Notional Values of Derivative Instruments (Detail) (Commodity Future [Member], USD $)	3 Months Ended
	Sep. 28, 2013		Jun. 29, 2013
Grains/Oilseed
Derivative [Line Items]
Commodity Contracts, Notional Amount	$ 46,000,000	[1]	$ 34,000,000	[1]
Number Of Months Of Hedge Coverage	7	[1]
Energy
Derivative [Line Items]
Commodity Contracts, Notional Amount	26,000,000	[1]	29,000,000	[1]
Number Of Months Of Hedge Coverage	11	[1]
Other Commodities
Derivative [Line Items]
Commodity Contracts, Notional Amount	9,000,000	[1]	20,000,000	[1]
Number Of Months Of Hedge Coverage	$ 5	[1]

[1] (1) Commodity futures contracts are determined by the initial cost of the contract