Consolidated Statements of Comprehensive Income (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013	Sep. 30, 2012
Consolidated Statements of Comprehensive Income
Net income (loss)	$ 9,793	$ 8,225	$ 22,015	$ 9,524
Other comprehensive income (loss):
Foreign currency translation adjustment	1,480	861	(1,790)	1,731
Unrealized derivative loss on cash flow hedges (net of tax expense of $-,$18 and $-,$18)		(29)		(29)
Reclassification of pension liability adjustments to earnings (net of tax expense: $36, $33 and $72, $67)	72	66	211	197
Other comprehensive (loss) income, net of tax:	1,552	956	(1,579)	1,957
Comprehensive income (loss)	$ 11,345	$ 9,181	$ 20,436	$ 11,481