Quarterly report pursuant to Section 13 or 15(d)

Basis of Presentation (Tables)

Basis of Presentation (Tables)
6 Months Ended
Mar. 31, 2021
Organization, Consolidation and Presentation of Financial Statements [Abstract]  
Accounts Receivable, Allowance for Credit Loss
The following table summarizes the activity for the accounts receivable allowance for doubtful accounts for the six months ended March 31, 2021:
Accounts Receivable Allowance for Doubtful Accounts
Balance at October 1, 2020 $ 9,618 
Current period expense / (deductions) (621)
Translation and other adjustments (1)
Balance at March 31, 2021
$ 8,781 
(1) Includes the impact of foreign currency fluctuations and amounts determined not to be collectible (including direct write-offs), net of recoveries.