimated amortization expense related to the definite-lived intangible assets
Remaining 2,016		15,591		15,591
2,017		76,241		76,241
2,018		75,155		75,155
2,019		69,522		69,522
2,020		64,786		64,786
2,021		57,951		57,951
Thereafter		503,264		503,264
Unaudited pro forma operational results
Total revenues		287,755	$ 261,361	796,514	748,186
Net earnings attributable to shareholders		$ 30,357	$ 20,592	$ 38,670	$ 47,852
Net income per share - basic (in dollars per share)		$ 0.71	$ 0.53	$ 0.96	$ 1.23
Net income per share - diluted (in dollars per share)		$ 0.71	$ 0.53	$ 0.96	$ 1.23
Electronic Funds Source LLC | Customer relationships
Allocation of the purchase price by the assets and liabilities acquired
Intangible assets	$ 832,400
Weighted average life	8 years 8 months 12 days
Electronic Funds Source LLC | Developed technologies
Allocation of the purchase price by the assets and liabilities acquired
Intangible assets	$ 31,100
Weighted average life	2 years 3 months 18 days
Electronic Funds Source LLC | Trade name
Allocation of the purchase price by the assets and liabilities acquired
Intangible assets	$ 14,600
Weighted average life	3 years 3 months 19 days
Electronic Funds Source LLC | Fleet Solutions Segment
Allocation of the purchase price by the assets and liabilities acquired
Recorded goodwill	$ 1,356,350
Estimated amortization expense related to the definite-lived intangible assets
Total revenues		$ 35,017
Pre-tax adjusted net income		1,511
Electronic Funds Source LLC | Travel and corporate solutions
Allocation of the purchase price by the assets and liabilities acquired
Recorded goodwill	$ 293,729
Estimated amortization expense related to the definite-lived intangible assets
Total revenues		5,012
Pre-tax adjusted net income		$ 1,993

Business Acquisitions - Summar

Business Acquisitions - Summary of Benaissance Acquisition (Details) - USD ($) $ in Thousands	Nov. 18, 2015	Mar. 31, 2016	Sep. 30, 2016	Sep. 30, 2015	Dec. 31, 2015
Business Acquisition [Line Items]
Consideration paid (net of cash acquired)			$ 1,089,280	$ 0
Less:
Recorded goodwill			$ 1,841,663		$ 1,112,878
Benaissance Acquisition
Business Acquisition [Line Items]
Consideration paid (net of cash acquired)	$ 80,677
Less:
Accounts receivable	1,594
Other tangible assets and liabilities, net	314
Recorded goodwill	39,269
Adjustments, tangible assets		$ 502
Increase (decrease) in goodwill		$ 502
Benaissance Acquisition | Acquired software and developed technology
Less:
Finite-lived intangible assets	$ 10,300
Weighted average life	5 years
Benaissance Acquisition | Customer relationships
Less:
Finite-lived intangible assets	$ 27,700
Weighted average life	7 years 7 months 6 days
Benaissance Acquisition | Trade name
Less:
Finite-lived intangible assets	$ 1,500
Weighted average life	8 years 1 month 6 days

Sale of Subsidiary and Assets -

Sale of Subsidiary and Assets - Additional Information (Details) - USD ($) $ in Thousands	Jan. 07, 2015	Sep. 30, 2016	Sep. 30, 2015	Sep. 30, 2016	Sep. 30, 2015
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Net foreign currency remeasurement gain/loss		$ 0	$ 0	$ 0	$ 1,215
Rapid! Paycard
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Proceeds from sale of subsidiary	$ 20,000
Net foreign currency remeasurement gain/loss	$ 1,215

Reserves for Credit Losses - Ad

Reserves for Credit Losses - Additional Information (Details) $ in Thousands	9 Months Ended	12 Months Ended
	Sep. 30, 2016USD ($)customer	Dec. 31, 2015USD ($)customer	Sep. 30, 2015
Concentration Risk [Line Items]
Trade receivable payments terms (30 days or less)	30 days
Threshold period past due for write-off of trade accounts receivable	150 days
Percentage of trade receivables outstanding balance, current	93.00%		90.00%
Percentage of trade accounts receivables less than 60 days past due	97.00%		98.00%
Customer Concentration Risk | Accounts Receivable
Concentration Risk [Line Items]
Concentration risk, number of customers | customer	0	1
Concentration risk, percentage	8.00%	11.00%
Revolving Credit Facility
Concentration Risk [Line Items]
Loans receivable, net | $	$ 2,600	$ 1,100

Reserves for Credit Losses - Ch

Reserves for Credit Losses - Changes in Reserves for Credit Losses Related to Accounts Receivable (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2016	Sep. 30, 2015	Sep. 30, 2016	Sep. 30, 2015
Allowance for Doubtful Accounts Receivable [Roll Forward]
Balance, beginning of period			$ 13,832	$ 13,919
Provision for credit losses	$ 9,489	$ 6,635	19,849	14,532
Charge-offs			(24,825)	(20,667)
Recoveries of amounts previously charged-off			4,980	3,965
Currency translation			151	(214)
Balance, end of period	$ 13,987	$ 11,535	$ 13,987	$ 11,535

