GOODWILL AND INTANGIBLE ASSETS - Summary of Amortizable Intangible Asset (Details) - USD ($) $ in Thousands	9 Months Ended	12 Months Ended
	Mar. 31, 2018	Jun. 30, 2017
Finite-Lived Intangible Assets [Line Items]
Intangible assets gross	$ 31,685	$ 885
Accumulated amortization	(1,566)	(263)
Intangible assets, Net	30,119	622
Goodwill, Gross	64,196	11,492
Goodwill	64,196	11,492
Intangible Assets, Net (Including Goodwill) [Abstract]
Total intangible assets & goodwill gross	95,881	12,377
Total intangible assets & goodwill Net	94,315	12,114
Non-compete agreements
Finite-Lived Intangible Assets [Line Items]
Intangible assets gross	2	2
Accumulated amortization	$ (2)	$ (2)
Amortization Period	2 years	2 years
Brand
Finite-Lived Intangible Assets [Line Items]
Intangible assets gross		$ 95
Accumulated amortization		(48)
Intangible assets, Net		$ 47
Amortization Period		3 years
Brand and tradenames
Finite-Lived Intangible Assets [Line Items]
Intangible assets gross	$ 1,695
Accumulated amortization	(160)
Intangible assets, Net	$ 1,535
Brand and tradenames | Maximum
Finite-Lived Intangible Assets [Line Items]
Amortization Period	7 years
Brand and tradenames | Minimum
Finite-Lived Intangible Assets [Line Items]
Amortization Period	3 years
Developed technology
Finite-Lived Intangible Assets [Line Items]
Intangible assets gross	$ 10,939	$ 639
Accumulated amortization	(960)	(191)
Intangible assets, Net	$ 9,979	$ 448
Amortization Period		5 years
Developed technology | Maximum
Finite-Lived Intangible Assets [Line Items]
Amortization Period	6 years
Developed technology | Minimum
Finite-Lived Intangible Assets [Line Items]
Amortization Period	5 years
Customer Relationships
Finite-Lived Intangible Assets [Line Items]
Intangible assets gross	$ 19,049	$ 149
Accumulated amortization	(444)	(22)
Intangible assets, Net	$ 18,605	$ 127
Amortization Period		10 years
Customer Relationships | Maximum
Finite-Lived Intangible Assets [Line Items]
Amortization Period	18 years
Customer Relationships | Minimum
Finite-Lived Intangible Assets [Line Items]
Amortization Period	10 years