Assets Held for Sale and Discontinued Operations Discontinued Operations (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended								12 Months Ended
	Dec. 31, 2013	Sep. 30, 2013	Jun. 30, 2013	Mar. 31, 2013	Dec. 31, 2012	Sep. 30, 2012	Jun. 30, 2012	Mar. 31, 2012	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Assets Held for Sale and Discontinued Operations [Abstract]
Net Sales	$ 12,142	$ 13,361	$ 13,836	$ 13,353	$ 11,773	$ 16,087	$ 15,371	$ 15,230	$ 52,692	$ 58,461	$ 60,414
Other income (loss), net									40	115	(78)
Cost of products sold									41,181	45,277	48,544
Selling, general and administrative									7,389	8,376	8,588
Interest expense									0	17	1
Currency exchange losses, net									(325)	(41)	(540)
Income from discontinued operations before income taxes									4,487	4,947	3,743
Provision for income taxes									1,426	1,128	966
Income from discontinued operations, net of tax									$ 3,061	$ 3,819	$ 2,777