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Revenue from Contracts with Customers - Additional Information (Detail) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Jul. 31, 2020
Jul. 31, 2020
Jul. 31, 2019
Jan. 31, 2020
Jan. 31, 2019
Revenue From Contract With Customer [Abstract]          
Contract receivables, net of allowance for doubtful accounts $ 60,441 $ 60,441 $ 95,131 $ 88,288 $ 80,461
Increase (decrease) in allowance for doubtful accounts (2,200) $ 3,600,000      
Gift cards expected redemption period   2 years      
Contract liabilities $ 52,926 $ 52,926 49,747 $ 47,709 $ 41,585
Revenue recognized included in contract liability   $ 18,781 $ 23,081