Revenue Recognition (Details) - USD ($) |
12 Months Ended | ||
|---|---|---|---|
Sep. 30, 2019 |
Oct. 01, 2018 |
Sep. 30, 2018 |
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| Revenue from Contract with Customer [Abstract] | |||
| Receivables from long-term manufacturing contracts | $ 181,100,000 | $ 122,200,000 | $ 120,300,000 |
| ContractwithCustomerAssetIncreaseinRevenue | 58.9 | ||
| Liabilities from long-term manufacturing contracts and advances | 158,200,000 | $ 125,900,000 | |
| Contract with Customer, Liability, Revenue Recognized | 110.6 | ||
| Revenue, Remaining Performance Obligation, Amount | $ 863,500,000 | ||
| Remaining performance obligation expected to be recognized in the given period (as a percent) | 85.00% |
| X | ||||||||||
- Definition Contract with Custome rAsset Increase in Revenue No definition available.
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| X | ||||||||||
- Definition Remaining performance obligation expected to be recognized in the given period (as a percent) No definition available.
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| X | ||||||||||
- Definition Amount of revenue recognized that was previously included in balance of obligation to transfer good or service to customer for which consideration from customer has been received or is due. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- Definition The carrying amount of consideration received or receivable as of the balance sheet date on potential earnings that were not recognized as revenue in conformity with GAAP, and which are expected to be recognized as such within one year or the normal operating cycle, if longer, including sales, license fees, and royalties, but excluding interest income. Reference 1: http://fasb.org/us-gaap/role/ref/otherTransitionRef
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| X | ||||||||||
- Definition Amount to be collected within one year of the balance sheet date (or one operating cycle, if longer) from customers in accordance with the contractual provisions of long-term contracts or programs including amounts billed and unbilled as of the balance sheet date. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- References No definition available.
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| X | ||||||||||
- Definition Amount of transaction price allocated to performance obligation that has not been recognized as revenue. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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