Other Assets (Details) - USD ($)	Dec. 31, 2017	Jun. 30, 2017
Other Assets, Noncurrent Disclosure [Abstract]
Deposits and restricted cash	$ 11,962,000	$ 15,821,000
Deferred implementation costs	29,233,000	28,833,000
Investments	34,630,000	27,886,000
Marketable securities	0	3,023,000
Long-term prepaid expenses and other long-term assets	20,787,000	18,200,000
Total other assets	$ 96,612,000	$ 93,763,000