Fair Value Measurements and Related Valuation Techniques and Fair Value Hierarchy Level (Detail) (USD $) In Millions, unless otherwise specified	Sep. 29, 2012	Dec. 31, 2011
Foreign Exchange Contract
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivative assets (liabilities), at fair value	$ 12.9	$ (44.5)
Fair Value, Measurements, Recurring | Foreign Exchange Contract
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivative assets (liabilities), at fair value	12.9	(44.5)
Fair Value, Measurements, Recurring | Commodity Contract
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivative assets (liabilities), at fair value		(0.3)
Fair Value, Inputs, Level 2 | Fair Value, Measurements, Recurring | Foreign Exchange Contract
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivative assets (liabilities), at fair value	12.9	(44.5)
Fair Value, Inputs, Level 2 | Fair Value, Measurements, Recurring | Commodity Contract
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivative assets (liabilities), at fair value		$ (0.3)