Restructuring (Restructuring Activity) (Details) (July 2014 Restructuring Program [Member], USD $)	3 Months Ended	9 Months Ended
	Sep. 26, 2014	Sep. 26, 2014	Dec. 31, 2013
Restructuring Cost and Reserve [Line Items]
Total expected restructuring charges		$ 200,000,000
Restructuring Reserve [Roll Forward]
Beginning balance	28,900,000	28,900,000	0
Net provisions	119,600,000	146,300,000
Net benefits charged against the assets		(116,900,000)
Payments		(500,000)
Foreign currency translation		0
Ending balance	28,900,000	28,900,000	0
Remaining expected restructuring charges		53,700,000
Employee Separation Costs [Member]
Restructuring Cost and Reserve [Line Items]
Total expected restructuring charges		40,000,000
Restructuring Reserve [Roll Forward]
Beginning balance	28,600,000	28,600,000	0
Net provisions		29,000,000
Net benefits charged against the assets		0
Payments		(400,000)
Foreign currency translation		0
Ending balance	28,600,000	28,600,000	0
Remaining expected restructuring charges		11,000,000
Asset-Related Costs [Member]
Restructuring Cost and Reserve [Line Items]
Total expected restructuring charges		130,000,000
Restructuring Reserve [Roll Forward]
Beginning balance	0	0	0
Net provisions		109,200,000
Net benefits charged against the assets		(109,200,000)
Payments		0
Foreign currency translation		0
Ending balance	0	0	0
Remaining expected restructuring charges		20,800,000
Other Restructuring [Member]
Restructuring Cost and Reserve [Line Items]
Total expected restructuring charges		30,000,000
Restructuring Reserve [Roll Forward]
Beginning balance	300,000	300,000	0
Net provisions	4,800,000	8,100,000
Net benefits charged against the assets		(7,700,000)
Payments		(100,000)
Foreign currency translation		0
Ending balance	300,000	300,000	0
Remaining expected restructuring charges		$ 21,900,000