Schedule II - Valuation and Qualifying Accounts (Details 1) (Valuation Allowance of Deferred Tax Assets [Member], USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2012		Dec. 31, 2011		Dec. 31, 2010
Valuation Allowance of Deferred Tax Assets [Member]
Movement in Valuation Allowances and Reserves [Roll Forward]
Allowance, Beginning Balance	$ 16,681		$ 30,036		$ 29,682
Additions charged to income tax expense	2,154		93		1,893
Additions (reductions) charged to other comprehensive income	205		466		(149)
Reductions credited to income tax expense	(1,676)		(1,628)		(1,533)
Changes due to foreign currency translation	728		(521)		143
Divestiture			(11,765)	[1]
Acquisition	6,844	[2]
Allowance, Ending Balance	$ 24,936		$ 16,681		$ 30,036

[1] The reduction in 2011 reflects the valuation allowance recorded at the Barnes Distribution Europe businesses which were sold in the fourth quarter of 2011.

[2] The increase in 2012 reflects the valuation allowance recorded at the Synventive business which was acquired in the third quarter of 2012.