Business Segment Information (Disaggregation Of Foodservice Net Sales By Type Of Customer) (Details) - USD ($) $ in Thousands	3 Months Ended
	Sep. 30, 2021	Sep. 30, 2020
Disaggregation of Revenue [Line Items]
Total net sales	$ 392,056	$ 349,237
Foodservice [Member]
Disaggregation of Revenue [Line Items]
Total net sales	168,167	155,512
Foodservice [Member] | National accounts [Member]
Disaggregation of Revenue [Line Items]
Total net sales	126,128	118,078
Foodservice [Member] | Branded and other [Member]
Disaggregation of Revenue [Line Items]
Total net sales	42,039	34,665
Foodservice [Member] | Other roll products [Member]
Disaggregation of Revenue [Line Items]
Total net sales	$ 0	$ 2,769