Segment Information - Summary Assets by Reportable Segment, Excluding Intercompany Receivables (Detail) - USD ($) $ in Millions	Jun. 30, 2018	Jul. 01, 2017
Segment Reporting Information [Line Items]
Total assets	$ 4,000.9	$ 3,804.1
Performance Foodservice [Member]
Segment Reporting Information [Line Items]
Total assets	2,267.9	2,161.2
PFG Customized [Member]
Segment Reporting Information [Line Items]
Total assets	644.3	667.1
Vistar [Member]
Segment Reporting Information [Line Items]
Total assets	739.0	654.5
Corporate & All Other [Member]
Segment Reporting Information [Line Items]
Total assets	$ 349.7	$ 321.3