Provision For Restructuring (Schedule Of Restructuring Expense) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 28, 2014	Sep. 29, 2013	Sep. 28, 2014	Sep. 29, 2013
Restructuring Cost and Reserve [Line Items]
Asset impairments			$ 172	$ 731
Total	459	937	2,692	4,582
Profit Enhancement Plan
Restructuring Cost and Reserve [Line Items]
Severance and other employee-related charges	925	0	925	0
Other exit costs	9	0	9	0
Total	900		900
Global Restructuring Plan (including LEAN)
Restructuring Cost and Reserve [Line Items]
Severance and other employee-related charges	(485)	658	1,359	1,943
Asset impairments	0	0	172	731
Other exit costs	10	323	252	1,940
Total			1,800
SG&A Restructuring Plan
Restructuring Cost and Reserve [Line Items]
Severance and other employee-related charges	0	(67)	(25)	(82)
Other exit costs	0	23	0	50
Total			$ (25)