Summary of Restructuring Reserve Activity (Detail) (USD $) In Millions, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2012	Jul. 02, 2011	Jun. 30, 2012	Jul. 02, 2011
Restructuring Cost and Reserve [Line Items]
Reserve, Beginning Balance			$ 84.1
Restructuring charges	23.3	21.0	60.7	34.3
Usage			(62.7)
Currency			(1.7)
Reserve, Ending Balance	80.4		80.4
2012 Actions
Restructuring Cost and Reserve [Line Items]
Reserve, Beginning Balance			0
Restructuring charges			63.8
Usage			(30.1)
Currency			(1.1)
Reserve, Ending Balance	32.6		32.6
2012 Actions | Severance and related costs
Restructuring Cost and Reserve [Line Items]
Reserve, Beginning Balance			0
Restructuring charges			51.1
Usage			(25.3)
Currency			(1.1)
Reserve, Ending Balance	24.7		24.7
2012 Actions | Facility closures
Restructuring Cost and Reserve [Line Items]
Reserve, Beginning Balance			0
Restructuring charges			12.7
Usage			(4.8)
Currency			0
Reserve, Ending Balance	7.9		7.9
Pre-2012 Actions
Restructuring Cost and Reserve [Line Items]
Reserve, Beginning Balance			84.1
Restructuring charges			(3.1)
Usage			(32.6)
Currency			(0.6)
Reserve, Ending Balance	47.8		47.8
Pre-2012 Actions | Severance and related costs
Restructuring Cost and Reserve [Line Items]
Reserve, Beginning Balance			82.4
Restructuring charges			(3.4)
Usage			(32.1)
Currency			(0.6)
Reserve, Ending Balance	46.3		46.3
Pre-2012 Actions | Facility closures
Restructuring Cost and Reserve [Line Items]
Reserve, Beginning Balance			1.7
Restructuring charges			0.3
Usage			(0.5)
Currency			0
Reserve, Ending Balance	$ 1.5		$ 1.5