Debt - Schedule of Debt (Detail) - USD ($) $ in Millions	Sep. 28, 2024	Jun. 29, 2024
Debt Instrument [Line Items]
Less: Original issue discount and deferred financing costs	$ (31.1)	$ (22.3)
Long-term debt	3,926.0	3,198.5
Less: current installments	0.0	0.0
Total debt, excluding current installments	3,926.0	3,198.5
Credit Agreement [Member]
Debt Instrument [Line Items]
Long-term debt, gross	897.1	1,160.8
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
6.125% Notes due 2032, effective interest rate 6.287% [Member]
Debt Instrument [Line Items]
Long-term debt, gross	$ 1,000.0	$ 0.0