Schedule ll - Valuation and Qualifying Accounts (Tables)

12 Months Ended

Sep. 30, 2023

Notes Tables

Summary of Valuation Allowance [Table Text Block]

		Opening		Charged to					Closing
Year	Description	Balance		Expense		Deductions			Balance
2023	Allowance for estimated credit losses	$	2,158	$	1,428	$	404	(1)	$	3,182
2022	Allowance for estimated credit losses	$	1,405	$	1,781	$	1,028	(1)	$	2,158
2021	Allowance for estimated credit losses	$	1,388	$	338	$	321	(1)	$	1,405