XML 47 R36.htm IDEA: XBRL DOCUMENT v3.20.2
Fair Value - Additional Information (Detail)
$ in Thousands
3 Months Ended 9 Months Ended
Oct. 31, 2020
USD ($)
Jul. 31, 2020
USD ($)
Apr. 30, 2020
USD ($)
Location
Oct. 31, 2019
USD ($)
Oct. 31, 2020
USD ($)
Location
Oct. 31, 2019
USD ($)
Jan. 31, 2020
USD ($)
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]              
Number of retail locations | Location     39        
Impairment charges $ 0 $ 0 $ 14,528 $ 0   $ 0  
Right-of-use assets, Carrying value $ 1,101,495     $ 1,119,280 $ 1,101,495 $ 1,119,280 $ 1,170,531
COVID-19              
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]              
Number of retail locations | Location         39    
Right-of-use assets, Carrying value     $ 96,523