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Receivables (Tables)
9 Months Ended
May 31, 2021
Receivables [Abstract]  
Activity In Allowance For Doubtful Accounts

Balance at August 31, 2020

$

4,159 

Charged to costs and expenses

247 

Amounts written off

(655)

Balance at November 30, 2020

3,751 

Charged to costs and expenses

46 

Amounts written off

(135)

Balance at February 28, 2021

3,662 

Charged to costs and expenses

1,066 

Amounts written off

(185)

Balance at May 31, 2021

$

4,543