Derivative Financial Instruments - Notional Amounts of Company's Outstanding Foreign Currency Forward Contracts by Currency (Detail)	Sep. 25, 2015 USD ($)
Derivative [Line Items]
Notional amounts of foreign currency forward contracts	$ 258,000,000
Canadian Dollar [Member]
Derivative [Line Items]
Notional amounts of foreign currency forward contracts	141,000,000
U.S. Dollar [Member]
Derivative [Line Items]
Notional amounts of foreign currency forward contracts	94,000,000
Euro [Member]
Derivative [Line Items]
Notional amounts of foreign currency forward contracts	21,000,000
British Pound [Member]
Derivative [Line Items]
Notional amounts of foreign currency forward contracts	$ 2,000,000