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Other Assets (Details) - USD ($)
3 Months Ended 6 Months Ended
Dec. 31, 2016
Dec. 31, 2015
Dec. 31, 2016
Dec. 31, 2015
Jun. 30, 2016
Other Assets, Noncurrent Disclosure [Abstract]          
Deposits and restricted cash $ 13,445,000   $ 13,445,000   $ 10,715,000
Deferred implementation costs 22,435,000   22,435,000   18,116,000
Investments 23,608,000   23,608,000   18,062,000
Long-term prepaid expenses and other long-term assets 7,417,000   7,417,000   6,804,000
Total other assets 66,905,000   66,905,000   $ 53,697,000
Schedule of Equity Method Investments [Line Items]          
Income from equity method investments $ 500,000 $ 0 $ 5,993,000 $ 0  
Minimum          
Schedule of Equity Method Investments [Line Items]          
Ownership percentage 4.00%   4.00%    
Maximum          
Schedule of Equity Method Investments [Line Items]          
Ownership percentage 20.00%   20.00%