Derivative Instruments and Hedging Activity - Additional Information (Detail)		9 Months Ended	3 Months Ended
	Sep. 29, 2012	Sep. 29, 2012 Foreign Exchange Contracts	Sep. 29, 2012 Commodity Contracts - Fuel gal
Derivative Instruments, Gain (Loss) [Line Items]
Notional amount of hedge (in gallons of fuel)			2,200,000
Derivative maturities, maximum			2013-01
Deferred gain from hedge contract terminated in prior period amortization period	2013
Derivative maturity period		2012-12
Losses deferred in OCI, expected recognition period in earnings	12 months