UNAUDITED CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2016	Jun. 30, 2015
Cash flows from operating activities:
Net income	$ 14,514	$ 17,378
Adjustments to reconcile net income to cash provided by operating activities:
Deferred income tax provision, net	2,199	1,270
Provision for bad debts on accounts receivable	774	1,403
Depreciation and amortization	4,600	4,828
Stock-based compensation expense	3,706	2,913
Defined benefit pension plans expense	954	968
Excess tax benefit attributable to stock-based compensation	(294)	(311)
Loss on deferred compensation plan investments, net	303	135
Contingent consideration liability remeasurement	0	524
Other	124	124
(Increase) decrease in operating assets
Trade receivables, net	(17,498)	(11,977)
Income tax refund receivable	(440)	1,317
Prepaid expenses and other current assets	(3,694)	(205)
Other assets, net	83	(260)
Increase (decrease) in operating liabilities
Accounts payable and other current liabilities	1,097	2,368
Accrued payroll costs	8,620	3,854
Income taxes payable	1,125	1,052
Other long-term liabilities	(516)	622
Cash provided by operating activities	15,657	26,003
Cash flows from investing activities:
Capital expenditures	(3,182)	(3,604)
Proceeds from the disposition of assets held within the Rabbi Trust	0	445
Purchase of assets held within the Rabbi Trust	0	(481)
Cash used in investing activities	(3,182)	(3,640)
Cash flows from financing activities:
Proceeds from credit facility	455,028	316,481
Payments on credit facility	(439,715)	(316,193)
Proceeds from other financing arrangements	856	0
Payments on other financing arrangements	(937)	(630)
Proceeds from exercise of stock options	172	381
Excess tax benefit attributable to stock-based compensation	294	311
Payments of loan financing fees	(144)	0
Repurchases of common stock	(22,185)	(17,678)
Cash dividend	(6,298)	(6,201)
Other	0	1,579
Cash used in financing activities	(12,929)	(21,950)
Change in cash and cash equivalents	(454)	$ 413
Cash and cash equivalents at beginning of period	1,497
Cash and cash equivalents at end of period	$ 1,043