Debt - Schedule of Debt (Detail) - USD ($) $ in Millions	Dec. 30, 2023	Jul. 01, 2023
Debt Instrument [Line Items]
Less: Original issue discount and deferred financing costs	$ (26.0)	$ (28.9)
Long-term debt	3,502.0	3,460.1
Less: current installments	0.0	0.0
Total debt, excluding current installments	3,502.0	3,460.1
Credit Agreement [ Member]
Debt Instrument [Line Items]
Long-term debt, gross	1,193.0	1,154.0
6.875% Notes due 2025, effective interest rate 7.211% [Member]
Debt Instrument [Line Items]
Long-term debt, gross	275.0	275.0
5.500% Notes due 2027, effective interest rate 5.930% [Member]
Debt Instrument [Line Items]
Long-term debt, gross	1,060.0	1,060.0
4.250% Notes due 2029, effective interest rate 4.439% [Member]
Debt Instrument [Line Items]
Long-term debt, gross	$ 1,000.0	$ 1,000.0