Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2016	Sep. 30, 2015
Cash flows from operating activities:
Net income	$ 40,751	$ 36,013
Adjustments to reconcile net income to net cash provided by operating activities:
Loss (gain) from discontinued operations, net of tax	421	(236)
Gain on sale of operations, net	(480)	(106)
Loss on early extinguishment of convertible debt		833
Depreciation and amortization expense	16,359	15,168
Amortization of discount on notes and deferred financing costs	393	2,140
Amortization of discount on contingent earnout liability	223	115
Bad debt expense, net of recoveries	3,291	4,625
Adjustment to contingent earnout liability	(936)	(3,075)
Deferred income taxes	1,830	(1,144)
Employee stock awards	4,332	4,319
Excess tax benefits from share based payment arrangements	(859)	(560)
Changes in assets and liabilities, net of acquisitions and divestitures:
Restricted cash	(8,154)	2,687
Accounts receivable, net	(38,666)	(37,699)
Other assets	(6,339)	1,409
Accounts payable	6,971	(1,716)
Income taxes payable	10,250	7,568
Accrued personnel costs	(175)	(3,350)
Other liabilities	5,178	(798)
Operating cash flows provided by continuing operations	34,390	26,193
Operating cash flows provided by (used in) discontinued operations	507	(417)
Net cash provided by operating activities	34,897	25,776
Cash flows from investing activities:
Business acquisitions and purchases of client lists, net of cash acquired	(38,238)	(9,560)
Purchases of client fund investments	(7,300)	(12,494)
Proceeds from the sales and maturities of client fund investments	7,132	8,865
Proceeds from sales of divested operations	425	106
Decrease in funds held for clients	75,632	76,492
Additions to property and equipment, net	(2,843)	(6,186)
Collection of notes receivable	356	304
Investing cash flows provided by continuing operations	35,164	57,527
Investing cash flows provided by discontinued operations		2,694
Net cash provided by investing activities	35,164	60,221
Cash flows from financing activities:
Proceeds from bank debt	355,200	272,300
Payment of bank debt	(341,400)	(228,700)
Payment on early extinguishment of convertible debt	(760)	(17,172)
Payment for acquisition of treasury stock	(7,957)	(36,482)
Decrease in client funds obligations	(75,540)	(74,400)
Proceeds from exercise of stock options	5,258	6,564
Payment of contingent consideration of acquisitions	(5,807)	(7,806)
Excess tax benefit from exercise of stock awards	859	560
Payment of notes payable	(244)
Deferred financing costs	(6)
Net cash used in financing activities	(70,397)	(85,136)
Net (decrease) increase in cash and cash equivalents	(336)	861
Cash and cash equivalents at beginning of year	850	979
Cash and cash equivalents at end of period	$ 514	$ 1,840