Fair Value Of Financial Instruments (Effective Portion Of Pre-Tax Gains (Losses) On Derivative Instruments) (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 29, 2012		Dec. 31, 2011		Jan. 01, 2011
Derivative Instruments, Gain (Loss) [Line Items]
Pre-tax gains (losses) on derivative instruments	$ 100		$ 24		$ (154)
Foreign Exchange Contracts [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Pre-tax gains (losses) on derivative instruments	100		24
Cash Flow Hedges [Member] | Interest Rate Swaps [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Effective portion recognized in other comprehensive income	228		253
Effective portion reclassified from other comprehensive income	(147)	[1]	(239)	[1]
Derivatives Not Designated As Hedging Instruments [Member] | Fair Value Hedges [Member] | Foreign Exchange Contracts [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Pre-tax gains (losses) on derivative instruments	$ 100	[2]	$ 24	[2]

[1] Included in interest expense

[2] Included in selling, general and administrative expenses