Quarterly report pursuant to Section 13 or 15(d)

Note 7 - Supplemental Equity and Accumulated Other Comprehensive Income (Loss) - Changes in Accumulated Other Comprehensive Income (Loss), Net of Tax (Details)

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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.