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CONSOLIDATED STATEMENTS OF COMPREHENSIVE LOSS - USD ($) $ in Millions	12 Months Ended
	Jun. 25, 2023	Jun. 26, 2022	Jun. 27, 2021
Statement of Comprehensive Income [Abstract]
Net loss	$ (329.9)	$ (200.9)	$ (522.5)
Other comprehensive income (loss):
Reclassification of currency translation gain to loss on sale of discontinued operations	0.0	0.0	(9.5)
Net unrealized gain (loss) on available-for-sale securities	0.2	(28.0)	(3.8)
Comprehensive loss	(329.7)	(228.9)	(535.8)
Net income from discontinued operations attributable to noncontrolling interest	0.0	0.0	1.4
Comprehensive loss attributable to controlling interest	$ (329.7)	$ (228.9)	$ (537.2)

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Amount after tax of increase (decrease) in equity from transactions and other events and circumstances from net income and other comprehensive income, attributable to parent entity. Excludes changes in equity resulting from investments by owners and distributions to owners.

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