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Schedule of Revenues and Long-Lived Assets, by Domestic and Foreign Operations Segment (Detail) - USD ($)
$ in Thousands
 3 Months Ended
Apr. 30, 2021
Apr. 30, 2020
Jan. 31, 2021
Segment Reporting Information [Line Items]      
Total property and equipment, net $ 988,973 $ 880,353 $ 967,422
Total net sales 927,415 588,483  
Domestic Operations      
Segment Reporting Information [Line Items]      
Total property and equipment, net 789,456 741,237 768,440
Total net sales 826,795 523,556  
Foreign Operations      
Segment Reporting Information [Line Items]      
Total property and equipment, net 199,517 139,116 $ 198,982
Total net sales $ 100,620 $ 64,927