Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2016	Mar. 31, 2015
Cash flows from operating activities:
Net income	$ 21,768	$ 19,168
Adjustments to reconcile net income to net cash used in operating activities:
Loss from operations of discontinued operations, net of tax	30	335
Gain on sale of operations, net	(101)	(56)
Depreciation and amortization expense	5,245	4,987
Amortization of discount on notes and deferred financing costs	131	860
Amortization of discount on contingent earnout liability	36	38
Bad debt expense, net of recoveries	1,170	1,494
Adjustment to contingent earnout liability	(1,263)	(1,500)
Deferred income taxes	434	(2,137)
Employee stock awards	1,409	1,622
Excess tax benefits from share based payment arrangements	(102)	(48)
Changes in assets and liabilities, net of acquisitions and divestitures:
Restricted cash	(1,235)	2,685
Accounts receivable, net	(44,485)	(47,239)
Other assets	(833)	(1,158)
Accounts payable	995	1,301
Income taxes payable	13,516	11,902
Accrued personnel costs	(15,510)	(16,049)
Other liabilities	1,127	507
Net cash used in continuing operations	(17,668)	(23,288)
Operating cash flows provided by (used in) discontinued operations	506	(1,027)
Net cash used in operating activities	(17,162)	(24,315)
Cash flows from investing activities:
Business acquisitions and purchases of client lists, net of cash acquired	(2,043)	(5,974)
Purchases of client fund investments	(3,560)	(3,531)
Proceeds from the sales and maturities of client fund investments	3,577	3,704
Proceeds from sales of divested and discontinued operations	42	56
Increase in funds held for clients	20,746	57,257
Additions to property and equipment, net	(880)	(2,983)
Collections of notes receivable	34	34
Net cash provided by investing activities	17,916	48,563
Cash flows from financing activities:
Proceeds from bank debt	145,200	98,500
Payment of bank debt	(117,100)	(59,100)
Payment for acquisition of treasury stock	(6,137)	(5,007)
Decrease in client funds obligations	(20,805)	(58,353)
Proceeds from exercise of stock options	796	2,130
Payment of contingent consideration of acquisitions	(2,035)	(3,317)
Excess tax benefit from exercise of stock awards	102	48
Payment of notes payable	(58)
Other	(6)
Net cash used in financing activities	(43)	(25,099)
Net increase (decrease) in cash and cash equivalents	711	(851)
Cash and cash equivalents at beginning of year	850	979
Cash and cash equivalents at end of period	$ 1,561	$ 128