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Business Segment Information (Net Sales To Major Customers) (Details) - USD ($) $ in Thousands | 12 Months Ended
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Jun. 30, 2022 | Jun. 30, 2021 | Jun. 30, 2020
Revenue, Major Customer [Line Items] |  |  |
Net sales | $ 1,676,390 | $ 1,467,067 | $ 1,334,388
Retail [Member] |  |  |
Revenue, Major Customer [Line Items] |  |  |
Net sales | 915,210 | 828,963 | 714,127
Retail [Member] | Walmart Inc. [Member] |  |  |
Revenue, Major Customer [Line Items] |  |  |
Net sales | $ 293,684 | $ 267,090 | $ 241,699
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 | $ 761,180 | $ 638,104 | $ 620,261
Foodservice [Member] | McLane Company Inc [Member] |  |  |
Revenue, Major Customer [Line Items] |  |  |
Net sales | $ 188,717 | $ 184,021 | $ 174,242
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% | 13.00% | 13.00%

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