Restructuring Charges Textuals (Details) (USD $)	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Restructuring Charges [Abstract]
Restructuring and Related Cost, Cost Incurred to Date	$ 65,200,000
Restructuring Charges	16,687,000	5,912,000	4,866,000
Payments for Restructuring	$ (12,591,000)	$ (6,297,000)