Derivative Financial Instruments - Additional Information (Detail) (USD $) In Millions, unless otherwise specified	3 Months Ended
	Mar. 25, 2011	Oct. 06, 2012	Mar. 24, 2011
Derivative [Line Items]
Unrecognized losses of foreign currency hedges are expected to be realized		$ 4.5
Long-Term Japanese Yen Hedges [Member]
Derivative [Line Items]
Cross currency swap to convert Term Loan C into Japanese yen	320
Interest rate swap to hedge future changes in interest rates	320
Combined liability of the cross currency and interest rate swaps	35
Japanese yen exchange rate
Liability Position LT JPY Hedge at inception		124.8	159.0
Liability position and the total notional amount outstanding of the long-term Japanese yen hedges		$ 425.8	$ 596.3