Consolidated Balance Sheets (Parenthetical) - USD ($) $ in Millions	Jan. 01, 2022	Jul. 03, 2021
Statement of Financial Position [Abstract]
Accounts receivable, allowances	$ 53.3	$ 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	153,300,000	132,500,000
Common stock, shares outstanding	153,300,000	132,500,000
Accumulated other comprehensive income (loss), tax (expense) benefit	$ (0.1)	$ 1.9