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Business Overview Narrative (Details) - USD ($)
$ in Millions
3 Months Ended 9 Months Ended
Jul. 20, 2019
Sep. 27, 2019
Sep. 28, 2018
Sep. 27, 2019
Sep. 28, 2018
Schedule of Equity Method Investments [Line Items]          
Gain on disposition   $ 41.2 $ 0.0 $ 41.2 $ 0.0
Telestream, LLC          
Schedule of Equity Method Investments [Line Items]          
Gain on disposition $ 41.2        
Equity stake 33.00%