Schedule II - Valuation and Qualifying Accounts (Details) - USD ($) $ in Thousands	12 Months Ended
	Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2017
Allowance for doubtful accounts
SEC Schedule, 12-09, Movement in Valuation Allowances and Reserves [Roll Forward]
Balance at beginning of period	$ 2,086	$ 1,447	$ 936
Charged to costs and expenses	553	1,880	1,077
Charged to other accounts	(1,016)	49	149
Deductions	(1,035)	(1,290)	(715)
Balance at end of period	588	2,086	1,447
Valuation allowance for deferred tax assets
SEC Schedule, 12-09, Movement in Valuation Allowances and Reserves [Roll Forward]
Balance at beginning of period	20,831	20,712	21,172
Charged to costs and expenses	17,773	1,251	1,862
Charged to other accounts	0	0	0
Deductions	(3,692)	(1,132)	(2,322)
Balance at end of period	$ 34,912	$ 20,831	$ 20,712