Summary of Restructuring and Other Charges (Detail) (USD $) In Millions, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 28, 2013	Jun. 29, 2012	Jun. 28, 2013	Jun. 29, 2012
Restructuring Cost and Reserve [Line Items]
Restructuring and other charges	$ 0.5	$ 0.9	$ 35.2	$ 106.9
Severance and other termination benefits
Restructuring Cost and Reserve [Line Items]
Restructuring and other charges	0.4	(2.0)	16.2	22.1
Facility- and Asset-Related Charges
Restructuring Cost and Reserve [Line Items]
Restructuring and other charges		2.9	14.7	35.9
Other obligations
Restructuring Cost and Reserve [Line Items]
Restructuring and other charges	0.1		4.3	1.2
Accelerated amortization of intangible assets
Restructuring Cost and Reserve [Line Items]
Restructuring and other charges				$ 47.7