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Income Taxes (Tables)
 3 Months Ended
Dec. 31, 2019
Income Tax Disclosure [Abstract]  
Schedule of Unrecognized Tax Benefits
A reconciliation of the beginning and ending amount of unrecognized tax benefits is (in thousands):
Unrecognized tax benefits as of September 30, 2019
$
1,713

Decreases related to:
 
Settlements
(7
)
Expiration of statute of limitations
(39
)
Unrecognized tax benefits as of December 31, 2019
$
1,667