Commitments and Contingencies (License Agreements) (Details) - USD ($) $ in Millions |
12 Months Ended | ||
|---|---|---|---|
Sep. 30, 2017 |
Oct. 01, 2016 |
Oct. 03, 2015 |
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| Commitments and Contingencies Disclosure [Abstract] | |||
| Royalty expense | $ 2.2 | $ 8.2 | $ 10.1 |
| X | ||||||||||
- References No definition available.
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| X | ||||||||||
- Definition Amount of expense related to royalty payments under a contractual arrangement such as payment for mineral and drilling rights and use of technology or intellectual property. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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