Consolidated Statements of Cash Flows - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
CASH FLOWS FROM OPERATING ACTIVITIES
Consolidated net income (loss)	$ 3,310	$ (19,549)	$ (14,531)
Adjustments to reconcile consolidated net income (loss) to net cash provided by (used in) operating activities:
Loss from discontinued operations	282	792	6,924
Depreciation	5,482	5,552	5,797
Amortization of intangible assets	332	192	0
Deferred income tax expense	3,648	2,916	2,706
Provision for doubtful receivables	311	730	1,813
Share-based compensation expense	7,870	11,405	11,746
Amortization of debt costs	760	571	798
Other, net	1,166	2,191	470
Changes in operating assets and liabilities, net of acquisitions:
Accounts receivable	(4,179)	3,029	2,401
Other current and long-term assets	(9,202)	(1,184)	1,337
Accounts payable	2,731	220	3,786
Accrued compensation and related liabilities	(22,372)	(6,202)	845
Other current and long-term liabilities	(19,628)	7,002	5,868
Income taxes payable/refundable	3,589	(5,713)	(4,745)
Cash provided by (used in) operating activities — continuing operations	(25,900)	1,952	25,215
Cash used in operating activities — discontinued operations	(609)	(766)	(1,273)
Cash provided by (used in) operating activities	(26,509)	1,186	23,942
CASH FLOWS FROM INVESTING ACTIVITIES
Acquisition	0	(845)	0
Purchases of property and equipment, net	(12,158)	(8,178)	(5,213)
Cash used in investing activities — continuing operations	(12,158)	(9,023)	(5,213)
Cash used in investing activities — discontinued operations	0	0	(313)
Cash used in investing activities	(12,158)	(9,023)	(5,526)
CASH FLOWS FROM FINANCING ACTIVITIES
Borrowings on long-term debt	329,959	330,928	302,135
Payments on long-term debt	(307,767)	(319,137)	(328,354)
Employee stock purchases and options exercised	1,365	5,097	2,449
Purchase of shares for employee tax withholdings	(1,600)	(3,596)	(1,840)
Purchases of treasury stock	(1,665)	0	0
Payment of initial fair value of acquisition-related contingent consideration	0	0	(3,428)
Purchase of noncontrolling interests	(4,992)	(708)	(800)
Other, net	(216)	0	(95)
Cash provided by (used in) financing activities — continuing operations	15,084	12,584	(29,933)
Effect of foreign exchange rate changes on cash and cash equivalents	(1,871)	(3,372)	(2,849)
Net increase (decrease) in cash and cash equivalents	(25,454)	1,375	(14,366)
Cash and cash equivalents, beginning of period	45,858	44,483	58,849
Cash and cash equivalents, end of period	$ 20,404	$ 45,858	$ 44,483