ORGANIZATION AND DESCRIPTION OF BUSINESS (Details) $ / shares in Units, $ in Millions	12 Months Ended
	Jun. 30, 2019 USD ($) segment	Jun. 30, 2018 USD ($)	Jun. 30, 2017 USD ($)	May 08, 2019 $ / shares
Number of segments | segment	4
Acquisition related costs	$ 17.0	$ 18.6	$ 20.5
Merger Agreement [Member]
Acquisition related costs	14.2
Merger Agreement [Member] | Selling, general and administrative expenses
Acquisition related costs	$ 12.9
Merger Agreement [Member] | Consortium of Private Equity Funds [Member] | Front Range TopCo, Inc. and Front Range BidCo, Inc. [Member]
Par value (per share) | $ / shares				$ 0.001
Consideration in cash (per share) | $ / shares				$ 35.00