Provision For Restructuring (Narrative) (Details) (USD $)	12 Months Ended
	Dec. 28, 2014	Dec. 29, 2013	Dec. 30, 2012
Restructuring Cost and Reserve [Line Items]
Restructuring expenses	$ 6,654,000	$ 10,866,000	$ 28,438,000
Combined Global and SG&A Restructuring Plans
Restructuring Cost and Reserve [Line Items]
Costs incurred	78,000,000
SG&A Restructuring Plan
Restructuring Cost and Reserve [Line Items]
Costs incurred	18,000,000
Restructuring expenses	(7,000)
Total number of employees affected by restructuring	369
Global Restructuring Plan
Restructuring Cost and Reserve [Line Items]
Costs incurred	60,300,000
Restructuring expenses	1,400,000
Profit Enhancement Plan
Restructuring Cost and Reserve [Line Items]
Restructuring expenses	$ 5,300,000
Global Restructuring Plan
Restructuring Cost and Reserve [Line Items]
Total number of employees affected by restructuring	2,250
Number of employees terminated	2,244
Minimum
Restructuring Cost and Reserve [Line Items]
Restructuring and related costs, termination benefits, expected payment period	1 month
Minimum | Combined Global and SG&A Restructuring Plans
Restructuring Cost and Reserve [Line Items]
Total number of employees impacted by restructuring	2,600
Minimum | SG&A Restructuring Plan
Restructuring Cost and Reserve [Line Items]
Restructuring and related costs, termination benefits, expected payment period	1 month
Maximum
Restructuring Cost and Reserve [Line Items]
Restructuring and related costs, termination benefits, expected payment period	24 months
Maximum | SG&A Restructuring Plan
Restructuring Cost and Reserve [Line Items]
Restructuring and related costs, termination benefits, expected payment period	24 months