Goodwill and Other Intangible49

Goodwill and Other Intangible Assets - Changes In Goodwill (Details) - USD ($)	9 Months Ended
	Sep. 30, 2016	Dec. 31, 2015
Goodwill [Roll Forward]
Gross goodwill, Beginning of the period	$ 1,124,225,000
Acquisition of EFS	718,979,000
Acquisition adjustments	502,000
Impact of foreign currency translation	9,827,000
Gross goodwill, End of period	1,853,533,000
Accumulated impairment, Beginning of the period	(11,347,000)
Impact of foreign currency translation	(523,000)
Accumulated impairment, End of period	(11,870,000)
Net goodwill	1,841,663,000	$ 1,112,878,000
Goodwill impairment	0
Fleet Solutions Segment
Goodwill [Roll Forward]
Gross goodwill, Beginning of the period	735,770,000
Acquisition of EFS	602,423,000
Acquisition adjustments	0
Impact of foreign currency translation	8,617,000
Gross goodwill, End of period	1,346,810,000
Accumulated impairment, Beginning of the period	(867,000)
Impact of foreign currency translation	(40,000)
Accumulated impairment, End of period	(907,000)
Net goodwill	1,345,903,000	734,903,000
Travel and Corporate Solutions Segment
Goodwill [Roll Forward]
Gross goodwill, Beginning of the period	38,134,000
Acquisition of EFS	116,556,000
Acquisition adjustments	0
Impact of foreign currency translation	(1,739,000)
Gross goodwill, End of period	152,951,000
Accumulated impairment, Beginning of the period	(10,480,000)
Impact of foreign currency translation	(483,000)
Accumulated impairment, End of period	(10,963,000)
Net goodwill	141,988,000	27,654,000
Health and Employee Benefit Solutions Segment
Goodwill [Roll Forward]
Gross goodwill, Beginning of the period	350,321,000
Acquisition of EFS	0
Acquisition adjustments	502,000
Impact of foreign currency translation	2,949,000
Gross goodwill, End of period	353,772,000
Accumulated impairment, Beginning of the period	0
Impact of foreign currency translation	0
Accumulated impairment, End of period	0
Net goodwill	$ 353,772,000	$ 350,321,000

Goodwill and Other Intangible50

Goodwill and Other Intangible Assets - Additional Information (Details) - USD ($)	3 Months Ended	9 Months Ended
	Sep. 30, 2016	Sep. 30, 2016
Goodwill and Intangible Assets Disclosure [Abstract]
Goodwill impairment		$ 0
Software | Electronic Funds Source LLC
Finite-Lived Intangible Assets [Line Items]
Accelerated amortization of intangible assets	$ 5,900,000

Goodwill and Other Intangible51

Goodwill and Other Intangible Assets - Changes in Intangible Assets (Details) - USD ($) $ in Thousands	Jul. 01, 2016	Sep. 30, 2016
Definite-lived intangible assets
Net Carrying Amount, Beginning of period		$ 453,336
Acquisitions	$ 878,100
Amortization		(59,066)
Net Carrying Amount, End of period		1,286,551
Indefinite-lived intangible assets
Total, Net Carrying Amount, Beginning of period		470,712
Transfers		0
Impact of foreign currency translation		3,378
Total, Net Carrying Amount, End of period		1,293,124
Trademarks and trade names
Definite-lived intangible assets
Net Carrying Amount, Beginning of period		13,144
Net Carrying Amount, End of period		36,446
Indefinite-lived intangible assets
Net Carrying Amount, Beginning of period		17,376
Transfers		(11,000)
Impact of foreign currency translation		197
Net Carrying Amount, End of period		6,573
Acquired software and developed technology
Definite-lived intangible assets
Net Carrying Amount, Beginning of period		114,012
Acquisitions	31,100
Amortization		(16,516)
Transfers		0
Impact of foreign currency translation		348
Net Carrying Amount, End of period		128,944
Customer relationships
Definite-lived intangible assets
Net Carrying Amount, Beginning of period		297,904
Acquisitions	832,400
Amortization		(36,520)
Transfers		0
Impact of foreign currency translation		2,287
Net Carrying Amount, End of period		1,096,071
Licensing agreements
Definite-lived intangible assets
Net Carrying Amount, Beginning of period		27,398
Amortization		(3,823)
Transfers		0
Impact of foreign currency translation		764
Net Carrying Amount, End of period		24,339
Patent
Definite-lived intangible assets
Net Carrying Amount, Beginning of period		878
Amortization		(113)
Transfers		0
Impact of foreign currency translation		(14)
Net Carrying Amount, End of period		751
Trademarks and trade names
Definite-lived intangible assets
Net Carrying Amount, Beginning of period		13,144
Acquisitions	$ 14,600
Amortization		(2,094)
Transfers		11,000
Impact of foreign currency translation		(204)
Net Carrying Amount, End of period		$ 36,446
Indefinite-lived intangible assets
Intangible assets remaining estimated useful life		7 years

Goodwill and Other Intangible52

Goodwill and Other Intangible Assets - Estimated Amortization Expense Related to Definite Lived Intangible Assets (Details) $ in Thousands	Sep. 30, 2016USD ($)
Goodwill and Intangible Assets Disclosure [Abstract]
Remaining 2,016	$ 33,420
2,017	135,637
2,018	119,493
2,019	110,611
2,020	102,706
2,021	$ 92,099

