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DESCRIPTION OF BUSINESS AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Narrative 1) (Details)
Feb. 28, 2019
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date: 2019-03-01  
Description Of Business And Summary Of Significant Accounting Policies [Line Items]  
Revenue, remaining performance obligation expect to recognize in percentage 48.00%
Revenue, remaining Performance obligation, expected timing of satisfaction, year 2020
Revenue, remaining Performance obligation, expected timing of satisfaction, period 1 year
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date: 2020-03-01  
Description Of Business And Summary Of Significant Accounting Policies [Line Items]  
Revenue, remaining performance obligation expect to recognize in percentage 29.00%
Revenue, remaining Performance obligation, expected timing of satisfaction, year 2021
Revenue, remaining Performance obligation, expected timing of satisfaction, period 1 year