GOODWILL AND INTANGIBLE ASSETS - Additional Information (Details) - USD ($) $ in Millions	12 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2018
Finite-Lived Intangible Assets [Line Items]
Amortization expense of acquired intangible assets	$ 3.1	$ 3.2	$ 2.1
Weighted average useful life	11 years 9 months 18 days
Brand and tradenames
Finite-Lived Intangible Assets [Line Items]
Weighted average useful life	4 years 3 months 18 days
Developed technology
Finite-Lived Intangible Assets [Line Items]
Weighted average useful life	3 years 3 months 18 days
Customer relationships
Finite-Lived Intangible Assets [Line Items]
Weighted average useful life	15 years 3 months 18 days