Business Segment Information (Disaggregation Of Foodservice Net Sales By Type Of Customer) (Details) - USD ($) $ in Thousands	12 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2021
Disaggregation of Revenue [Line Items]
Net sales	$ 1,822,527	$ 1,676,390	$ 1,467,067
Foodservice [Member]
Disaggregation of Revenue [Line Items]
Net sales	857,157	761,180	638,104
Foodservice [Member] | National accounts [Member]
Disaggregation of Revenue [Line Items]
Net sales	676,665	588,955	494,874
Foodservice [Member] | Branded and other [Member]
Disaggregation of Revenue [Line Items]
Net sales	180,492	172,225	139,523
Foodservice [Member] | Other roll products [Member]
Disaggregation of Revenue [Line Items]
Net sales	$ 0	$ 0	$ 3,707