UNAUDITED CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014
Cash flows from operating activities:
Net income	$ 17,378	$ 16,952
Adjustments to reconcile net income to cash provided by operating activities:
Deferred income tax provision, net	1,270	1,752
Provision for bad debts on accounts receivable	1,403	921
Depreciation and amortization	4,828	4,763
Stock-based compensation expense	2,913	1,404
Pension and post-retirement benefit plans expense	968	932
Amortization of deferred financing costs	61	(135)
Excess tax benefit attributable to stock-based compensation	(311)	(33)
Deferred compensation liability increase, net	664	968
Gain on cash surrender value of Company-owned life insurance	(529)	(918)
Gain from Company-owned life insurance proceeds	0	(849)
Contingent consideration liability remeasurement	524	0
Other	63	0
(Increase) decrease in operating assets
Trade receivables, net	(11,977)	(22,781)
Income tax refund receivable	1,317	3,190
Prepaid expenses and other current assets	(205)	(1,709)
Other assets, net	(260)	77
Increase in operating liabilities
Accounts payable and other current liabilities	2,368	1,948
Accrued payroll costs	3,854	3,184
Income taxes payable	1,052	2,402
Other long-term liabilities	622	71
Cash provided by operating activities	26,003	12,139
Cash flows from investing activities:
Capital expenditures	(3,604)	(3,099)
Proceeds from the disposition of assets held within the Rabbi Trust	445	1,373
Purchase of assets held within the Rabbi Trust	(481)	(1,400)
Proceeds from Company-owned life insurance	0	1,037
Cash used in investing activities	(3,640)	(2,089)
Cash flows from financing activities:
Proceeds from bank line of credit	316,481	315,569
Payments on bank line of credit	(316,193)	(296,429)
Payments of capital expenditure financing	(630)	(646)
Short-term vendor financing	1,579	(320)
Proceeds from exercise of stock options	381	702
Excess tax benefit attributable to stock-based compensation	311	33
Payment of loan financing fees	0	(35)
Repurchases of common stock	(17,678)	(21,984)
Cash dividend	(6,201)	(6,519)
Cash used in financing activities	(21,950)	(9,629)
Change in cash and cash equivalents	413	421
Cash and cash equivalents at beginning of period	1,238	875
Cash and cash equivalents at end of period	$ 1,651	$ 1,296