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Note 7 - Supplemental Equity and Accumulated Other Comprehensive Income (Loss) - Changes in Accumulated Other Comprehensive Income (Loss), Net of Tax (Details) - USD ($) $ in Thousands | 9 Months Ended |
--- | --- | ---
Mar. 31, 2019 | Mar. 31, 2018 | Jun. 30, 2018
Balance |  | $ 1,079,061 |  | $ 949,627 |
Net cumulative effect adjustments to Retained earnings on July 1, 2018 due to the adoption of new accounting standards |  |  |  |  | $ 98
Balance |  | 1,146,266 |  | 1,058,292 |
AOCI, Accumulated Gain (Loss), Debt Securities, Available-for-sale, Parent [Member] |  |  |  |  |
Balance |  | 24,682 |  | 18,989 |
Other comprehensive income (loss) |  |  | [1] | 22,286 |
Balance |  |  |  | 41,275 |
AOCI, Accumulated Gain (Loss), Debt Securities, Available-for-sale, Parent [Member] | Accounting Standards Update 2018-02 [Member] |  |  |  |  |
Net cumulative effect adjustments to Retained earnings on July 1, 2018 due to the adoption of new accounting standards | [2] | 2,371 |  |  |
AOCI, Accumulated Gain (Loss), Debt Securities, Available-for-sale, Parent [Member] | Accounting Standards Update 2016-01 [Member] |  |  |  |  |
Net cumulative effect adjustments to Retained earnings on July 1, 2018 due to the adoption of new accounting standards | [2] | (27,053) |  |  |
Accumulated Foreign Currency Adjustment Attributable to Parent [Member] |  |  |  |  |
Balance |  | (69,496) |  | (67,924) |
Other comprehensive income (loss) |  | (4,368) | [1] | 10,787 |
Balance |  | (73,864) |  | (57,137) |
Accumulated Foreign Currency Adjustment Attributable to Parent [Member] | Accounting Standards Update 2018-02 [Member] |  |  |  |  |
Net cumulative effect adjustments to Retained earnings on July 1, 2018 due to the adoption of new accounting standards | [2] |  |  |  |
Accumulated Foreign Currency Adjustment Attributable to Parent [Member] | Accounting Standards Update 2016-01 [Member] |  |  |  |  |
Net cumulative effect adjustments to Retained earnings on July 1, 2018 due to the adoption of new accounting standards | [2] |  |  |  |
Accumulated Other Comprehensive Income (Loss), Derivative Qualifying as Hedge, Excluded Component, Including Portion Attributable to Noncontrolling Interest [Member] |  |  |  |  |
Balance |  |  |  |  |
Other comprehensive income (loss) |  | (5,769) | [1] |  |
Balance |  | (5,769) |  |  |
Accumulated Other Comprehensive Income (Loss), Derivative Qualifying as Hedge, Excluded Component, Including Portion Attributable to Noncontrolling Interest [Member] | Accounting Standards Update 2018-02 [Member] |  |  |  |  |
Net cumulative effect adjustments to Retained earnings on July 1, 2018 due to the adoption of new accounting standards | [2] |  |  |  |
Accumulated Other Comprehensive Income (Loss), Derivative Qualifying as Hedge, Excluded Component, Including Portion Attributable to Noncontrolling Interest [Member] | Accounting Standards Update 2016-01 [Member] |  |  |  |  |
Net cumulative effect adjustments to Retained earnings on July 1, 2018 due to the adoption of new accounting standards | [2] |  |  |  |
AOCI Attributable to Parent [Member] |  |  |  |  |
Balance |  | (44,814) |  | (48,935) |
Net cumulative effect adjustments to Retained earnings on July 1, 2018 due to the adoption of new accounting standards |  |  |  |  | $ (24,682)
Other comprehensive income (loss) |  | (10,137) | [1] | 33,073 |
Balance |  | (79,633) |  | $ (15,862) |
AOCI Attributable to Parent [Member] | Accounting Standards Update 2018-02 [Member] |  |  |  |  |
Net cumulative effect adjustments to Retained earnings on July 1, 2018 due to the adoption of new accounting standards | [2] | 2,371 |  |  |
AOCI Attributable to Parent [Member] | Accounting Standards Update 2016-01 [Member] |  |  |  |  |
Net cumulative effect adjustments to Retained earnings on July 1, 2018 due to the adoption of new accounting standards | [2] | $ (27,053) |  |  |
[1] | The gain (loss) on the forward starting interest rate swap will be reclassified into earnings beginning October 31, 2019. Approximately ($919) of the ($5,769) will be reclassified into earnings in the 12 months subsequent to March 31, 2019.
[2] | See Note 1 for further information related to the adoption of ASU 2016-01 and 2018-02.

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