Business Segment Information (Net Sales To Major Customers) (Details) - USD ($) $ in Thousands	12 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2021
Revenue, Major Customer [Line Items]
Net sales	$ 1,822,527	$ 1,676,390	$ 1,467,067
Retail [Member]
Revenue, Major Customer [Line Items]
Net sales	965,370	915,210	828,963
Retail [Member] | Walmart Inc. [Member]
Revenue, Major Customer [Line Items]
Net sales	$ 323,718	$ 293,684	$ 267,090
Retail [Member] | Customer Concentration Risk [Member] | Walmart Inc. [Member] | Revenue Benchmark
Revenue, Major Customer [Line Items]
Net sales as a percentage of consolidated net sales	18.00%	18.00%	18.00%
Foodservice [Member]
Revenue, Major Customer [Line Items]
Net sales	$ 857,157	$ 761,180	$ 638,104
Foodservice [Member] | McLane Company Inc [Member]
Revenue, Major Customer [Line Items]
Net sales	$ 205,264	$ 188,717	$ 184,021
Foodservice [Member] | Customer Concentration Risk [Member] | McLane Company Inc [Member] | Revenue Benchmark
Revenue, Major Customer [Line Items]
Net sales as a percentage of consolidated net sales	11.00%	11.00%	13.00%