Fair Value of Financial Instruments (Tables)
3 Months Ended
May 31, 2020
Fair Value Disclosures [Abstract]  
Fair value of financial instruments
    Fair Value Measurements as at May 31, 2020  
    Carrying Amount     Fair Value     Level in the hierarchy  
Instruments measured at fair value on a recurring basis:                  
Foreign exchange contracts   $ 125,951     $ 125,951       Level 1  
                         
Instruments measured at amortized cost:                        
Long-term debt   $ 2,236,221     $ 2,246,745       Level 2  

 

    Fair Value Measurements at February 29, 2020  
    Carrying Amount     Fair Value     Level in the hierarchy  
Instruments measured at fair value on a recurring basis:                  
Foreign exchange contracts   $ 26,840     $ 26,840       Level 1  
                         
Instruments measured at amortized cost:                        
Long-term debt   $ 2,290,152     $ 2,291,109       Level 2