Fair Value of Outstanding Foreign Currency Derivative Contracts and Related Classification in Condensed Consolidated Balance Sheets (Detail) (Foreign Exchange Contract, USD $) In Millions, unless otherwise specified	Mar. 30, 2013	Dec. 31, 2012
Contracts balance sheet classification:
Derivative assets (liabilities), at fair value	$ 28.0	$ 19.9
Designated as Hedging Instrument
Contracts balance sheet classification:
Other current assets	32.8	22.3
Other long-term assets	2.6	0.5
Other current liabilities	(5.1)	(2.8)
Other long-term liabilities	(0.4)	(0.1)
Derivative assets (liabilities), at fair value	29.9	19.9
Not Designated as Hedging Instrument
Contracts balance sheet classification:
Other current assets	0.6	0.1
Other current liabilities	(2.5)	(0.1)
Derivative assets (liabilities), at fair value	$ (1.9)