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Impact of the Coronavirus Pandemic - Additional Information (Detail)
$ in Thousands
 3 Months Ended 6 Months Ended
Jun. 17, 2020
USD ($)
Jul. 31, 2020
USD ($)
Apr. 30, 2020
USD ($)
Location
Jul. 31, 2020
USD ($)
Location
Unusual Risk Or Uncertainty [Line Items]        
Line of credit outstanding   $ 120,000 $ 220,000 $ 120,000
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 $ 100,000      
Capital budget after delaying or cancelling projects       45,000
Capital budget       260,000
Capital budget reduced delaying or cancelling projects       $ 215,000
Extention of payment terms for invoices       30 days
Number of retail locations | Location       39
Long lived asset impairment charges   $ 0