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v3.20.1

Basis of Presentation (Details) $ in Thousands | 6 Months Ended |  |  |
--- | --- | --- | --- | ---
Mar. 28, 2020 USD ($) Segment | Oct. 01, 2019 USD ($) | Sep. 30, 2019 USD ($) | Oct. 01, 2018 USD ($)
Organization, Consolidation and Presentation of Financial Statements [Abstract] |  |  |  |
Number of operating segments | Segment | 2 |  |  |
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |  |  |
Operating Lease, Liability | $ 224,158 |  |  |
Operating right-of-use lease assets | $ 157,016 |  | $ 0 |
Accounting Standards Update 2016-02 |  |  |  |
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |  |  |
Operating Lease, Liability |  | $ 224,000 |  |
Operating right-of-use lease assets |  | 167,900 |  |
Cumulative Effect of New Accounting Principle in Period of Adoption |  | 1,572 |  |
Accounting Standards Update 2016-16 |  |  |  |
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |  |  |
Cumulative Effect of New Accounting Principle in Period of Adoption |  |  |  | $ (72,261)
Accumulated Deficit | Accounting Standards Update 2016-02 |  |  |  |
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |  |  |
Cumulative Effect of New Accounting Principle in Period of Adoption |  | 1,572 |  |
Accumulated Deficit | Accounting Standards Update 2016-16 |  |  |  |
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |  |  |
Cumulative Effect of New Accounting Principle in Period of Adoption |  |  |  | $ (72,261)
scheduling of reversal of temporary tax differences [Member] | Accumulated Deficit | Accounting Standards Update 2016-02 |  |  |  |
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |  |  |
Cumulative Effect of New Accounting Principle in Period of Adoption |  | $ 1,600 |  |

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