Receivables (Schedule Of Receivables) (Details) (USD $) In Thousands	12 Months Ended
	Oct. 01, 2011	Oct. 02, 2010
Financing Receivable, Recorded Investment, Past Due [Line Items]
Accounts receivable	$ 338,381	$ 311,966
Total long-term contract receivables	311,087	298,838
Other	11,055	13,870
Total receivables	660,523	624,674
Less allowance for doubtful accounts	(4,718)	(4,813)
Receivables	655,805	619,861
Receivables from Boeing	117,072	122,345
Amounts Billed [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Amounts billed	94,420	95,465
Amounts billed under long-term contracts to U.S. Government	12,237	18,179
Unbilled Recoverable Costs And Accrued Profits [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Unbilled recoverable costs and accrued profits under long-term contracts	216,667	203,373
Unbilled recoverable costs and accrued profits to be billed to U.S. Government	$ 6,861	$ 7,638