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Income Taxes (Tables)
9 Months Ended
Jun. 30, 2023
Income Tax Disclosure [Abstract]  
Schedule of Calculation of the Effective Income Tax Rate
The calculation of the effective tax rate is as follows (in thousands):
 Three months ended June 30,Nine months ended June 30,
 2023202220232022
Income (loss) before income taxes$23,645 $2,918 $36,232 $(774)
Income tax provision (benefit)5,191 (6,143)8,142 (5,772)
Net income$18,454 $9,061 $28,090 $4,998 
Effective tax rate22 %(211)%22 %746 %