Provision For Restructuring (Schedule Of Restructuring Expense) (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 29, 2015	Mar. 30, 2014
Restructuring Cost and Reserve [Line Items]
Asset impairments	$ 0	$ 172
Total	1,304	1,892
Profit Enhancement Plan
Restructuring Cost and Reserve [Line Items]
Severance and other employee-related charges	1,346	0
Other exit costs	47	0
Total	1,400
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	(100)
SG&A Restructuring Plan
Restructuring Cost and Reserve [Line Items]
Severance and other employee-related charges	$ 0	$ 5