Consolidated Statements Of Cash Flows - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Operating activities:
Net income (loss)	$ (31,573)	$ (37,086)	$ 3,017
Adjustments to reconcile net income (loss) to net cash provided by operating activities:
Depreciation and amortization	10,300	11,679	10,717
Deferred income taxes	3,602	10,603	(5,332)
Share-based compensation	2,242	2,355	2,708
Impairment	0	21,537	14,653
Loss on disposition of business interests	11,301	310	0
(Gain)/loss on disposal of assets, net	261	(764)	306
Changes in operating assets and liabilities:
Accounts receivable, net	8,576	17,183	5,753
Prepaid expenses and other current assets	1,652	(3,155)	(1,273)
Accounts payable	3,148	(1,528)	(6,962)
Increase (Decrease) in Employee Related Liabilities	829	(1,504)	(10,065)
Accrued expenses and other current liabilities	(2,858)	2,391	(1,066)
Income taxes receivable/payable	483	(5,350)	2,123
Other non-current assets	2,866	(2,180)	339
Other non-current liabilities	2,664	(226)	(130)
Net cash provided by operating activities	13,493	14,265	14,788
Investing activities:
Additions to property and equipment	(7,591)	(7,940)	(8,774)
Acquisitions, net of cash acquired	2,108	32,174	0
Proceeds from disposition of business interests, net of cash disposed	5,849	430	0
Proceeds from sale of assets	45	1,236	75
Net cash used in investing activities	(3,805)	(38,448)	(8,699)
Financing activities:
Dividends paid to shareholders	0	(10,235)	(10,176)
Payments for Repurchase of Common Stock	(7,255)	0	0
Payment of acquisition earnout	0	0	(187)
Borrowings on credit facilities	167,877	88,677	115,544
Repayments on credit facilities	(186,519)	(70,967)	(116,893)
Payment of debt issuance costs	(28)	(1,437)	0
Change in book overdraft	2,867	0	(1,709)
Common shares withheld for taxes	(288)	(302)	(498)
Excess tax benefit from share-based compensation awards	0	52	148
Net cash provided by (used in) financing activities	(23,346)	5,788	(13,771)
Effect of exchange rate changes on cash and cash equivalents	(109)	(997)	(1,473)
Net decrease in cash and cash equivalents	(13,767)	(19,392)	(9,155)
Cash and cash equivalents at beginning of period	16,932	36,324	45,479
Cash and cash equivalents at end of period	3,165	16,932	36,324
Supplemental disclosure of cash flow information:
Cash paid for interest	712	291	147
Cash paid (received) for income taxes, net of refunds	(4,118)	3,259	4,845
Non-cash investing activities:
Property and equipment acquired through tenant improvement allowance	$ 2,628	$ 0	$ 0