Derivative Financial Instruments (Details 5) (USD $)	3 Months Ended		9 Months Ended
	Jun. 28, 2014	Jun. 29, 2013	Jun. 28, 2014	Jun. 29, 2013
Net gain (loss) on derivative instruments
Net gains on financial instruments not designated as hedges	$ (2,014,000)	$ 4,419,000	$ 11,623,000	$ 8,994,000
Net gains (loss) recognized as ineffective portion		0		0
Commodity Contract [Member]
Net gain (loss) on derivative instruments
Amount of net gains, net of tax expected to be reclassified from OCI to earnings			(5,800,000)
Commodity Contract [Member] | Cost of Sales [Member]
Net gain (loss) on derivative instruments
Net gains on financial instruments not designated as hedges	829,000		7,005,000
Cross Currency Interest Rate Contract [Member] | Gain (Loss) on Sale of Derivatives [Member]
Net gain (loss) on derivative instruments
Net gains on financial instruments not designated as hedges	(2,843,000)	4,419,000	4,618,000	8,994,000
Foreign Exchange Forward [Member] | Foreign Currency Gain (Loss) [Member]
Net gain (loss) on derivative instruments
Gain (loss) on hedging derivatives				(10,000)
Gain (loss) on hedged items				10,000
Cash Flow Hedging [Member]
Net gain (loss) on derivative instruments
Amount of gain (loss), gross of tax, on financial instruments qualifying for hedge accounting included in OCI	(593,000)	(1,694,000)	17,663,000	(972,000)
Amount of gains (losses), gross of tax, reclassified from OCI into Income	(2,491,000)	(394,000)	(3,933,000)	(1,122,000)
Cash Flow Hedging [Member] | Interest Rate Swap [Member]
Net gain (loss) on derivative instruments
Amount of gain (loss), gross of tax, on financial instruments qualifying for hedge accounting included in OCI	613,000	1,020,000	1,819,000	2,690,000
Cash Flow Hedging [Member] | Commodity Contract [Member]
Net gain (loss) on derivative instruments
Amount of gain (loss), gross of tax, on financial instruments qualifying for hedge accounting included in OCI	(787,000)	(2,714,000)	15,998,000	(3,662,000)
Cash Flow Hedging [Member] | Commodity Contract [Member] | Cost of Sales [Member]
Net gain (loss) on derivative instruments
Amount of gains (losses), gross of tax, reclassified from OCI into Income	(2,626,000)	(394,000)	(4,067,000)	(1,122,000)
Net gains (loss) recognized as ineffective portion	(20,000)		1,300,000
Cash Flow Hedging [Member] | Foreign Exchange Forward [Member]
Net gain (loss) on derivative instruments
Amount of gain (loss), gross of tax, on financial instruments qualifying for hedge accounting included in OCI	(419,000)		(154,000)
Cash Flow Hedging [Member] | Foreign Exchange Forward [Member] | Cost of Sales [Member]
Net gain (loss) on derivative instruments
Amount of gains (losses), gross of tax, reclassified from OCI into Income	135,000		136,000
Cash Flow Hedging [Member] | Foreign Exchange Forward [Member] | Foreign Currency Gain (Loss) [Member]
Net gain (loss) on derivative instruments
Amount of gains (losses), gross of tax, reclassified from OCI into Income			$ (2,000)