Condensed Consolidated Statements of Comprehensive Income Loss (Unaudited) (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2012	Jun. 30, 2011	Jun. 30, 2012	Jun. 30, 2011
Condensed Consolidated Statements of Comprehensive Income [Abstract]
Net income (loss)	$ 2,658	$ (1,217)	$ 3,162	$ (1,021)
Other comprehensive income (loss), net of tax:
Foreign currency translation adjustment	(3,347)	5,308	(894)	6,060
Defined benefit pension plan, net of tax:
Amortization of deferred loss, net of tax of $8 and $0 for the three months ended June 30, 2012 and 2011, respectively; net of tax of $16 and $0 for the six months ended June 30, 2012 and 2011, respectively	46	79	92	152
Amortization of prior service cost, net of tax of $2 and $0 for the three months ended June 30, 2012 and 2011, respectively; net of tax of $4 and $0 for the six months ended June 30, 2012 and 2011, respectively	9	11	18	22
Other comprehensive income (loss), net of tax	(3,292)	5,398	(784)	6,234
Comprehensive income (loss)	$ (634)	$ 4,181	$ 2,378	$ 5,213