Provision For Restructuring (Narrative) (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 28, 2015	Jun. 29, 2014	Jun. 28, 2015	Jun. 29, 2014
Restructuring Cost and Reserve [Line Items]
Restructuring expense	$ 284	$ 341	$ 1,588	$ 2,233
Profit Enhancement Plan
Restructuring Cost and Reserve [Line Items]
Restructuring expense			1,700
Restructuring related cost incurred to date	7,000		$ 7,000
Profit Enhancement Plan | Minimum
Restructuring Cost and Reserve [Line Items]
Termination benefits, expected payment period			1 month
Profit Enhancement Plan | Maximum
Restructuring Cost and Reserve [Line Items]
Termination benefits, expected payment period			24 months
Profit Enhancement Plan | Other exit costs
Restructuring Cost and Reserve [Line Items]
Restructuring expense			$ 200
Global Restructuring Plan (including LEAN)
Restructuring Cost and Reserve [Line Items]
Restructuring expense			(100)
Restructuring related cost incurred to date	$ 60,000		$ 60,000
Global Restructuring Plan (including LEAN) | Minimum
Restructuring Cost and Reserve [Line Items]
Termination benefits, expected payment period			1 month
Global Restructuring Plan (including LEAN) | Maximum
Restructuring Cost and Reserve [Line Items]
Termination benefits, expected payment period			24 months
Global Restructuring Plan (including LEAN) | Other exit costs
Restructuring Cost and Reserve [Line Items]
Restructuring expense			$ 11