Segment Information - Summary Assets by Reportable Segment, Excluding Intercompany Receivables (Detail) - USD ($) $ in Millions	Apr. 02, 2022	Jul. 03, 2021
Segment Reporting Information [Line Items]
Total assets	$ 11,979.6	$ 7,845.7
Foodservice [Member]
Segment Reporting Information [Line Items]
Total assets	6,365.5	5,791.7
Vistar [Member]
Segment Reporting Information [Line Items]
Total assets	1,086.7	1,049.7
Convenience [Member]
Segment Reporting Information [Line Items]
Total assets	4,177.2	681.9
Corporate & All Other [Member]
Segment Reporting Information [Line Items]
Total assets	$ 350.2	$ 322.4