Segment Information - Summary Assets by Reportable Segment, Excluding Intercompany Receivables (Detail) - USD ($) $ in Millions	Sep. 28, 2024	Jun. 29, 2024
Segment Reporting Information [Line Items]
Total assets	$ 14,396.5	$ 13,392.9
Foodservice [Member]
Segment Reporting Information [Line Items]
Total assets	7,884.8	6,996.8
Vistar [Member]
Segment Reporting Information [Line Items]
Total assets	1,540.3	1,519.1
Convenience [Member]
Segment Reporting Information [Line Items]
Total assets	4,265.1	4,080.9
Corporate & All Other [Member]
Segment Reporting Information [Line Items]
Total assets	$ 706.3	$ 796.1