REVENUE RECOGNITION - Allowance for Doubtful Accounts (Details) - USD ($) $ in Thousands	12 Months Ended
	Jun. 30, 2021	Jun. 30, 2020
Accounts Receivable, Allowance for Credit Loss [Roll Forward]
Balance as of June 30, 2020	$ 6,899	$ 2,000
Provision for doubtful accounts	509
Provision for franchisee rent	1,920
Write-offs	(1,554)
Balance as of June 30, 2021	$ 7,774	$ 6,899