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Revenue - Textual (Details) - USD ($) $ in Millions | 3 Months Ended | 6 Months Ended |
--- | --- | --- | ---
Mar. 30, 2019 | Mar. 30, 2019 | Sep. 29, 2018
Disaggregation of Revenue [Line Items] |  |  |
Revenue, remaining performance obligation |  |  | $ 322.8
Contract with customer, liability, revenue recognized | $ 40.1 | $ 97.1 |
Accounting Standards Update 2014-09 |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Accounting standard transition adjustment |  |  | 6.4
Retained Earnings | Accounting Standards Update 2014-09 |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Accounting standard transition adjustment |  |  | 6.4
Cumulative effect of new accounting principle in period of adoption, net of tax |  |  | $ 2.4

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