Goodwill and Other Intangible53

Goodwill and Other Intangible Assets - Other Intangible Assets (Details) - USD ($) $ in Thousands	Sep. 30, 2016	Dec. 31, 2015
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount, Definite-lived intangible assets	$ 1,490,453	$ 609,290
Accumulated Amortization, Definite-lived intangible assets	(203,902)	(155,954)
Net Carrying Amount, Definite-lived intangible assets	1,286,551	453,336
Other intangible assets, net	1,293,124	470,712
Trademarks and trade names
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount, Definite-lived intangible assets	41,696	16,410
Accumulated Amortization, Definite-lived intangible assets	(5,250)	(3,266)
Net Carrying Amount, Definite-lived intangible assets	36,446	13,144
Net Carrying Amount, Indefinite-lived intangible assets	6,573	17,376
Acquired software and developed technology
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount, Definite-lived intangible assets	185,487	155,182
Accumulated Amortization, Definite-lived intangible assets	(56,543)	(41,170)
Net Carrying Amount, Definite-lived intangible assets	128,944	114,012
Customer relationships
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount, Definite-lived intangible assets	1,227,953	403,382
Accumulated Amortization, Definite-lived intangible assets	(131,882)	(105,478)
Net Carrying Amount, Definite-lived intangible assets	1,096,071	297,904
Licensing agreements
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount, Definite-lived intangible assets	32,793	31,903
Accumulated Amortization, Definite-lived intangible assets	(8,454)	(4,505)
Net Carrying Amount, Definite-lived intangible assets	24,339	27,398
Patent
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount, Definite-lived intangible assets	2,524	2,413
Accumulated Amortization, Definite-lived intangible assets	(1,773)	(1,535)
Net Carrying Amount, Definite-lived intangible assets	$ 751	$ 878

Earnings per Share - Reconcilia

Earnings per Share - Reconciliation of Income and Share Data Used in Basic and Diluted Earnings Per Share Computations (Details) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2016	Sep. 30, 2015	Sep. 30, 2016	Sep. 30, 2015
Earnings Per Share [Abstract]
Net earnings attributable to shareholders – Basic and Diluted	$ 19,696	$ 32,166	$ 55,350	$ 81,003
Weighted average common shares outstanding – Basic (in shares)	42,788	38,745	40,126	38,780
Unvested restricted stock units (in shares)	83	63	73	72
Weighted average common shares outstanding – Diluted (in shares)	42,871	38,808	40,199	38,852

Earnings per Share - Stock Opti

Earnings per Share - Stock Options and Restricted Stock Units (Details) - shares shares in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2016	Sep. 30, 2015	Sep. 30, 2016	Sep. 30, 2015
Employee Stock Option
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Antidilutive securities excluded from computation of earnings per share (in shares)	0	0	0	0
Restricted Stock Units (RSUs)
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Antidilutive securities excluded from computation of earnings per share (in shares)	0	0	0	0
Performance Stock Units
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Antidilutive securities excluded from computation of earnings per share (in shares)	0	0	0	0

Derivative Instruments - Schedu

Derivative Instruments - Schedule of Notional Amounts of Outstanding Derivative Positions (Details) AUD in Thousands	Sep. 30, 2016AUD
Currency Swap | Derivatives Not Designated as Hedging Instruments
Derivative [Line Items]
Aggregate Notional Amount	AUD 10,000

Derivative Instruments - Fuel D

Derivative Instruments - Fuel Derivative Program (Details)	Mar. 31, 2016
Price Risk Derivative
Derivative [Line Items]
Percentage hedged by fuel price derivatives	20.00%

Derivative Instruments - Locati

Derivative Instruments - Location and Amounts of Derivative Gains and Losses in Condensed Consolidated Statements of Income (Details) - Derivatives Not Designated as Hedging Instruments - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2016	Sep. 30, 2015	Sep. 30, 2016	Sep. 30, 2015
Commodity contracts | Net realized and unrealized (loss) gain on fuel price derivatives
Derivative Instruments, Gain (Loss) [Line Items]
Amount of Gain or (Loss) Recognized in Income on Derivative	$ 0	$ 7,922	$ 711	$ 4,671
Foreign currency contracts | Net foreign currency gain (loss)
Derivative Instruments, Gain (Loss) [Line Items]
Amount of Gain or (Loss) Recognized in Income on Derivative	$ 1	$ (100)	$ 40	$ 21,867

Derivative Instruments - Loca59

Derivative Instruments - Location and Amounts of Derivative Fair Values in Condensed Consolidated Balance Sheets (Details) - Derivatives Not Designated as Hedging Instruments - USD ($) $ in Thousands	Sep. 30, 2016	Dec. 31, 2015
Commodity contracts | Fuel price derivatives, at fair value
Derivatives, Fair Value [Line Items]
Derivatives Classified as Assets	$ 0	$ 5,007
Derivatives Classified as Liabilities	0	0
Foreign currency contracts
Derivatives, Fair Value [Line Items]
Derivatives Classified as Assets	0	0
Derivatives Classified as Liabilities	$ 9	$ 90

Financing and Other Debt - Addi

Financing and Other Debt - Additional Information (Details) - USD ($)

Jul. 01, 2016

Apr. 07, 2016

Apr. 28, 2015

Apr. 30, 2016

Jan. 31, 2016

Sep. 30, 2016

Sep. 30, 2016

Sep. 30, 2015

Dec. 31, 2015

Aug. 31, 2016

Jul. 31, 2016

Jun. 30, 2016

Debt Instrument [Line Items]

Current borrowing capacity

$ 2,125,000,000

Maximum borrowing capacity

$ 225,000,000

$ 225,000,000

$ 257,500,000

Lines of credit

1,702,265,000

1,702,265,000

664,918,000

Term for extended securitization agreement

1 year

Securitized debt

83,868,000

83,868,000

82,018,000

Ticking fees expensed

30,045,000

$ 0

Loss on debt extinguishment

2,018,000

0

Line of Credit

Debt Instrument [Line Items]

Lines of credit

0

0

0

Interest Rate Option Two | Federal Fund Rate

Debt Instrument [Line Items]

