Business Segment Information (Disaggregation Of Foodservice Net Sales By Type Of Customer) (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Mar. 31, 2022	Mar. 31, 2021	Mar. 31, 2022	Mar. 31, 2021
Disaggregation of Revenue [Line Items]
Total net sales	$ 403,494	$ 357,249	$ 1,223,977	$ 1,081,501
Foodservice [Member]
Disaggregation of Revenue [Line Items]
Total net sales	190,366	158,891	541,875	466,848
Foodservice [Member] | National accounts [Member]
Disaggregation of Revenue [Line Items]
Total net sales	146,959	124,323	414,840	359,228
Foodservice [Member] | Branded and other [Member]
Disaggregation of Revenue [Line Items]
Total net sales	43,407	34,568	127,035	103,913
Foodservice [Member] | Other roll products [Member]
Disaggregation of Revenue [Line Items]
Total net sales	$ 0	$ 0	$ 0	$ 3,707