STOCK-BASED COMPENSATION - Schedule of Weighted Average Fair Values (Details) - $ / shares	12 Months Ended
Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2018
RSUs
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Weighted average fair values per stock based compensation award granted (in dollars per share)	$ 16.48	$ 21.12	$ 13.43
PSUs
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Weighted average fair values per stock based compensation award granted (in dollars per share)	$ 12.09	$ 14.05	$ 15.74

The weighted average fair value at grant date for nonvested equity-based awards issued during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan).

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)(2)(iii)(1)
-URI http://asc.fasb.org/extlink&oid=116856206&loc=d3e5070-113901

Name:	us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue
Namespace Prefix:	us-gaap_
Data Type:	num:perShareItemType
Balance Type:	na
Period Type:	duration