Consolidated Statements Of Cash Flows - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Operating activities:
Net income (loss)	$ (37,086)	$ 3,017	$ 12,948
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	11,679	10,717	10,346
Deferred income taxes	10,603	(5,332)	1,986
Share-based compensation	2,355	2,708	2,827
Impairment	21,537	14,653	0
Loss on disposition	310	0	0
(Gain)/loss on disposal of assets, net	(764)	306	317
Changes in operating assets and liabilities:
Accounts receivable, net	17,183	5,753	(9,301)
Prepaid expenses and other current assets	(3,155)	(1,273)	2,488
Accounts payable	(1,528)	(6,962)	(4,751)
Increase (Decrease) in Employee Related Liabilities	(1,504)	(10,065)	2,704
Accrued expenses and other current liabilities	2,391	(1,066)	1,119
Income taxes receivable/payable	(5,350)	2,123	(3,505)
Other non-current assets	(2,180)	339	388
Other non-current liabilities	(226)	(130)	(1,466)
Net cash provided by operating activities	14,265	14,788	16,100
Investing activities:
Additions to property and equipment	(7,940)	(8,774)	(7,529)
Acquisitions, net of cash acquired	32,174	0	0
Proceeds from disposition	430	0	0
Proceeds from sale of assets	1,236	75	142
Net cash used in investing activities	(38,448)	(8,699)	(7,387)
Financing activities:
Dividends paid to shareholders	(10,235)	(10,176)	(7,589)
Payment of acquisition earnout	0	(187)	0
Borrowings on credit facilities	88,677	115,544	77,619
Repayments on credit facilities	(70,967)	(116,893)	(77,405)
Payment of debt issuance costs	(1,437)	0	0
Change in book overdraft	0	(1,709)	1,709
Common shares withheld for taxes	(302)	(498)	(858)
Excess tax benefit from share-based compensation awards	52	148	143
Net cash provided by (used in) financing activities	5,788	(13,771)	(6,381)
Effect of exchange rate changes on cash and cash equivalents	(997)	(1,473)	(505)
Net increase (decrease) in cash and cash equivalents	(19,392)	(9,155)	1,827
Cash and cash equivalents at beginning of period	36,324	45,479	43,652
Cash and cash equivalents at end of period	16,932	36,324	45,479
Supplemental disclosure of cash flow information:
Cash paid for interest	291	147	133
Cash paid for income taxes, net	$ 3,259	$ 4,845	$ 9,384