Margin on variable rate, percent

0.50%

Interest Rate Option Two | Eurocurrency Rate

Debt Instrument [Line Items]

Margin on variable rate, percent

1.00%

Letter of Credit | Revolving Credit Facility

Debt Instrument [Line Items]

Current borrowing capacity

$ 250,000,000

Swingline Loan | Revolving Credit Facility

Debt Instrument [Line Items]

Current borrowing capacity

20,000,000

2016 Credit Agreement

Debt Instrument [Line Items]

Maximum borrowing capacity

$ 375,000,000

Leverage ratio

4

Lines of credit

$ 1,875,000,000

Debt instrument, cash proceeds from assets sales required to be used towards debt repayment, percent

100.00%

Debt instrument. cash proceeds from other debts required to be used towards debt repayment, percent

100.00%

Proceeds from (Payments of) lines of credit

96,100,000

0

Debt issuance costs

46,882,000

46,882,000

2016 Credit Agreement | Revolving Credit Facility

Debt Instrument [Line Items]

Current borrowing capacity

$ 470,000,000

Lines of credit

$ 86,424,000

$ 86,424,000

Proceeds from (Payments of) lines of credit

$ 220,000,000

2016 Credit Agreement | Minimum

Debt Instrument [Line Items]

Commitment fee percentage

0.30%

2016 Credit Agreement | Maximum

Debt Instrument [Line Items]

Commitment fee percentage

0.50%

0.50%

2016 Credit Agreement Tranche A

Debt Instrument [Line Items]

Debt instrument, quarterly payment, percent of original principal amount

1.25%

Interest coverage ratio (no less than)

3.25

Indebtedness to EBITDA Ratio (no more than)

5.40

2016 Credit Agreement Tranche A | Credit Facility Term Loans

Debt Instrument [Line Items]

Current borrowing capacity

$ 455,000,000

2016 Credit Agreement Tranche A | December 31, 2016

Debt Instrument [Line Items]

Indebtedness to EBITDA Ratio (no more than)

5.25

2016 Credit Agreement Tranche A | December 31, 2017

Debt Instrument [Line Items]

Indebtedness to EBITDA Ratio (no more than)

5

2016 Credit Agreement Tranche A | December 31, 2018

Debt Instrument [Line Items]

Indebtedness to EBITDA Ratio (no more than)

4.25

2016 Credit Agreement Tranche A | December 31, 2019

Debt Instrument [Line Items]

Indebtedness to EBITDA Ratio (no more than)

4

2016 Credit Agreement Tranche A | Interest Rate Option One | Eurocurrency Rate

Debt Instrument [Line Items]

Debt instrument, interest rate, floor

0.00%

2016 Credit Agreement Tranche A | Interest Rate Option One | Eurocurrency Rate | Minimum

Debt Instrument [Line Items]

Margin on variable rate, percent

1.75%

2016 Credit Agreement Tranche A | Interest Rate Option One | Eurocurrency Rate | Maximum

Debt Instrument [Line Items]

Margin on variable rate, percent

3.25%

3.25%

2016 Credit Agreement Tranche A | Interest Rate Option Two | Eurocurrency Rate | Minimum

Debt Instrument [Line Items]

Margin on variable rate, percent

0.75%

2016 Credit Agreement Tranche A | Interest Rate Option Two | Eurocurrency Rate | Maximum

Debt Instrument [Line Items]

Margin on variable rate, percent

2.25%

2016 Credit Agreement Tranche B

Debt Instrument [Line Items]

Weighted average annual interest rate, percent

3.80%

3.80%

Debt instrument unamortized discount, percent

1.00%

Debt instrument, excess of cash required to be used for debt repayment

50.00%

Debt instrument, loan prepayment premium, percent

1.00%

Debt instrument, quarterly payment, percent of original principal amount

0.25%

2016 Credit Agreement Tranche B | Credit Facility Term Loans

Debt Instrument [Line Items]

Current borrowing capacity

$ 1,200,000,000

Lines of credit

$ 1,615,841,000

$ 1,615,841,000

2016 Credit Agreement Tranche B | Leverage Ratio One

Debt Instrument [Line Items]

Debt instrument, excess of cash required to be used for debt repayment

25.00%

2016 Credit Agreement Tranche B | Leverage Ratio Two

Debt Instrument [Line Items]

Debt instrument, excess of cash required to be used for debt repayment

0.00%

2016 Credit Agreement Tranche B | Interest Rate Option One | Eurocurrency Rate

Debt Instrument [Line Items]

Debt instrument, interest rate, floor

0.75%

2016 Credit Agreement Tranche B | Interest Rate Option One | Eurocurrency Rate | Minimum

Debt Instrument [Line Items]

Interest rate, stated percentage

3.25%

2016 Credit Agreement Tranche B | Interest Rate Option One | Eurocurrency Rate | Maximum

Debt Instrument [Line Items]

Margin on variable rate, percent

3.50%

3.50%

2016 Credit Agreement Tranche B | Interest Rate Option Two | Eurocurrency Rate | Minimum

Debt Instrument [Line Items]

Interest rate, stated percentage

2.25%

2016 Credit Agreement Tranche B | Interest Rate Option Two | Eurocurrency Rate | Maximum

Debt Instrument [Line Items]

Margin on variable rate, percent

2.50%

2.50%

2014 Credit Agreement

Debt Instrument [Line Items]

Proceeds from (Payments of) lines of credit

$ (205,549,000)

$ (168,752,000)

Ticking fees expensed

5,056,000

Loss on debt extinguishment

$ 2,018,000

2014 Credit Agreement | Revolving Credit Facility

Debt Instrument [Line Items]

