Provision For Restructuring (Narrative) (Details) (USD $)	3 Months Ended
	Mar. 29, 2015	Mar. 30, 2014
Restructuring Cost and Reserve [Line Items]
Restructuring expenses	$ 1,304,000	$ 1,892,000
Profit Enhancement Plan
Restructuring Cost and Reserve [Line Items]
Restructuring expenses	1,393,000
Restructuring related cost incurred to date	6,700,000
Profit Enhancement Plan | Maximum
Restructuring Cost and Reserve [Line Items]
Termination benefits, expected payment period	24 months
Profit Enhancement Plan | Minimum
Restructuring Cost and Reserve [Line Items]
Termination benefits, expected payment period	1 month
Global Restructuring Plan (including LEAN)
Restructuring Cost and Reserve [Line Items]
Restructuring expenses	(89,000)
Restructuring related cost incurred to date	60,000,000
Global Restructuring Plan (including LEAN) | Maximum
Restructuring Cost and Reserve [Line Items]
Termination benefits, expected payment period	24 months
Global Restructuring Plan (including LEAN) | Minimum
Restructuring Cost and Reserve [Line Items]
Termination benefits, expected payment period	1 month
Global Restructuring Plan (including LEAN) | Other exit costs
Restructuring Cost and Reserve [Line Items]
Restructuring expenses	$ 47,000