Condensed Consolidated Statements of Comprehensive Income Loss (Unaudited) (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2013	Jun. 30, 2012
Statement of Other Comprehensive Income [Abstract]
Net income	$ 3,405	$ 31	$ 3,127	$ (921)
Other comprehensive income (loss), net of tax:
Foreign currency translation adjustment	424	(3,347)	(2,420)	(894)
Defined benefit pension plan, net of tax:
Amortization of deferred loss, net of tax benefit of $7 and $8 for the three months ended June 30, 2013 and 2012, respectively; net of tax benefit of $14 and $16 for the six months ended June 30, 2013 and 2012, respectively	54	46	109	92
Amortization of prior service cost, net of tax benefit of $2 for both the three months ended June 30, 2013 and 2012; net of tax benefit of $4 for both the six months ended June 30, 2013 and 2012	9	9	18	18
Other comprehensive income (loss), net of tax	487	(3,292)	(2,293)	(784)
Comprehensive income (loss)	$ 3,892	$ (3,261)	$ 834	$ (1,705)