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Financial Statement Details - Non-cash Operating Activities (Details) - USD ($) $ in Millions	12 Months Ended
	Jun. 26, 2022	Jun. 27, 2021	Jun. 28, 2020	Aug. 24, 2018
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Lease asset and liability additions	$ 39.0	$ 7.9	$ 28.3
Lease asset and liability modifications, net	8.6	1.7	4.8
Transfer of finance lease liability to accounts payable and accrued expenses	0.0	4.2	0.0
Receivables for property, plant and equipment related insurance proceeds	0.0	1.9	0.0
Settlement of 2023 Notes in shares of common stock	416.1	0.0	0.0
Decrease in property, plant and equipment from long-term incentive related receivables	119.0	16.4	0.0
Accrued property and equipment as of the fiscal year end date	$ 132.1	$ 248.3	79.4
Operating lease additions due to adoption of ASC 842			$ 11.0
Convertible Notes due September 1, 2023 | Convertible Notes
Debt Instrument [Line Items]
Stated interest rate (as a percent)				0.875%

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