Note 21 - Quarterly Financial Data (Unaudited) - Selected Financial Data (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands |
3 Months Ended | 12 Months Ended | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
Jun. 30, 2020 |
Mar. 31, 2020 |
Dec. 31, 2019 |
Sep. 30, 2019 |
Jun. 30, 2019 |
Mar. 31, 2019 |
Dec. 31, 2018 |
Sep. 30, 2018 |
Jun. 30, 2020 |
Jun. 30, 2019 |
Jun. 30, 2018 |
|
| Net sales | $ 91,568 | $ 149,774 | $ 174,574 | $ 173,921 | $ 183,918 | $ 177,829 | $ 197,152 | $ 187,785 | |||
| Gross profit | 47,868 | 83,949 | 97,521 | 93,794 | 100,787 | 98,394 | 108,860 | 101,450 | $ 323,132 | $ 409,491 | $ 415,964 |
| Operating income (loss) | (12,447) | (754) | 9,204 | 18,641 | (4,649) | 10,669 | 16,128 | 11,799 | 14,644 | 33,947 | 48,867 |
| Net income | $ (12,069) | $ (223) | $ 7,086 | $ 14,106 | $ (3,310) | $ 7,978 | $ 12,190 | $ 8,840 | $ 8,900 | $ 25,698 | $ 36,371 |
| Earnings (loss) per basic share (in dollars per share) | $ (0.48) | $ (0.01) | $ 0.27 | $ 0.53 | $ (0.12) | $ 0.30 | $ 0.46 | $ 0.33 | $ 0.34 | $ 0.96 | $ 1.33 |
| Earnings (loss) per diluted share (in dollars per share) | $ (0.48) | $ (0.01) | $ 0.27 | $ 0.53 | $ (0.12) | $ 0.30 | $ 0.45 | $ 0.33 | $ 0.34 | $ 0.96 | $ 1.32 |
| Diluted weighted average common shares (in shares) | 25,179 | 25,703 | 26,612 | 26,750 | 26,711 | 26,751 | 26,923 | 26,940 | 26,069 | 26,751 | 27,625 |
| Dividends declared per common share (in dollars per share) | $ 0.21 | $ 0.21 | $ 0.21 | $ 0.19 | $ 0.19 | $ 1.19 | $ 0.19 | ||||
| X | ||||||||||
- Definition Aggregate dividends declared during the period for each share of common stock outstanding. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- Definition The amount of net income (loss) for the period per each share of common stock or unit outstanding during the reporting period. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- Definition The amount of net income (loss) for the period available to each share of common stock or common unit outstanding during the reporting period and to each share or unit that would have been outstanding assuming the issuance of common shares or units for all dilutive potential common shares or units outstanding during the reporting period. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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| X | ||||||||||
- Definition Aggregate revenue less cost of goods and services sold or operating expenses directly attributable to the revenue generation activity. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- Definition The portion of profit or loss for the period, net of income taxes, which is attributable to the parent. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition The net result for the period of deducting operating expenses from operating revenues. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition Amount of revenue recognized from goods sold, services rendered, insurance premiums, or other activities that constitute an earning process. Includes, but is not limited to, investment and interest income before deduction of interest expense when recognized as a component of revenue, and sales and trading gain (loss). Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition The average number of shares or units issued and outstanding that are used in calculating diluted EPS or earnings per unit (EPU), determined based on the timing of issuance of shares or units in the period. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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