Summary of Restructuring and Other Charges (Detail) (USD $) In Millions, unless otherwise specified	3 Months Ended
	Mar. 29, 2013	Mar. 30, 2012
Restructuring Cost and Reserve [Line Items]
Restructuring and other charges	$ 34.7	$ 106.0
Severance and other termination benefits
Restructuring Cost and Reserve [Line Items]
Restructuring and other charges	15.8	24.1
Facility- and Asset-Related Charges
Restructuring Cost and Reserve [Line Items]
Restructuring and other charges	14.7	33.0
Other obligations
Restructuring Cost and Reserve [Line Items]
Restructuring and other charges	4.2	1.2
Accelerated amortization of intangible assets
Restructuring Cost and Reserve [Line Items]
Restructuring and other charges		$ 47.7