CONSOLIDATED STATEMENTS OF CASH FLOWS $ in Thousands	12 Months Ended
	Dec. 31, 2015 USD ($)	Dec. 31, 2014 USD ($)	Dec. 31, 2013 USD ($)
Cash Flows From Operating Activities:
Net income (loss)	$ (11,938)	$ (1,337)	$ 11,110
Adjustments to reconcile net income (loss) to net cash provided by operating activities:
Depreciation and software and leasehold amortization	37,810	36,042	30,971
Amortization of intangible assets	18,347	12,655	18,834
Share-based compensation expense	13,748	13,098	10,008
Fair value adjustment to contingent consideration	(1,182)	1,142	2,580
Loan fee amortization and write-off	2,421	2,153	1,903
Provision for doubtful accounts	(158)	3,552	2,411
Deferred income taxes	25,546	(538)	(6,517)
Excess tax benefit related to share-based compensation	(440)	(1,142)	(1,328)
Impairment of goodwill and identifiable intangible assets	1,162
Other, net	1,629	364	(803)
Changes in operating assets and liabilities:
Trade accounts receivable	(8,580)	22,513	(43,392)
Prepaid expenses and other assets	(2,730)	(1,180)	(2,281)
Accounts payable and other liabilities	4,717	(3,882)	16,063
Client deposits	1,060	(182)	(13,377)
Deferred revenue	(287)	(1,748)	877
Income taxes	181	(11,700)	5,858
Other, net		(88)	(319)
Net cash provided by operating activities	81,306	69,722	32,598
Cash Flows From Investing Activities:
Cash paid for business acquisitions, net of cash acquired	(124,550)	(302)
Purchase of property and equipment	(19,860)	(28,885)	(34,646)
Internally developed software costs	(9,245)	(7,154)	(6,061)
Cash proceeds from sale of assets	110	924	5
Net cash used in investing activities	(153,545)	(35,417)	(40,702)
Cash Flows From Financing Activities:
Debt issuance costs	(1,681)	(837)	(8,141)
Proceeds from borrowings of long-term debt	75,000		300,000
Repayment of long-term debt and other long-term obligations	(14,015)	(10,821)	(7,903)
Proceeds from revolver borrowings	23,000		88,000
Repayment of revolver borrowings	(23,000)		(287,000)
Payment of acquisition-related liabilities	(92)	(4,962)	(3,139)
Excess tax benefit related to share-based compensation	440	1,142	1,328
Common stock repurchases	(4,183)	(3,982)	(29,396)
Cash dividends paid	(13,239)	(12,793)	(12,891)
Proceeds from exercise of stock options	3,886	12,503	3,005
Net cash provided by (used in) financing activities	46,116	(19,750)	43,863
Effect of exchange rate changes on cash	(483)	(665)	769
Net increase (decrease) in cash and cash equivalents	(26,606)	13,890	36,528
Cash and cash equivalents at beginning of period	54,226	40,336	3,808
Cash and cash equivalents at end of period	27,620	54,226	40,336
Supplemental disclosure of cash flow information:
Cash paid for interest	17,684	14,056	10,381
Cash (recovered) paid for income taxes, net	(5,637)	8,324	7,488
Non-cash investing and financing transactions:
Property, equipment, and leasehold improvements accrued in accounts payable	3,492	2,413	10,261
Capital expenditures funded by capital lease borrowings	6,503	446	7,902
Capital leases assumed in business acquisition	9,061
Dividends declared	$ 3,566	3,376	$ 3,142
Notes payable (Note 5)		12,895
Acquisition-related liabilities		$ 976