Quarterly report pursuant to Section 13 or 15(d)

Discontinued Operations - Narrative (Details)

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Discontinued Operations - Narrative (Details) - USD ($)
3 Months Ended 12 Months Ended
Jan. 03, 2020
Nov. 30, 2022
Aug. 31, 2022
Aug. 31, 2020
Mar. 12, 2021
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]          
Reserve on potential collectability   $ 4,004,000 $ 4,004,000    
Disposal by sale | Overall business          
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]          
Percentage of business sold 88.00%        
Working capital assets transferred $ 1,500,000        
Gross proceeds 19,200,000 19,166,000 19,166,000    
Proceeds from divestiture of businesses 9,700,000        
Gross note receivable $ 9,500,000 9,500,000 9,500,000    
Period for payment of gross proceeds (in years) 4 years        
Customer retention period (in years) 12 months        
Working capital adjustment   2,604,000 2,604,000   $ 10,700,000
Disposal group, including discontinued operations, additional reserve for estimated potential claims   2,892,000 2,892,000    
Note receivable, net   0 $ 0    
Discontinued operation, gain (Loss) on disposal of discontinued operation, net of tax       $ 15,600,000  
Disposal group, including discontinued operation, consideration receivable, notes receivable, working capital adjustments   2,600,000      
Lower net assets transferred at closing   100,000      
Disposal group, including discontinued operations, consideration receivable, notes receivable, working capital adjustments for cash remitted to bank account by former client   $ 2,500,000      
Disposal group including discontinued operations, estimated lower percentage of gross wages   90.00%      
Disposal group including discontinued operations, contingent consideration   $ 1,400,000      
Disposal by sale | PEO business          
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]          
Percentage of business sold 100.00%