Restructuring, Impairment and Other Charges - Restructuring Charges By Statement of Income Account (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013	Sep. 30, 2012
Schedule of restructuring and related costs
Restructuring Charges	$ 4,346	$ 2,462	$ 21,404	$ 4,902
Cost Of Sales Services [Member]
Schedule of restructuring and related costs
Restructuring Charges	2,124	956	8,983	91
Cost Of Sales Products [Member]
Schedule of restructuring and related costs
Restructuring Charges	212	(2,064)	429	(1,959)
Selling and Administrative Expense [Member]
Schedule of restructuring and related costs
Restructuring Charges	1,859	2,454	9,375	5,654
Research and Development Expense [Member]
Schedule of restructuring and related costs
Restructuring Charges	$ 151	$ 1,116	$ 2,617	$ 1,116