Financial Instruments (Effective Portion Of Pre-Tax Gains (Losses) On Derivative Instruments) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended				9 Months Ended
	Sep. 28, 2013		Sep. 29, 2012		Sep. 28, 2013		Sep. 29, 2012
Derivative Instruments, Gain (Loss) [Line Items]
Pre-tax gains (losses) on derivative instruments							$ (137)
Fair Value Hedges [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Pre-tax gains (losses) on derivative instruments	(8)	[1]	(31)	[1]			(137)	[1]
Cash Flow Hedges [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Effective portion recognized in other comprehensive income	14		57		162		152
Effective portion reclassified from other comprehensive income	$ (14)	[2]	$ (36)	[2]	$ (88)	[2]	$ (108)	[2]

[1] Included in discontinued operations

[2] Included in interest expense