Business Segment Information (Details) (Textual 1)	12 Months Ended
	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2009
Airbus S.A.S [Member]
Revenue, Major Customer [Line Items]
European sales, percentage	18.00%	17.00%	17.00%
Boeing Company [Member]
Revenue, Major Customer [Line Items]
European sales, percentage	15.00%	15.00%	16.00%
U S Government [Member]
Revenue, Major Customer [Line Items]
European sales, percentage	23.00%	25.00%	22.00%