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Nature of Operations and Summary of Significant Accounting Policies Intangible Assets (Details) - USD ($)
$ in Thousands
3 Months Ended
Sep. 30, 2020
Jun. 30, 2020
Finite-Lived Intangible Assets [Line Items]    
Finite-Lived Intangible Assets, Accumulated Amortization $ 846,659 $ 812,856
Automated Bookkeeping, Inc. [Member] | Preferred Stock [Member]    
Finite-Lived Intangible Assets [Line Items]    
Cost Method Investments, Original Cost $ 6,000 $ 6
Minimum [Member]    
Finite-Lived Intangible Assets [Line Items]    
Finite-Lived Intangible Asset, Useful Life 3 years  
Maximum [Member]    
Finite-Lived Intangible Assets [Line Items]    
Finite-Lived Intangible Asset, Useful Life 20 years