Schedule of Fair Value of Assets and Liabilities (Detail) (Fair Value Measurements, Recurring, USD $) In Millions, unless otherwise specified	Sep. 29, 2013
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Assets	$ 6.10
Liabilities	(1.60)
Foreign Currency Contracts Asset Net Of Liabilities Fair Value Disclosure, Total	4.50
Securities	2.50
Marketable securities
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Securities	2.50
Fair Value, Quoted Prices In Active Markets (Level 1)
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Assets	0
Liabilities	0
Foreign Currency Contracts Asset Net Of Liabilities Fair Value Disclosure, Total	0
Securities	2.50
Fair Value, Quoted Prices In Active Markets (Level 1) | Marketable securities
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Securities	2.50
Fair Value, Significant Other Observable Inputs (Level 2)
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Assets	6.10
Liabilities	(1.60)
Foreign Currency Contracts Asset Net Of Liabilities Fair Value Disclosure, Total	4.50
Securities	0
Fair Value, Significant Other Observable Inputs (Level 2) | Marketable securities
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Securities	0
Fair Value, Significant Unobservable Inputs (Level 3)
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Assets	0
Liabilities	0
Foreign Currency Contracts Asset Net Of Liabilities Fair Value Disclosure, Total	0
Securities	0
Fair Value, Significant Unobservable Inputs (Level 3) | Marketable securities
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Securities	$ 0