Note 8 - Supplemental Equity and Accumulated Other Comprehensive Income (Loss) (Details Textual) - USD ($) $ / shares in Units, $ in Thousands |
12 Months Ended | ||||
|---|---|---|---|---|---|
Jun. 30, 2020 |
Jun. 30, 2019 |
Jun. 30, 2018 |
Jun. 30, 2017 |
Jun. 30, 2016 |
|
| Common Stock, Dividends, Per Share, Declared | $ 1.28 | $ 1.28 | $ 1.28 | ||
| Stock Repurchased During Period, Shares | 95,000 | ||||
| Stock Repurchased During Period, Average Share Price | $ 162.15 | ||||
| Stockholders' Equity Attributable to Parent, Ending Balance | $ 1,165,589 | $ 1,079,061 | $ 949,627 | $ 879,280 | |
| Accumulated Other Comprehensive Income (Loss), Derivative Qualifying as Hedge, Excluded Component, Including Portion Attributable to Noncontrolling Interest [Member] | |||||
| Reclassification from AOCI, Current Period, Net of Tax, Attributable to Parent | |||||
| Stockholders' Equity Attributable to Parent, Ending Balance | $ (9,537) | ||||
| Forecast [Member] | |||||
| Reclassification from AOCI, Current Period, Net of Tax, Attributable to Parent | $ (1,748) | ||||
| X | ||||||||||
- Definition Total cost of shares repurchased divided by the total number of shares repurchased. No definition available.
|
| 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
|
| X | ||||||||||
- Definition Amount after tax of reclassification adjustments of other comprehensive income (loss) attributable to parent. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
|
| X | ||||||||||
- Definition Number of shares that have been repurchased during the period and have not been retired and are not held in treasury. Some state laws may govern the circumstances under which an entity may acquire its own stock and prescribe the accounting treatment therefore. This element is used when state law does not recognize treasury stock. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
|
| X | ||||||||||
- Definition Total of all stockholders' equity (deficit) items, net of receivables from officers, directors, owners, and affiliates of the entity which are attributable to the parent. The amount of the economic entity's stockholders' equity attributable to the parent excludes the amount of stockholders' equity which is allocable to that ownership interest in subsidiary equity which is not attributable to the parent (noncontrolling interest, minority interest). This excludes temporary equity and is sometimes called permanent equity. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
|
| X | ||||||||||
- Details
|
| X | ||||||||||
- Details
|