UNAUDITED CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2017	Sep. 30, 2016
Cash flows from operating activities:
Net income	$ 27,145	$ 23,534
Adjustments to reconcile net income to cash provided by operating activities:
Deferred income tax provision, net	3,978	1,353
Provision for bad debts on accounts receivable	896	575
Depreciation and amortization	6,373	6,702
Stock-based compensation expense	5,667	5,042
Defined benefit pension plans expense	692	1,398
Loss on deferred compensation plan investments, net	339	411
Gain on sale of Global's assets	(3,148)	0
Other	745	179
(Increase) decrease in operating assets
Trade receivables, net	(38,378)	(11,072)
Income tax refund receivable	(1,721)	(214)
Prepaid expenses and other current assets	(2,071)	(2,672)
Other assets, net	(544)	24
(Decrease) increase in operating liabilities
Accounts payable and other current liabilities	(1,321)	(2,114)
Accrued payroll costs	8,506	6,822
Income taxes payable	265	509
Other long-term liabilities	(1,774)	(813)
Cash provided by operating activities	5,649	29,664
Cash flows from investing activities:
Capital expenditures	(5,424)	(9,409)
Proceeds from sale of Global's assets	1,000	0
Cash used in investing activities	(4,424)	(9,409)
Cash flows from financing activities:
Proceeds from credit facility	887,293	677,788
Payments on credit facility	(872,740)	(656,930)
Proceeds from other financing arrangements	0	856
Payments on other financing arrangements	(1,582)	(1,371)
Proceeds from exercise of stock options	72	172
Payments of loan financing fees	(1,696)	(158)
Repurchases of common stock	(4,226)	(31,787)
Cash dividend	(9,125)	(9,397)
Cash used in financing activities	(2,004)	(20,827)
Change in cash and cash equivalents	(779)	(572)
Cash and cash equivalents at beginning of period	1,482	1,497
Cash and cash equivalents at end of period	$ 703	$ 925