Restructuring and Other Charges - Restructuring Charges By Statement of Income Account (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2013	Mar. 31, 2012
Schedule of restructuring and related costs
Restructuring Charges	$ 9,503	$ 1,723
Cost Of Sales Services [Member]
Schedule of restructuring and related costs
Restructuring Charges	2,624	(669)
Cost Of Sales Products [Member]
Schedule of restructuring and related costs
Restructuring Charges	139	5
Selling and Administrative Expense [Member]
Schedule of restructuring and related costs
Restructuring Charges	5,887	2,387
Research and Development Expense [Member]
Schedule of restructuring and related costs
Restructuring Charges	$ 853	$ 0