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VALUATION AND QUALIFYING ACCOUNTS
12 Months Ended
Sep. 30, 2023
SEC Schedule, 12-09, Valuation and Qualifying Accounts [Abstract]  
VALUATION AND QUALIFYING ACCOUNTS
VALUATION AND QUALIFYING ACCOUNTS
YEARS ENDED SEPTEMBER 30, 2023, 2022 and 2021

(Thousands)ADDITIONS/ (DEDUCTIONS), NET TO
EXPENSE
CLASSIFICATIONBEGINNING
BALANCE
OTHERENDING BALANCE
2023
Valuation allowance for deferred tax assets$22,241 (16,494)(1) $5,747 
Allowance for doubtful accounts$19,379 1,570 (9,913)(2)$11,036 
2022
Valuation allowance for deferred tax assets$23,613 (1,372)— $22,241 
Allowance for doubtful accounts$24,652 2,401 (7,674)(2)$19,379 
2021
Valuation allowance for deferred tax assets$17,639 6,355 (381)$23,613 
Allowance for doubtful accounts$7,242 18,986 (1,576)(2)$24,652 
(1)Includes valuation allowance release for CEV, see Note 12. Income Taxes for more details.
(2)Uncollectible accounts written off, less recoveries and adjustments.