Consolidated Balance Sheets (Parenthetical) - USD ($) $ in Millions	Oct. 02, 2021	Jul. 03, 2021
Statement Of Financial Position [Abstract]
Accounts receivable, allowances	$ 48.8	$ 42.6
Common stock, par value	$ 0.01	$ 0.01
Common stock, shares authorized	1,000,000,000.0	1,000,000,000.0
Common stock, shares issued	152,800,000	132,500,000
Common stock, shares outstanding	152,800,000	132,500,000
Accumulated other comprehensive loss, tax benefit	$ 1.6	$ 1.9