Restructuring Expenses and Other Exit Costs (Details 1) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2011	Jan. 01, 2011	Jan. 02, 2010
Changes in liabilities related to restructuring expenses and other exit costs
Beginning Balance	$ 3,582	$ 3,572	$ 5,925
Restructuring charges for the period	20,919	8,883	11,921
Cash reductions Settled with cash	(15,454)		(14,402)
Non-cash changes and foreign currency effects	113	(51)	128
Ending Balance	$ 9,160	$ 3,582	$ 3,572