Fair value Measurements and Related Valuation Techniques and Fair Value Hierarchy Level (Detail) (Foreign Exchange Contract, USD $) In Millions, unless otherwise specified	Jun. 29, 2013	Dec. 31, 2012
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items]
Derivative assets (liabilities), at fair value	$ 8.0	$ 19.9
Fair Value, Measurements, Recurring
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items]
Derivative assets (liabilities), at fair value	8.0	19.9
Fair Value, Inputs, Level 2 | Fair Value, Measurements, Recurring
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items]
Derivative assets (liabilities), at fair value	$ 8.0	$ 19.9