Restructuring and Other Charges (Details) (USD $) In Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2011	Jun. 30, 2010	Jun. 30, 2011	Jun. 30, 2010
Schedule of restructuring and related costs
Restructuring Charges	$ 4,485	$ 1,194	$ 16,286	$ 2,310
Cost Of Sales Products [Member]
Schedule of restructuring and related costs
Restructuring Charges	251	696	374	482
Cost Of Sales Services [Member]
Schedule of restructuring and related costs
Restructuring Charges	2,555	(524)	8,629	(210)
Selling and Administrative Expense [Member]
Schedule of restructuring and related costs
Restructuring Charges	1,667	1,079	7,271	2,236
Research Development and Engineering Expense [Member]
Schedule of restructuring and related costs
Restructuring Charges	$ 12	$ (57)	$ 12	$ (198)