REVENUE - Additional Information (Details) - USD ($) $ in Millions	12 Months Ended
	Jun. 30, 2021	Jun. 30, 2020
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]
Amortization of capitalized contract costs	$ 0.6	$ 0.5
Prepaid Expenses and Other Current Assets
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]
Capitalized costs to obtain contracts	0.4	0.4
Noncurrent Assets
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]
Capitalized costs to obtain contracts	$ 2.0	$ 1.8
Minimum
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]
Contractual term	36 months
Maximum
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]
Contractual term	60 months