Segment Reporting Textuals (Details) (USD $)	12 Months Ended
	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2009
Restructuring Charges	$ 5,912,000	$ 4,866,000	$ 31,368,000
Restructuring and Related Cost, Cost Incurred to Date	48,600,000
Maximum Customer Percentage	2.00%
U.S. Operations Segment
Restructuring Charges	1,100,000
Restructuring and Related Cost, Cost Incurred to Date	10,400,000
Swiss Operations Segment
Restructuring Charges	500,000
Restructuring and Related Cost, Cost Incurred to Date	2,700,000
Western European Operations Segment
Restructuring Charges	3,100,000
Restructuring and Related Cost, Cost Incurred to Date	26,200,000
Chinese Operations Segment
Restructuring Charges	500,000
Restructuring and Related Cost, Cost Incurred to Date	1,600,000
Other Operations Segment
Restructuring Charges	600,000
Restructuring and Related Cost, Cost Incurred to Date	6,600,000
Eliminations and Corporate Segment
Restructuring Charges	100,000
Restructuring and Related Cost, Cost Incurred to Date	$ 1,100,000