Accounting Policies (Schedule Of Changes In Product Warranty Liability) (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Jan. 03, 2014	Dec. 28, 2012
Movement in Standard Product Warranty Accrual [Roll Forward]
Beginning Balance	$ 17,066	$ 18,444
Acquired warranties	154	62
Accruals for warranties issued	20,356	21,909
Changes in estimates	402	(1,091)
Warranty settlements (in cash or in kind)	(20,197)	(22,258)
Ending Balance	$ 17,781	$ 17,066