Restructuring Costs Restructing Costs (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 29, 2012	Dec. 31, 2011	Jan. 01, 2011	Jan. 02, 2010
Restructuring Cost and Reserve [Line Items]
Restructuring Reserve	$ 850	$ 1,064	$ 2,242	$ 4,526
Restructuring Charges	99	(50)	(261)
Payments for Restructuring	(313)	(1,128)	(2,023)
Restructuring and Related Cost, Cost Incurred to Date	20,223
Facility Closing [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring Reserve	692	904	1,949	3,936
Restructuring Charges	91	(69)	(216)
Payments for Restructuring	(303)	(976)	(1,771)
Employee Severance [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring Reserve	158	160	293	590
Restructuring Charges	8	19	(45)
Payments for Restructuring	$ (10)	$ (152)	$ (252)