SCHEDULE II - VALUATION AND QUALIFYING ACCOUNTS (Details) - USD ($) $ in Millions	12 Months Ended
	Jun. 29, 2024	Jul. 01, 2023	Jul. 02, 2022
Allowance for credit losses:
SEC Schedule, 12-09, Movement in Valuation Allowances and Reserves
Balance at beginning of period	$ 0.0	$ 0.0	$ 0.4
Increase (decrease) in Consolidated Statements of Operations	0.2	0.0	(0.1)
Write Offs / Deductions Credited to Expenses or Other Accounts	0.0	0.0	(0.3)
Balance at end of period	0.2	0.0	0.0
Deferred tax valuation allowance:
SEC Schedule, 12-09, Movement in Valuation Allowances and Reserves
Balance at beginning of period	303.4	263.1	269.5
Additions Charged to Expenses or Other Accounts	205.4	42.7	5.7
Write Offs / Deductions Credited to Expenses or Other Accounts	(18.4)	(2.4)	(12.1)
Balance at end of period	$ 490.4	$ 303.4	$ 263.1