Maximum borrowing capacity

$ 700,000,000

Lines of credit

282,639,000

2014 Credit Agreement | Credit Facility Term Loans

Debt Instrument [Line Items]

Lines of credit

458,750,000

445,000,000

2014 Credit Agreement | London Interbank Offered Rate (LIBOR) | Revolving Credit Facility

Debt Instrument [Line Items]

Margin on variable rate, percent

2.00%

2014 Credit Agreement | London Interbank Offered Rate (LIBOR) | Credit Facility Term Loans

Debt Instrument [Line Items]

Margin on variable rate, percent

2.00%

2014 Credit Agreement | Prime Rate | Revolving Credit Facility

Debt Instrument [Line Items]

Margin on variable rate, percent

1.00%

2014 Credit Agreement | Eurocurrency Rate | Revolving Credit Facility

Debt Instrument [Line Items]

Margin on variable rate, percent

2.00%

Second Amendment to 2014 Agreement | September 30, 2016

Debt Instrument [Line Items]

Leverage ratio

3.75

3.75

Loan Participations and Assignments

Debt Instrument [Line Items]

Maximum borrowing capacity

$ 50,000,000

$ 45,000,000

$ 10,000,000

Debt instrument, aggregate principal amount

$ 95,000,000

$ 95,000,000

$ 45,000,000

Loan Participations and Assignments | Minimum

Debt Instrument [Line Items]

Range of daily balance

0

0

Loan Participations and Assignments | Maximum

Debt Instrument [Line Items]

Range of daily balance

95,000,000

$ 95,000,000

Loan Participations and Assignments | London Interbank Offered Rate (LIBOR)

Debt Instrument [Line Items]

Margin on variable rate, percent

2.25%

Securitization Facility

Debt Instrument [Line Items]

Term of securitization facility

1 year

Securitization facility, percentage of receivables used as collateral

85.00%

Interest rate during period, percent

2.70%

2.91%

Securitized debt

76,408,000

$ 76,408,000

$ 82,018,000

European Securitization Facility

Debt Instrument [Line Items]

Interest rate during period, percent

0.83%

Debt instrument, term

5 years

Securitized debt

$ 7,460,000

$ 7,460,000

Electronic Funds Source LLC

Debt Instrument [Line Items]

Lines of credit

$ 2,125,000,000

Commitment fee amount

(7,874,000)

Electronic Funds Source LLC | Interest Expense

Debt Instrument [Line Items]

Commitment fee amount

$ 22,171,000

$ 30,045,000

Unik

Debt Instrument [Line Items]

Weighted average annual interest rate, percent

14.60%

14.60%

13.50%

Outstanding debt

$ 13,127,000

$ 13,127,000

$ 5,046,000

Financing and Other Debt - Sche

Financing and Other Debt - Schedule of Debt Issuance Cost (Details) - USD ($) $ in Thousands	Sep. 30, 2016	Dec. 31, 2015
Notes outstanding
Line of Credit Facility [Line Items]
Debt issuance costs, net	$ 4,649	$ 5,200
Revolving line of credit facilities and term loan
Line of Credit Facility [Line Items]
Debt issuance costs, net	$ 40,147	$ 4,837

Fair Value - Assets and Liabili

Fair Value - Assets and Liabilities Measured at Fair Value and Related Hierarchy Levels (Details) - USD ($) $ in Thousands	Sep. 30, 2016	Dec. 31, 2015
Assets:
Total available-for-sale securities	$ 24,160	$ 18,562
Executive deferred compensation plan trust	5,716	5,655
Fuel price derivatives		5,007
Liabilities:
Foreign currency swaps	9	90
Mortgage-backed securities
Assets:
Total available-for-sale securities	499	650
Asset-backed securities
Assets:
Total available-for-sale securities	688	848
Municipal bonds
Assets:
Total available-for-sale securities	708	398
Fixed-income mutual fund
Assets:
Total available-for-sale securities	22,265	16,666
Fuel price derivatives - unleaded fuel
Assets:
Fuel price derivatives		3,083
Fuel price derivatives – diesel
Assets:
Fuel price derivatives		1,924
Quoted Prices in Active Markets for Identical Assets (Level 1)
Assets:
Total available-for-sale securities	22,265	16,666
Executive deferred compensation plan trust	5,716	5,655
Fuel price derivatives		0
Liabilities:
Foreign currency swaps	0	0
Quoted Prices in Active Markets for Identical Assets (Level 1) | Mortgage-backed securities
Assets:
Total available-for-sale securities	0	0
Quoted Prices in Active Markets for Identical Assets (Level 1) | Asset-backed securities
Assets:
Total available-for-sale securities	0	0
Quoted Prices in Active Markets for Identical Assets (Level 1) | Municipal bonds
Assets:
Total available-for-sale securities	0	0
Quoted Prices in Active Markets for Identical Assets (Level 1) | Fixed-income mutual fund
Assets:
Total available-for-sale securities	22,265	16,666
Quoted Prices in Active Markets for Identical Assets (Level 1) | Fuel price derivatives - unleaded fuel
Assets:
Fuel price derivatives		0
Quoted Prices in Active Markets for Identical Assets (Level 1) | Fuel price derivatives – diesel
Assets:
Fuel price derivatives		0
Significant Other Observable Inputs (Level 2)
Assets:
Total available-for-sale securities	1,895	1,896
Executive deferred compensation plan trust	0	0
Fuel price derivatives		3,083
Liabilities:
Foreign currency swaps	9	90
Significant Other Observable Inputs (Level 2) | Mortgage-backed securities
Assets:
Total available-for-sale securities	499	650
Significant Other Observable Inputs (Level 2) | Asset-backed securities
Assets:
Total available-for-sale securities	688	848
Significant Other Observable Inputs (Level 2) | Municipal bonds
Assets:
Total available-for-sale securities	708	398
Significant Other Observable Inputs (Level 2) | Fixed-income mutual fund
Assets:
Total available-for-sale securities	0	0
Significant Other Observable Inputs (Level 2) | Fuel price derivatives - unleaded fuel
Assets:
Fuel price derivatives		3,083
Significant Other Observable Inputs (Level 2) | Fuel price derivatives – diesel
Assets:
Fuel price derivatives		0
Significant Unobservable Inputs (Level 3)
Assets:
Total available-for-sale securities	0	0
Executive deferred compensation plan trust	0	0
Fuel price derivatives		1,924
Liabilities:
Foreign currency swaps	0	0
Significant Unobservable Inputs (Level 3) | Mortgage-backed securities
Assets:
Total available-for-sale securities	0	0
Significant Unobservable Inputs (Level 3) | Asset-backed securities
Assets:
Total available-for-sale securities	0	0
Significant Unobservable Inputs (Level 3) | Municipal bonds
Assets:
Total available-for-sale securities	0	0
Significant Unobservable Inputs (Level 3) | Fixed-income mutual fund
Assets:
Total available-for-sale securities	$ 0	0
Significant Unobservable Inputs (Level 3) | Fuel price derivatives - unleaded fuel
Assets:
Fuel price derivatives		0
Significant Unobservable Inputs (Level 3) | Fuel price derivatives – diesel
Assets:
Fuel price derivatives		$ 1,924

