Derivative Financial Instruments Additional Details (Details) (USD $) In Thousands, unless otherwise specified	Jul. 01, 2012	Sep. 30, 2011
Derivative [Line Items]
Derivative Credit Risk Valuation Adjustment, Derivative Assets	$ 26	$ 18
Letters of Credit Outstanding, Amount	26,730
Foreign Currency Cash Flow Hedge Gain (Loss) to be Reclassified During Next 12 Months	3,065
Price Risk Cash Flow Hedge Unrealized Gain (Loss) to be Reclassified During Next 12 Months	1,479
Other Current Assets [Member]
Derivative [Line Items]
Collateral Already Posted, Aggregate Fair Value	1,717	418
Derivative [Member]
Derivative [Line Items]
Letters of Credit Outstanding, Amount	0	2,000
Commodity Contract [Member]
Derivative [Line Items]
Derivative, Nonmonetary Notional Amount	16
Derivative, Notional Amount	31,665
Economic Hedging [Member]
Derivative [Line Items]
Derivative, Notional Amount	2,249	0
Cash Flow Hedging [Member] | Foreign Exchange Contract [Member]
Derivative [Line Items]
Derivative, Notional Amount	120,804
Fair Value Hedging [Member]
Derivative [Line Items]
Derivative, Notional Amount	$ 189,538	$ 265,974