Restructuring and Related Activities (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2012	Apr. 02, 2011	Jun. 30, 2012 Belguim [Member]	Apr. 03, 2012 Belguim [Member]	Mar. 31, 2012 Belguim [Member] Y
Long-Lived Assets [Line Items]
Proceeds from Sale of Property, Plant, and Equipment, Total	$ 2,789	$ 1,194	$ 3,400
Gain (Loss) on Sale of Property Plant Equipment, Total	996	959	12,100
Proceeds from sale of long lived assets held for sale				$ 14,200
Period of collection of proceeds from the sale of land					3