GOODWILL AND OTHER IDENTIFIABLE INTANGIBLE ASSETS - Weighted Average Useful Life (Details)	9 Months Ended	12 Months Ended
Feb. 28, 2021	May 31, 2020
Weighted Average
Amortizing Intangible Assets
Weighted Average Useful Life, amortizing intangible assets (in years)	11 years	11 years

Useful life of finite-lived intangible assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

No definition available.

Name:	us-gaap_FiniteLivedIntangibleAssetUsefulLife
Namespace Prefix:	us-gaap_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration