REVENUE RECOGNITION - Revenue Recognized (Details)	12 Months Ended
Jun. 30, 2019
Revenue recognized at a point in time
Disaggregation of Revenue [Line Items]
Performance obligations expected to be satisfied, expected timing	30 days
Revenue recognized over time
Disaggregation of Revenue [Line Items]
Performance obligations expected to be satisfied, expected timing	ten years

Description of timing for satisfying performance obligation in contract with customer. Includes, but is not limited to, as services are rendered, and upon shipment, delivery or completion of service.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 606
-SubTopic 10
-Section 50
-Paragraph 12
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=109196051&loc=SL49130554-203045

Name:	us-gaap_RevenuePerformanceObligationDescriptionOfTiming
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration