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Receivables (Narrative) (Details) - USD ($) $ in Thousands | 12 Months Ended |  |
--- | --- | --- | ---
Sep. 28, 2019 | Sep. 30, 2018 | Sep. 29, 2018
Accounts, Notes, Loans and Financing Receivable |  |  |
Amounts billed under over-time contracts | $ 222,075 |  | $ 156,414
Unbilled Contracts Receivable | $ 468,824 | $ 405,610 | 316,489
Percent of unbilled amounts excepted to be collected within one year | 99.00% |  |
Government | United States |  |  |
Accounts, Notes, Loans and Financing Receivable |  |  |
Amounts billed under over-time contracts | $ 7,573 |  | 6,106
Unbilled Contracts Receivable | 48,004 |  | 25,915
Boeing |  |  |
Accounts, Notes, Loans and Financing Receivable |  |  |
Receivables from customers | $ 245,892 |  | $ 178,798

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