Accounts Receivable Allowances - Schedule of Accounts Receivable Allowance (Details) - Allowance for doubtful accounts - USD ($) $ in Thousands	12 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2018
Movement in Valuation Allowances and Reserves
Beginning Balance	$ 8,906	$ 1,945	$ 2,370
Charged to Cost and Expenses (Recovered), net	(3,081)	7,058	(96)
Write-offs	(1,239)	(97)	(329)
Ending Balance	$ 4,586	$ 8,906	$ 1,945