Restructuring, Impairment and Other Charges - Restructuring Charges By Statement of Income Account (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2013	Jun. 30, 2012
Schedule of restructuring and related costs
Restructuring Charges	$ 7,555	$ 717	$ 17,058	$ 2,440
Cost Of Sales Services [Member]
Schedule of restructuring and related costs
Restructuring Charges	4,235	(196)	6,859	(865)
Cost Of Sales Products [Member]
Schedule of restructuring and related costs
Restructuring Charges	78	100	217	105
Selling and Administrative Expense [Member]
Schedule of restructuring and related costs
Restructuring Charges	1,629	813	7,516	3,200
Research and Development Expense [Member]
Schedule of restructuring and related costs
Restructuring Charges	$ 1,613	$ 0	$ 2,466	$ 0