Consolidated Statements of Comprehensive Income (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2013	Jun. 30, 2012
Consolidated Statements of Comprehensive Income
Net income (loss)	$ 7,295	$ (2,071)	$ 12,222	$ 1,298
Other comprehensive income (loss):
Foreign currency translation adjustment	(1,447)	936	(3,270)	70
Reversal of unrealized derivative gain upon cash flow hedge settlement (net of tax expense of $-,$5 and $-,$-)		9
Reclassification of pension liability adjustments to earnings (net of tax expense: $36, $33 and $72, $67)	70	65	139	131
Other comprehensive (loss) income, net of tax:	(1,377)	992	(3,131)	201
Comprehensive income (loss)	$ 5,918	$ (1,079)	$ 9,091	$ 1,499