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Impact of the Coronavirus Pandemic - Additional Information (Detail)
$ in Thousands
3 Months Ended 6 Months Ended 9 Months Ended
Sep. 16, 2020
USD ($)
Jun. 17, 2020
USD ($)
Oct. 31, 2020
USD ($)
Jul. 31, 2020
USD ($)
Apr. 30, 2020
USD ($)
Location
Jul. 31, 2020
USD ($)
Oct. 31, 2020
USD ($)
Location
Unusual Risk Or Uncertainty [Line Items]              
Line of credit outstanding     $ 0       $ 0
Repaid of borrowing     $ 120,000 $ 100,000      
Number of retail locations | Location         39    
Long lived asset impairment charges         $ 14,528   14,528
COVID-19              
Unusual Risk Or Uncertainty [Line Items]              
Line of credit outstanding         $ 220,000    
Repaid of borrowing $ 120,000 $ 100,000          
Capital budget reduced delaying or cancelling projects             65,000
Capital budget             260,000
New capital budget after delaying or cancelling projects             $ 195,000
Extention of payment terms for invoices             30 days
Number of retail locations | Location             39
Long lived asset impairment charges           $ 0 $ 0