Quarterly report pursuant to Section 13 or 15(d)

Note 1 - Basis of Presentation and Summary of Significant Accounting Policies (Details Textual)

v3.10.0.1
Note 1 - Basis of Presentation and Summary of Significant Accounting Policies (Details Textual)
 3 Months Ended 6 Months Ended
Dec. 31, 2018
USD ($)
Dec. 31, 2018
USD ($)
Jul. 01, 2018
USD ($)
Jun. 30, 2018
USD ($)
Number of Operating Segments   5    
Number of Reportable Segments   2    
Retained Earnings (Accumulated Deficit), Ending Balance $ 895,205,000 $ 895,205,000   $ 876,931,000
Available-for-sale Securities, Total       54,300,000
Available-for-sale Securities, Accumulated Gross Unrealized Gain, before Tax, Total       35,400,000
Deferred Tax Liabilities, Other Comprehensive Income       8,300,000
Accumulated Other Comprehensive Income (Loss), Net of Tax, Total (83,011,000) (83,011,000)   $ (44,814,000)
Accounting Standards Update 2014-09 [Member]        
Retained Earnings (Accumulated Deficit), Ending Balance     $ 98,000  
Accounting Standards Update 2016-01 [Member]        
Retained Earnings (Accumulated Deficit), Ending Balance     27,100,000  
Accumulated Other Comprehensive Income (Loss), Net of Tax, Total     (27,100,000)  
Accounting Standards Update 2016-01 [Member] | Other Nonoperating Income (Expense) [Member]        
Equity Securities, FV-NI, Gain (Loss), Total $ 7,200,000 $ 9,400,000    
Accounting Standards Update 2018-02 [Member]        
Retained Earnings (Accumulated Deficit), Ending Balance     (2,400,000)  
Accumulated Other Comprehensive Income (Loss), Net of Tax, Total     $ 2,400,000