XML 129 R50.htm IDEA: XBRL DOCUMENT v3.20.1
DESCRIPTION OF BUSINESS AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Narrative 1) (Details)
Feb. 29, 2020
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 44.00%  
Revenue, remaining Performance obligation, expected timing of satisfaction, year 2021  
Revenue, remaining Performance obligation, expected timing of satisfaction, period 1 year  
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date: 2021-03-01    
Description Of Business And Summary Of Significant Accounting Policies [Line Items]    
Revenue, remaining performance obligation expect to recognize in percentage 26.00% 29.00%
Revenue, remaining Performance obligation, expected timing of satisfaction, year 2022 2022
Revenue, remaining Performance obligation, expected timing of satisfaction, period 1 year 2 years