Restructuring and Other Charges - Restructuring Charges By Statement of Income Account (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2014	Mar. 31, 2013
Schedule of restructuring and related costs
Restructuring Charges	$ 5,137	$ 9,503
Cost Of Sales Services [Member]
Schedule of restructuring and related costs
Restructuring Charges	700	2,624
Cost Of Sales Products [Member]
Schedule of restructuring and related costs
Restructuring Charges	14	139
Selling and Administrative Expense [Member]
Schedule of restructuring and related costs
Restructuring Charges	4,465	5,887
Research and Development Expense [Member]
Schedule of restructuring and related costs
Restructuring Charges	$ (42)	$ 853