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Balance Sheet and Other Details - Contract Liabilities (Details) - USD ($)
$ in Millions
 3 Months Ended 6 Months Ended
Jan. 02, 2021
Jan. 02, 2021
Jun. 27, 2020
Capitalized Contract Cost [Line Items]      
Unbilled receivables $ 5.5 $ 5.5 $ 3.8
Deferred revenue:      
Balance at beginning of period 80.1 74.6  
Revenue deferrals for new contracts 31.8 61.4  
Revenue recognized during the period (29.9) (54.0)  
Balance at end of period $ 82.0 $ 82.0  
Minimum      
Capitalized Contract Cost [Line Items]      
Payment period from invoice date   30 days  
Maximum      
Capitalized Contract Cost [Line Items]      
Payment period from invoice date   90 days