Note 5 - Fair Value Measures (Details Textual) - USD ($) |
3 Months Ended | 12 Months Ended | ||
|---|---|---|---|---|
Jun. 30, 2020 |
Jun. 30, 2020 |
Jun. 30, 2019 |
Jun. 30, 2018 |
|
| Asset Impairment Charges, Total | $ 0 | |||
| Debt Securities, Available-for-sale, Total | $ 0 | $ 0 | ||
| Long-term Debt, Fair Value | $ 50,000,000 | $ 50,000,000 | ||
| Retail Segment [Member] | ||||
| Asset Impairment Charges, Total | $ 4,800,000 | $ 5,200,000 | $ 9,900,000 | |
| X | ||||||||||
- Definition Amount of write-down of assets recognized in the income statement. Includes, but is not limited to, losses from tangible assets, intangible assets and goodwill. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- Definition Amount of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale). Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- Definition The fair value amount of long-term debt whether such amount is presented as a separate caption or as a parenthetical disclosure. Additionally, this element may be used in connection with the fair value disclosures required in the footnote disclosures to the financial statements. The element may be used in both the balance sheet and disclosure in the same submission. No definition available.
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| X | ||||||||||
- Details
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