Valuation and Qualifying Accounts (Details) - USD ($) $ in Thousands	12 Months Ended
	Jun. 30, 2017	Jun. 30, 2016	Jun. 30, 2015
Movement in Valuation Allowances and Reserves [Roll Forward]
Balance at Beginning of Period	$ 8,827	$ 676	$ 294
Charged to Costs and Expenses	3,043	6,376	447
Charged to Other Accounts	0	1,808	0
Deductions	(264)	(33)	(65)
Balance at End of Period	11,606	8,827	676
Allowance for Doubtful Accounts [Member]
Movement in Valuation Allowances and Reserves [Roll Forward]
Balance at Beginning of Period	8,403	561	204
Charged to Costs and Expenses	1,748	6,065	422
Charged to Other Accounts	0	1,808	0
Deductions	(264)	(31)	(65)
Balance at End of Period	9,887	8,403	561
Valuation Allowance of Deferred Tax Assets [Member]
Movement in Valuation Allowances and Reserves [Roll Forward]
Balance at Beginning of Period	424	115	90
Charged to Costs and Expenses	1,295	311	25
Charged to Other Accounts	0	0	0
Deductions	0	(2)	0
Balance at End of Period	$ 1,719	$ 424	$ 115