Business Segment Information (Disaggregation Of Foodservice Net Sales By Type Of Customer) (Details) - USD ($) $ in Thousands	12 Months Ended
	Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2019
Disaggregation of Revenue [Line Items]
Net sales	$ 1,467,067	$ 1,334,388	$ 1,307,787
Foodservice [Member]
Disaggregation of Revenue [Line Items]
Net sales	638,104	620,261	651,166
Foodservice [Member] | National accounts [Member]
Disaggregation of Revenue [Line Items]
Net sales	494,874	459,880	480,249
Foodservice [Member] | Branded and other [Member]
Disaggregation of Revenue [Line Items]
Net sales	139,523	138,122	151,553
Foodservice [Member] | Other roll products [Member]
Disaggregation of Revenue [Line Items]
Net sales	$ 3,707	$ 22,259	$ 19,364