Fair Value - Reconciliation of

Fair Value - Reconciliation of Beginning and Ending Balances for Assets (Liabilities) Measured at Fair Value on Recurring Basis Using Significant Unobservable Inputs (Level Three) (Details) - Fuel price derivatives – diesel - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
	Sep. 30, 2015	Sep. 30, 2016	Sep. 30, 2015
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Beginning balance	$ 6,078	$ 1,924	$ 11,848
Total gains and (losses) – realized/unrealized
Included in earnings	(1,633)	(1,924)	(7,403)
Included in other comprehensive income	0	0	0
Purchases, issuances and settlements	0	0	0
Transfers (in)/out of Level 3	0	0	0
Ending balance	$ 4,445	$ 0	$ 4,445

Fair Value - Additional Informa

Fair Value - Additional Information (Details) - USD ($) $ in Thousands	Sep. 30, 2016	Dec. 31, 2015
Fair Value Disclosures [Abstract]
Notes, loans and financing receivable, gross, noncurrent	$ 400,000	$ 400,000
Debt instrument, fee amount	4,649	5,200
Notes outstanding, fair value	$ 396,000	$ 366,000

Accumulated Other Comprehensi65

Accumulated Other Comprehensive Income (Loss) - Reconciliation of Accumulated Other Comprehensive Loss (Details) - USD ($)	3 Months Ended		9 Months Ended
	Sep. 30, 2016	Sep. 30, 2015	Sep. 30, 2016	Sep. 30, 2015
Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Beginning balance			$ 1,095,681,000	$ 1,077,721,000
Purchase of redeemable non-controlling interest		$ 46,018,000		46,018,000
Ending balance	$ 1,518,205,000	1,066,921,000	1,518,205,000	1,066,921,000
Unrealized Gains and Losses on Available- for-Sale Securities
Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Beginning balance	59,000	(178,000)	(212,000)	(129,000)
Other comprehensive income (loss)	(62,000)	99,000	209,000	50,000
Purchase of redeemable non-controlling interest	0	0	0	0
Ending balance	(3,000)	(79,000)	(3,000)	(79,000)
Amounts reclassified from accumulated other comprehensive income	0	0	0	0
Tax effect on accumulated unrealized losses	5,025,000	1,414,000	5,025,000	1,414,000
Foreign Currency Items
Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Beginning balance	(104,079,000)	(67,344,000)	(103,239,000)	(50,452,000)
Other comprehensive income (loss)	1,549,000	(32,490,000)	709,000	(49,382,000)
Purchase of redeemable non-controlling interest	0	(9,108,000)	0	(9,108,000)
Ending balance	(102,530,000)	(108,942,000)	(102,530,000)	(108,942,000)
Amounts reclassified from accumulated other comprehensive income	$ 0	$ 0	$ 0	$ 0

Non-controlling Interests - Add

Non-controlling Interests - Additional Information (Details) - USD ($) $ in Thousands	Aug. 31, 2015	Sep. 30, 2015	Sep. 30, 2015	Dec. 31, 2013	Aug. 30, 2012
Noncontrolling Interest [Line Items]
Purchase of redeemable non-controlling interest		$ 46,018	$ 46,018
Unik
Noncontrolling Interest [Line Items]
Percent of ownership interest acquired	49.00%				51.00%
Purchase of redeemable non-controlling interest	$ 46,018
WEX Europe Services
Noncontrolling Interest [Line Items]
Percent of ownership interest acquired				75.00%

