Provision For Restructuring (Schedule Of Restructuring Expense) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
Mar. 29, 2015	Mar. 30, 2014
Restructuring Cost and Reserve [Line Items]
Asset impairments	$ 0	$ 172
Total	1,304us-gaap_RestructuringCharges	1,892us-gaap_RestructuringCharges
Profit Enhancement Plan
Restructuring Cost and Reserve [Line Items]
Severance and other employee-related charges	1,346	0
Other exit costs	47	0
Total	1,393
Global Restructuring Plan (including LEAN)
Restructuring Cost and Reserve [Line Items]
Severance and other employee-related charges	(89)	1,572
Asset impairments	0	172
Other exit costs	0	143
Total	(89)
SG&A Restructuring Plan
Restructuring Cost and Reserve [Line Items]
Severance and other employee-related charges	$ 0	$ 5

Amount of other expenses associated with exit or disposal activities pursuant to an authorized plan. Excludes expenses associated with a discontinued operation or an asset retirement obligation.

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Amount of expenses associated with exit or disposal activities pursuant to an authorized plan. Excludes expenses related to a discontinued operation or an asset retirement obligation.

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- Definition

Amount of expenses for special or contractual termination benefits provided to current employees involuntarily terminated under a benefit arrangement associated exit or disposal activities pursuant to an authorized plan. Excludes expenses related to one-time termination benefits, a discontinued operation or an asset retirement obligation.

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