Receivables (Narrative) (Details) (USD $) In Thousands, unless otherwise specified	Sep. 28, 2013	Sep. 29, 2012
Accounts, Notes, Loans and Financing Receivable [Line Items]
Amounts billed under long term contracts to U.S. government	$ 133,149	$ 114,482
Unbilled Recoverable costs and accrued profits to be billed to U.S. Government.	337,520	286,887
Accounts Receivable, Unapproved Contract Claims	0
Receivables from Boeing	182,050	139,287
UNITED STATES | Government [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Amounts billed under long term contracts to U.S. government	11,532	7,413
Unbilled Recoverable costs and accrued profits to be billed to U.S. Government.	$ 11,963	$ 4,223