Quarterly report pursuant to Section 13 or 15(d)

CONSOLIDATED BALANCE SHEETS (Parenthetical)

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CONSOLIDATED BALANCE SHEETS (Parenthetical) - USD ($)
$ in Thousands
Jun. 30, 2021
Sep. 30, 2020
Statement of Financial Position [Abstract]    
Allowance for doubtful accounts receivable, current $ 6,607 $ 6,051
Common stock, shares authorized 100,000,000 100,000,000
Common stock, shares issued 61,472,000 61,504,000
Common stock, shares outstanding 61,472,000 61,504,000