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Business Segment Information (Segment Net Sales By Class Of Similar Products) (Details) - USD ($) $ in Thousands | 3 Months Ended | 12 Months Ended
--- | --- | ---
Jun. 30, 2018 | Mar. 31, 2018 | Dec. 31, 2017 | Sep. 30, 2017 | Jun. 30, 2017 | Mar. 31, 2017 | Dec. 31, 2016 | Sep. 30, 2016 | Jun. 30, 2018 | Jun. 30, 2017 | Jun. 30, 2016
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Net sales |  | $ 308,170 | $ 296,174 | $ 319,665 | $ 298,916 | $ 289,874 | $ 293,834 | $ 326,773 | $ 291,361 | $ 1,222,925 | [1],[2] | $ 1,201,842 | [1],[2] | $ 1,191,109 | [1],[2]
Retail [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Net sales | [1],[2] |  |  |  |  |  |  |  |  | 650,234 |  | 641,417 |  | 619,384 |
Foodservice [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Net sales | [1],[2] |  |  |  |  |  |  |  |  | 572,691 |  | 560,425 |  | 571,725 |
Frozen breads [Member] | Retail [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Net sales |  |  |  |  |  |  |  |  |  | 252,186 |  | 253,965 |  | 240,799 |
Refrigerated dressings, dips and other [Member] | Retail [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Net sales |  |  |  |  |  |  |  |  |  | 226,276 |  | 221,422 |  | 212,640 |
Shelf-stable dressings and croutons [Member] | Retail [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Net sales |  |  |  |  |  |  |  |  |  | 171,772 |  | 166,030 |  | 165,945 |
Dressings and sauces [Member] | Foodservice [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Net sales |  |  |  |  |  |  |  |  |  | 430,944 |  | 427,017 |  | 435,747 |
Frozen breads and other [Member] | Foodservice [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Net sales |  |  |  |  |  |  |  |  |  | $ 141,747 |  | $ 133,408 |  | $ 135,978 |
[1] | All intercompany transactions have been eliminated.
[2] | Net sales and long-lived assets are predominately domestic.

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