REVENUE - Narrative (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2021	Dec. 31, 2020	Jun. 30, 2021
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]
Capitalized costs, amortization	$ 0.2	$ 0.1	$ 0.3	$ 0.3
Prepaid Expenses and Other Current Assets
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]
Capitalized costs	0.4		0.4		$ 0.4
Other Noncurrent Assets
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]
Capitalized costs	$ 2.0		$ 2.0		$ 2.0
Minimum
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]
Performance obligation, contractual term			36 months
Maximum
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]
Performance obligation, contractual term			60 months