Balance Sheet and Other Details - Contract Liabilities (Details) - USD ($) $ in Millions	3 Months Ended
	Oct. 03, 2020	Jun. 27, 2020
Capitalized Contract Cost [Line Items]
Unbilled receivables	$ 5.1	$ 3.8
Deferred revenue:
Balance at beginning of period	74.6
Revenue deferrals for new contracts	29.8
Revenue recognized during the period	(24.3)
Balance at end of period	80.1
Short-term deferred revenue	60.1	54.6
Long-term deferred revenue	$ 20.0	$ 20.0
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