CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME - USD ($) $ in Millions	12 Months Ended
	Jul. 02, 2022	Jul. 03, 2021	Jun. 27, 2020
Statement of Comprehensive Income [Abstract]
Net income	$ 198.9	$ 397.3	$ 135.5
Other comprehensive income (loss), net of tax:
Net change in unrealized gain (loss) on available-for-sale securities	(10.2)	(2.5)	1.5
Net change in defined benefit obligations	2.4	2.8	(0.7)
Other comprehensive income (loss), net of tax	(7.8)	0.3	0.8
Comprehensive income, net of tax	$ 191.1	$ 397.6	$ 136.3