Business Segment Information (Disaggregation Of Foodservice Net Sales By Type Of Customer) (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2021	Dec. 31, 2020
Disaggregation of Revenue [Line Items]
Total net sales	$ 428,427	$ 375,015	$ 820,483	$ 724,252
Foodservice [Member]
Disaggregation of Revenue [Line Items]
Total net sales	183,342	152,445	351,509	307,957
Foodservice [Member] | National accounts [Member]
Disaggregation of Revenue [Line Items]
Total net sales	141,753	116,827	267,881	234,905
Foodservice [Member] | Branded and other [Member]
Disaggregation of Revenue [Line Items]
Total net sales	41,589	34,680	83,628	69,345
Foodservice [Member] | Other roll products [Member]
Disaggregation of Revenue [Line Items]
Total net sales	$ 0	$ 938	$ 0	$ 3,707