CONSOLIDATED STATEMENTS OF CASH FLOWS (USD $) In Thousands, unless otherwise specified	12 Months Ended
Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Cash flows from operating activities
Net income	$ 200,018us-gaap_ProfitLoss	$ 148,298us-gaap_ProfitLoss	$ 96,709us-gaap_ProfitLoss
Adjustments to reconcile net income to net cash provided by operating activities:
Net unrealized (gain) loss on derivative instruments	(48,327)us-gaap_UnrealizedGainLossOnDerivatives	5,628us-gaap_UnrealizedGainLossOnDerivatives	1,724us-gaap_UnrealizedGainLossOnDerivatives
Stock-based compensation	13,790us-gaap_ShareBasedCompensation	9,429us-gaap_ShareBasedCompensation	11,016us-gaap_ShareBasedCompensation
Depreciation, amortization and asset impairments	73,022	60,563	50,267
Goodwill impairment	0us-gaap_GoodwillImpairmentLoss	0us-gaap_GoodwillImpairmentLoss	17,508us-gaap_GoodwillImpairmentLoss
Gain on sale of subsidiary	(27,490)	0	0
Deferred taxes	46,111us-gaap_DeferredIncomeTaxExpenseBenefit	26,956us-gaap_DeferredIncomeTaxExpenseBenefit	35,907us-gaap_DeferredIncomeTaxExpenseBenefit
Provision for credit losses	32,144us-gaap_ProvisionForOtherCreditLosses	20,200us-gaap_ProvisionForOtherCreditLosses	22,539us-gaap_ProvisionForOtherCreditLosses
Loss on disposal of property, equipment and capitalized software	1,182	1,122	9,503
Changes in operating assets and liabilities, net of effects of acquisitions:
Accounts receivable	55,883	(194,418)	(86,763)
Other assets	(16,921)	(55,440)	(43,665)
Accounts payable	(29,154)	(6,365)	(41,040)
Accrued expenses	29,263	25,500	(1,582)
Income taxes	(21,770)	7,586	17,360
Other liabilities	(3,190)	(743)	(11,459)
Amounts due under tax receivable agreement	(8,148)	(8,765)	(6,213)
Net cash provided by operating activities	296,413	39,551	71,811
Cash flows from investing activities
Purchases of property, equipment and capitalized software	(58,133)	(39,455)	(28,036)
Purchases of available-for-sale securities	(2,837)	(1,802)	(864)
Maturities of available-for-sale securities	337	1,192	1,551
Acquisitions and investment, net of cash	(891,725)	(11,277)	(402,475)
Proceeds from sale of subsidiary	48,324	0	0
Net cash used for investing activities	(904,034)	(51,342)	(429,824)
Cash flows from financing activities
Excess tax benefits from equity instrument share-based payment arrangements	1,867	6,539	4,466
Repurchase of share-based awards to satisfy tax withholdings	(5,709)	(11,222)	(2,926)
Proceeds from stock option exercises	239	1,679	4,625
Net change in deposits	(109,138)us-gaap_IncreaseDecreaseInDeposits	198,596us-gaap_IncreaseDecreaseInDeposits	193,726us-gaap_IncreaseDecreaseInDeposits
Net (decrease) increase in borrowed federal funds	0	(48,400)	41,500
Net borrowings on 2011 revolving line-of-credit facility	0	0	335,700
Borrowings on revolving line-of-credit facility	2,519,742	419,200	0
Repayments on revolving line-of-credit facility	(2,105,321)	(857,700)	0
Loan origination fees	(3,309)	(12,023)	0
Borrowings on term loan	0us-gaap_ProceedsFromNotesPayable	400,000us-gaap_ProceedsFromNotesPayable	0us-gaap_ProceedsFromNotesPayable
Other debt	46,851	(2,016)	(17,753)
Contingent consideration paid for rapid! PayCard	0	0	(8,486)
Purchase of shares of treasury stock	(19,765)	(17,911)	(11,288)
Net cash provided by financing activities	526,707	179,242	529,564
Effect of exchange rates on cash and cash equivalents	4,191	(3,627)	320
Net change in cash and cash equivalents	(76,723)	163,824	171,871
Cash and cash equivalents, beginning of period	361,486	197,662	25,791
Cash and cash equivalents, end of period	284,763	361,486	197,662
2011 Credit Agreement
Cash flows from financing activities
Repayments of term loan	0	(182,500)	(10,000)
2013 Credit Agreement
Cash flows from financing activities
Repayments of term loan	(7,500)	(15,000)	0
Borrowings on term loan	0	300,000	0
2014 Credit Agreement
Cash flows from financing activities
Repayments of term loan	(13,750)	0	0
Borrowings on term loan	$ 222,500	$ 0	$ 0

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Amount of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates. Excludes cash and cash equivalents within disposal group and discontinued operation.