Non-controlling Interests - Red

Non-controlling Interests - Redeemable Noncontrolling Interests (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2016	Sep. 30, 2015	Sep. 30, 2016	Sep. 30, 2015
Reconcilliation of Redeemable Noncontrolling Interest [Roll Forward]
Balance, beginning of period		$ 14,992		$ 16,590
Net gain attributable to redeemable non-controlling interest		531		1,190
Currency translation adjustment		(1,953)		(4,210)
Adjustment to redemption value		9,413		9,413
Excess purchase amount over redemption value		23,035		23,035
Purchase of non-controlling interest		(46,018)		(46,018)
Ending balance		0		0
Stockholders' Equity Attributable to Noncontrolling Interest [Roll Forward]
Balance, beginning of period			$ 12,437
Net loss attributable to non-controlling interest	$ (493)	203	(1,013)	(2,201)
Ending balance	11,614		11,614
WEX Europe Services
Stockholders' Equity Attributable to Noncontrolling Interest [Roll Forward]
Balance, beginning of period	12,052	13,165	12,437	17,396
Net loss attributable to non-controlling interest	(493)	(328)	(1,013)	(3,391)
Currency translation adjustment	55	(505)	190	(1,673)
Ending balance	$ 11,614	$ 12,332	$ 11,614	$ 12,332

Income Taxes - Additional Infor

Income Taxes - Additional Information (Details) - USD ($) $ in Thousands	3 Months Ended
	Sep. 30, 2016	Sep. 30, 2015	Dec. 31, 2015
Income Tax Disclosure [Abstract]
Effective tax rate	24.00%	42.40%
Decrease to valuation allowances	$ 3,175
Undistributed earnings of certain foreign subsidiaries	$ 27,092		$ 13,230

Restructuring - Additional Info

Restructuring - Additional Information (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2016	Sep. 30, 2015	Sep. 30, 2016	Sep. 30, 2015
Restructuring Reserve
Beginning balance	$ 10,573	$ 8,822	$ 7,249	$ 0
Restructuring charges	2,531	0	7,626	8,559
Reserve release	0	(45)	0	(45)
Cash paid	(1,063)	0	(3,188)	0
Impact of foreign currency translation	965	(304)	1,319	(41)
Ending balance	13,006	8,473	13,006	8,473
Year 2,015
Restructuring Cost and Reserve [Line Items]
Restructuring expected cost	3,000		3,000
Restructuring Reserve
Beginning balance	7,085	8,822	7,249	0
Restructuring charges	446	0	2,035	8,559
Reserve release	0	(45)	0	(45)
Cash paid	(638)	0	(2,763)	0
Impact of foreign currency translation	701	(304)	1,073	(41)
Ending balance	7,594	$ 8,473	7,594	$ 8,473
Year 2,016
Restructuring Cost and Reserve [Line Items]
Restructuring expected cost	900		900
Restructuring Reserve
Beginning balance	3,488		0
Restructuring charges	0		3,506
Cash paid	(4)		(4)
Impact of foreign currency translation	264		246
Ending balance	3,748		3,748
Acquisition Integration Restructuring Initiative
Restructuring Cost and Reserve [Line Items]
Restructuring expected cost	1,300		1,300
Restructuring Reserve
Beginning balance	0		0
Restructuring charges	2,085		2,085
Cash paid	(421)		(421)
Impact of foreign currency translation	0		0
Ending balance	$ 1,664		$ 1,664

Segment Information - Additiona

Segment Information - Additional Information (Details) - segment	3 Months Ended	9 Months Ended
	Dec. 31, 2015	Sep. 30, 2016	Sep. 30, 2015
Segment Reporting [Abstract]
Number of reportable segments	3	3	2

Segment Information - Reportabl

Segment Information - Reportable Segment Results (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2016	Sep. 30, 2015	Sep. 30, 2016	Sep. 30, 2015
Segment Reporting Information [Line Items]
Interest Income	$ 3,898	$ 1,839	$ 9,053	$ 5,221
Fleet Solutions Segment
Segment Reporting Information [Line Items]
Interest Income	961	142	2,547	966
Travel and corporate solutions
Segment Reporting Information [Line Items]
Interest Income	143	91	330	245
Health and employee benefit solutions
Segment Reporting Information [Line Items]
Interest Income	$ 2,794	$ 1,606	$ 6,176	$ 4,010

Segment Information - Pre-Tax I

Segment Information - Pre-Tax Income Before NCI (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2016	Sep. 30, 2015	Sep. 30, 2016	Sep. 30, 2015
Segment Reporting Information [Line Items]
Payment processing revenue	$ 146,182	$ 133,198	$ 383,319	$ 378,714
Account servicing revenue	58,815	39,578	150,770	115,000
Finance fee revenue	36,138	23,502	92,348	64,094
Other revenue	46,621	29,779	101,184	84,187
Total revenues	287,756	226,057	727,621	641,995
Operating interest expense	2,599	1,483	5,490	4,419
Depreciation and amortization	46,008	20,778	91,381	62,924
Pre-tax adjusted net income	84,531	85,526	211,464	233,945
Fleet Solutions Segment
Segment Reporting Information [Line Items]
Payment processing revenue	83,132	80,230	216,133	233,300
Account servicing revenue	37,414	26,024	90,400	75,267
Finance fee revenue	33,230	21,794	85,841	59,858
Other revenue	30,982	14,789	57,417	43,345
Total revenues	184,758	142,837	449,791	411,770
Operating interest expense	1,066	405	1,867	1,566
Depreciation and amortization	35,172	13,266	62,927	41,877
Pre-tax adjusted net income	49,718	55,902	121,096	153,725
Travel and corporate solutions
Segment Reporting Information [Line Items]
Payment processing revenue	52,551	44,387	130,372	114,586
Account servicing revenue	242	449	852	1,329
Finance fee revenue	115	104	336	233
Other revenue	10,407	11,542	30,235	31,621
Total revenues	63,315	56,482	161,795	147,769
Operating interest expense	840	488	2,003	754
Depreciation and amortization	1,630	1,336	3,007	2,251
Pre-tax adjusted net income	31,449	26,991	74,797	68,076
Health and Employee Benefit Solutions Segment
Segment Reporting Information [Line Items]
Payment processing revenue	10,499	8,581	36,814	30,828
Account servicing revenue	21,159	13,105	59,518	38,404
Finance fee revenue	2,793	1,604	6,171	4,003
Other revenue	5,232	3,448	13,532	9,221
Total revenues	39,683	26,738	116,035	82,456
Operating interest expense	693	590	1,620	2,099
Depreciation and amortization	9,206	6,176	25,447	18,796
Pre-tax adjusted net income	$ 3,364	$ 2,633	$ 15,571	$ 12,144

