Business Segment Information (Disaggregation Of Foodservice Net Sales By Type Of Customer) (Details) - USD ($) $ in Thousands	12 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2020
Disaggregation of Revenue [Line Items]
Net sales	$ 1,676,390	$ 1,467,067	$ 1,334,388
Foodservice [Member]
Disaggregation of Revenue [Line Items]
Net sales	761,180	638,104	620,261
Foodservice [Member] | National accounts [Member]
Disaggregation of Revenue [Line Items]
Net sales	588,955	494,874	459,880
Foodservice [Member] | Branded and other [Member]
Disaggregation of Revenue [Line Items]
Net sales	172,225	139,523	138,122
Foodservice [Member] | Other roll products [Member]
Disaggregation of Revenue [Line Items]
Net sales	$ 0	$ 3,707	$ 22,259