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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