Segment Information - Reconcili

Segment Information - Reconciliation of Adjusted Pre-Tax Income Before NCI to Income Before Income Taxes (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2016	Sep. 30, 2015	Sep. 30, 2016	Sep. 30, 2015
Segment Reporting [Abstract]
Income before income taxes	$ 25,268	$ 72,496	$ 78,067	$ 149,862
Acquisition and divestiture related items	46,955	11,888	108,805	34,843
Debt restructuring and debt issuance cost amortization	9,106	778	10,649	2,319
Stock-based compensation	5,199	3,067	14,312	10,227
Restructuring and other costs	3,767	(45)	11,689	8,514
Changes in unrealized fuel price derivatives	0	3,251	5,007	27,552
Net foreign currency remeasurement (gains) losses	(5,932)	(6,525)	(17,233)	12
Non-cash adjustments related to tax receivable agreement	168	(1,634)	168	(1,634)
Regulatory reserve	0	2,250	0	2,250
Adjusted pre-tax income before NCI	$ 84,531	$ 85,526	$ 211,464	$ 233,945

Supplementary Regulatory Capi74

Supplementary Regulatory Capital Disclosure (Details) - USD ($) $ in Thousands	Sep. 30, 2016	Dec. 31, 2015
Debt Disclosure [Abstract]
Total Capital to risk-weighted assets, Actual Amount	$ 245,245	$ 202,294
Total Capital to risk-weighted assets, Ratio	14.30%	15.50%
Total Capital to risk-weighted assets, Minimum for Capital Adequacy Purposes Amount	$ 137,200	$ 104,437
Total Capital to risk-weighted assets, Ratio	8.00%	8.00%
Total Capital to risk-weighted assets, Minimum to Be Well Capitalized Under Prompt Corrective Action Provisions Amount	$ 171,500	$ 130,547
Total Capital to risk-weighted assets, Ratio	10.00%	10.00%
Tier 1 Capital to average assets, Actual Amount	$ 236,458	$ 193,337
Tier 1 Capital to average assets, Ratio	12.12%	11.23%
Tier 1 Capital to average assets, Minimum for Capital Adequacy Purposes Amount	$ 78,039	$ 68,865
Tier 1 Capital to average assets, Ratio	4.00%	4.00%
Tier 1 Capital to average assets, Minimum to Be Well Capitalized Under Prompt Corrective Action Provisions Amount	$ 97,549	$ 86,082
Tier 1 Capital to average assets, Ratio	5.00%	5.00%
Common equity to risk-weighted assets, Actual Amount	$ 236,458	$ 193,337
Common equity to risk-weighted assets, Ratio	13.79%	14.81%
Common equity to risk-weighted assets, Minimum for Capital Adequacy Purposes Amount	$ 77,162	$ 58,746
Common equity to risk-weighted assets, Ratio	4.50%	4.50%
Common equity to risk-weighted assets, Minimum to Be Well Capitalized Under Prompt Corrective Action Provisions Amount	$ 111,456	$ 84,855
Common equity to risk-weighted assets, Ratio	6.50%	6.50%
Tier 1 Capital to risk-weighted assets, Actual Amount	$ 236,458	$ 193,337
Tier 1 Capital to risk-weighted assets, Ratio	13.79%	14.81%
Tier 1 Capital to risk-weighted assets, Minimum for Capital Adequacy Purposes Amount	$ 102,882	$ 78,328
Tier 1 Capital to risk-weighted assets, Ratio	6.00%	6.00%
Tier 1 Capital to risk-weighted assets, Minimum to Be Well Capitalized Under Prompt Corrective Action Provisions Amount	$ 137,177	$ 104,437
Tier 1 Capital to risk-weighted assets, Ratio	8.00%	8.00%

Subsequent Events (Details)

Subsequent Events (Details) - Subsequent Event - Derivatives Not Designated as Hedging Instruments - Interest Rate Swap $ in Millions	Nov. 03, 2016USD ($)agreement
Subsequent Event [Line Items]
Number of derivative instruments held | agreement	3
Notional amount (USD) | $	$ 800
Minimum
Subsequent Event [Line Items]
Fixed interest rate	0.896%
Maximum
Subsequent Event [Line Items]
Fixed interest rate	1.125%

Subsequent Events - Schedule of

Subsequent Events - Schedule of Notional Amounts of Outstanding Derivative Positions (Details) - Derivatives Not Designated as Hedging Instruments - Subsequent Event $ in Thousands	Nov. 03, 2016USD ($)
Tranche A
Subsequent Event [Line Items]
Notional amount (USD)	$ 400,000
Amortization	5.00%
Fixed interest rate	1.108%
Tranche B
Subsequent Event [Line Items]
Notional amount (USD)	$ 150,000
Fixed interest rate	1.125%
Tranche C
Subsequent Event [Line Items]
Notional amount (USD)	$ 250,000
Fixed interest rate	0.896%