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Revenue - Textual (Details) - USD ($)
$ in Millions
3 Months Ended 9 Months Ended
Jun. 29, 2019
Jun. 29, 2019
Sep. 29, 2018
Disaggregation of Revenue [Line Items]      
Revenue, remaining performance obligation $ 371.7 $ 371.7  
Contract with customer, liability, revenue recognized $ 37.7 $ 134.8  
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