ORGANIZATION AND SIGNIFICANT ACCOUNTING POLICIES Narrative (Details1)	May 31, 2021
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date: 2021-06-01
Revenue, Performance Obligation [Abstract]
Remaining performance obligation, percentage	60.00%
Revenue, remaining performance obligation, expected timing of satisfaction, period	1 year
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date: 2022-06-01
Revenue, Performance Obligation [Abstract]
Remaining performance obligation, percentage	29.00%
Revenue, remaining performance obligation, expected timing of satisfaction, period	2 years