Business Segment Information (Disaggregation Of Foodservice Net Sales By Type Of Customer) (Details) - USD ($) $ in Thousands	3 Months Ended
	Sep. 30, 2020	Sep. 30, 2019
Disaggregation of Revenue [Line Items]
Total net sales	$ 349,237	$ 337,054
Foodservice [Member]
Disaggregation of Revenue [Line Items]
Total net sales	155,512	170,977
Foodservice [Member] | National accounts [Member]
Disaggregation of Revenue [Line Items]
Total net sales	118,078	123,758
Foodservice [Member] | Branded and other [Member]
Disaggregation of Revenue [Line Items]
Total net sales	34,665	39,369
Foodservice [Member] | Other roll products [Member]
Disaggregation of Revenue [Line Items]
Total net sales	$ 2,769	$ 7,850