XML 47 R36.htm IDEA: XBRL DOCUMENT v3.20.2
Revenue - Additional Information (Detail)
6 Months Ended
Aug. 31, 2020
Disaggregation Of Revenue [Line Items]  
Revenue unsatisfied performance obligation, practical expedient true
Minimum [Member]  
Disaggregation Of Revenue [Line Items]  
Contract with customer, customer payment terms 30 days
Maximum [Member]  
Disaggregation Of Revenue [Line Items]  
Contract with customer, customer payment terms 60 days