Consolidated Statement Of Shareholders' Equity (USD $) In Thousands	Common Stock [Member]	Additional Paid-In Capital [Member]	Retained Earnings [Member]	Accumulated Other Comprehensive (Loss) Income [Member]	Treasury Stock [Member]	Total
Balance, value at Dec. 31, 2012	$ 309	$ 240,107	$ 242,082	$ (1,575)	$ (4,101)	$ 476,822
Balance, shares at Dec. 31, 2012	30,938				350
Net loss			(3,647)			(3,647)
Foreign currency translation adjustment				(3,097)		(3,097)
Adjustment to pension benefit liability, net of taxes of $2				2		2
Adjustment to post-retirement healthcare benefit liability, net of taxes of $25				38		38
Stock compensation expense		973				973
Excess tax benefit from compensation		83				83
Stock options exercised, shares	31
Stock options exercised, value		327				327
Net settlement of restricted stock units, shares	102				39
Net settlement of restricted stock units, value	1	(1)			(636)	(636)
Balance, value at Mar. 31, 2013	$ 310	$ 241,489	$ 238,435	$ (4,632)	$ (4,737)	$ 470,865
Balance, shares at Mar. 31, 2013	31,071				389