Acquisition - Purchase price allocation (Details) - Bartell Drug Company - USD ($)
$ in Thousands
 3 Months Ended
Dec. 18, 2020
Nov. 27, 2021
Feb. 27, 2021
Preliminary purchase price      
Cash consideration $ 89,724    
Purchase price 89,724    
Preliminary purchase price allocation      
Cash and cash equivalents 3,494    
Accounts receivable 23,860    
Inventories 67,745    
Prepaid expenses and other current assets 1,857    
Total current assets 96,956    
Property and equipment 28,229    
Operating lease right-of-use assets 143,651    
Intangible assets 68,700    
Other assets 1,805    
Total assets acquired 339,341    
Accounts payable 24,166    
Accrued salaries, wages and other current liabilities 20,335    
Current portion of operating lease liabilities 24,617    
Total current liabilities 69,118    
Long-term operating lease liabilities 124,023    
Other long term liabilities 166    
Total liabilities assumed 193,307    
Deferred tax liabilities recorded on purchase 13,951    
Net assets acquired 132,083    
Bargain purchase gain (42,359) $ (42,359) $ (47,705)
Purchase price $ 89,724