Summary of Restructuring Reserve Activity (Detail) (USD $) In Millions, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 29, 2012	Oct. 01, 2011	Sep. 29, 2012	Oct. 01, 2011
Restructuring Cost and Reserve [Line Items]
Reserve, Beginning Balance			$ 84.1
Restructuring charges	53.4	14.9	114.1	49.2
Usage			(103.0)
Currency			0.8
Reserve, Ending Balance	96.0		96.0
2012 Actions
Restructuring Cost and Reserve [Line Items]
Reserve, Beginning Balance			0
Restructuring charges			117.5
Usage			(77.0)
Currency			0.5
Reserve, Ending Balance	41.0		41.0
2012 Actions | Severance and related costs
Restructuring Cost and Reserve [Line Items]
Reserve, Beginning Balance			0
Restructuring charges			91.5
Usage			(56.1)
Currency			0.5
Reserve, Ending Balance	35.9		35.9
2012 Actions | Facility closures
Restructuring Cost and Reserve [Line Items]
Reserve, Beginning Balance			0
Restructuring charges			15.2
Usage			(10.1)
Currency			0
Reserve, Ending Balance	5.1		5.1
Pre-2012 Actions
Restructuring Cost and Reserve [Line Items]
Reserve, Beginning Balance			84.1
Restructuring charges	2.5	2.2	(3.4)	2.5
Usage			(26.0)
Currency			0.3
Reserve, Ending Balance	55.0		55.0
Pre-2012 Actions | Severance and related costs
Restructuring Cost and Reserve [Line Items]
Reserve, Beginning Balance			82.4
Restructuring charges			5.9
Usage			(25.8)
Currency			0.3
Reserve, Ending Balance	51.0		51.0
Pre-2012 Actions | Facility closures
Restructuring Cost and Reserve [Line Items]
Reserve, Beginning Balance			1.7
Restructuring charges			2.5
Usage			(0.2)
Currency			0
Reserve, Ending Balance	$ 4.0		$ 4.0