Business Combinations - Additional Information (Detail) $ in Millions		3 Months Ended			6 Months Ended
	Oct. 08, 2024 USD ($)	Dec. 28, 2024 USD ($)	Dec. 28, 2024 USD ($)	Dec. 30, 2023 USD ($)	Dec. 28, 2024 USD ($) Acquisition	Dec. 30, 2023 USD ($) Acquisition	Jun. 29, 2024 USD ($)
Business Acquisition [Line Items]
Number of acquisitions | Acquisition					2	2
Intangible assets estimated useful life					11 years 8 months 12 days
Goodwill		$ 3,407.5	$ 3,407.5		$ 3,407.5		$ 2,418.3
Cash payment for acquisition					2,535.5	$ 308.1
Net sales			15,638.2	$ 14,295.7	31,053.7	29,234.3
Net loss			42.4	$ 78.3	$ 150.4	199.0
Acqusition costs included in pro-forma net income						69.1
Minimum [Member] | Customer Relationships [Member]
Business Acquisition [Line Items]
Intangible assets estimated useful life					10 years
Minimum [Member] | Trade Names [Member]
Business Acquisition [Line Items]
Intangible assets estimated useful life					10 years
Maximum [Member] | Customer Relationships [Member]
Business Acquisition [Line Items]
Intangible assets estimated useful life					12 years
Maximum [Member] | Trade Names [Member]
Business Acquisition [Line Items]
Intangible assets estimated useful life					12 years
Cheney Brothers [Member]
Business Acquisition [Line Items]
Total purchase price	$ 2,000.0
Cash portion of the acquisition	1,961.2
Deferred consideration payable to seller	$ 32.4
Period for deferred consideration	5 years
Net sales		825.0
Net loss		(28.4)
Business Acquisition Cost [Member]
Business Acquisition [Line Items]
Number of acquisitions | Acquisition					2
Goodwill		994.2	994.2		$ 994.2
Cash payment for acquisition					2,500.0	$ 308.1
Business Acquisition Cost [Member] | Cheney Brothers [Member]
Business Acquisition [Line Items]
Goodwill		$ 691.9	$ 691.9		$ 691.9