Income Taxes (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Current:
Federal	$ (496)	$ 36	$ (1,054)
State and local	70	280	250
Foreign	4,148	5,816	6,224
Total current income tax expense (benefit)	3,722	6,132	5,420
Deferred:
Federal	3,396	4,528	22,713
State and local	611	647	3,247
Foreign	(1,301)	(283)	940
Total deferred income tax expense (benefit)	2,706	4,892	26,900
Income tax expense	6,428	11,024	32,320
U.S. and foreign income (loss) from continuing operations before income taxes
United States	(3,487)	(5,058)	(49,104)
Foreign	2,308	12,009	29,073
INCOME (LOSS) FROM CONTINUING OPERATIONS BEFORE INCOME TAXES	(1,179)	6,951	(20,031)
Reconciliation of income tax expense (benefit) to amounts computed by applying the statutory U.S. Federal income tax rate to income (loss) before income taxes
Income tax expense (benefit) at the federal statutory rate of 35%	(413)	2,433	(7,011)
Federal statutory rate (as a percent)	35.00%	35.00%	35.00%
Increase (decrease) resulting from:
State income taxes, net of federal income tax benefit	443	927	3,497
Non-deductible other costs	1,329	1,678	1,489
Goodwill impairment	0	0	1,811
Valuation allowance	6,752	8,039	27,028
Foreign cash repatriation	(2,783)	0	10,500
Impact of foreign tax	(1,002)	(2,347)	(3,425)
Provision for uncertain tax position	2,208	1,064	(880)
Other	(106)	(770)	(689)
Income tax expense	6,428	11,024	32,320
Deferred tax assets:
Accrued expenses	9,904	9,637
Federal tax credit carryforwards	15,837	6,884
U.S. net operating loss (NOL) carryforwards	13,206	15,967
Foreign NOL carryforwards	7,500	10,198
Other	6,445	4,154
Total gross deferred tax assets	52,892	46,840
Less valuation allowance	(51,160)	(44,296)
Deferred tax assets, net	1,732	2,544
Deferred tax liabilities:
Goodwill	(23,914)	(19,906)
Other	(883)	(2,937)
Total gross deferred tax liabilities	(24,797)	(22,843)
Net deferred tax liability	(23,065)	(20,299)
Balance sheet classification of deferred taxes:
Deferred tax asset — current	818	1,890
Deferred tax asset — long-term	913	122
Deferred tax liability — current	(886)	(463)
Deferred tax liability — long-term	$ (23,910)	$ (21,848)