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Accounts Receivables (Tables)
 12 Months Ended
Aug. 31, 2021
Accounts Receivables [Abstract]  
Activity In Allowance For Doubtful Accounts

YEAR ENDED

AUGUST 31,

2021

2020

2019

Beginning balance

$

4,159 

$

4,242 

$

3,555 

Charged to costs and expenses

1,553 

2,023 

1,212 

Deductions

(1,069)

(2,106)

(525)

Ending balance

$

4,643 

$

4,159 

$

4,242