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
 6 Months Ended
Dec. 31, 2018
Dec. 31, 2017
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 1,096,425 997,819  
Accumulated Net Investment Gain (Loss) Attributable to Parent [Member]      
Balance 24,682 18,989  
Other comprehensive income (loss), net of tax benefit of $1,216 on derivative instruments (2) [1] (16,374)  
Balance 2,615  
Accumulated Net Investment Gain (Loss) 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    
Accumulated Net Investment Gain (Loss) 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)    
Accumulated Foreign Currency Adjustment Attributable to Parent [Member]      
Balance (69,496) (67,924)  
Other comprehensive income (loss), net of tax benefit of $1,216 on derivative instruments (2) (9,600) [1] 8,492  
Balance (79,096) (59,432)  
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), net of tax benefit of $1,216 on derivative instruments (2) (3,915) [1]  
Balance (3,915)  
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), net of tax benefit of $1,216 on derivative instruments (2) (13,515) [1] (7,882)  
Balance (83,011) $ (56,817)  
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] Approximately ($873) of the ($3,915) will be reclassified into earnings in the 12 months subsequent to December 31, 2018.
[2] See Note 1 for further information related to the adoption of ASU 2016-01 and 2018-02.