UNAUDITED CONDENSED CONSOLIDATED BALANCE SHEETS (Parenthetical) - USD ($) $ in Thousands	Dec. 31, 2023	Sep. 30, 2023
Current Assets:
Allowance for accounts receivable	$ 3,948	$ 2,688
Common Stock
Common stock, par value (in dollars per share)	$ 0.10	$ 0.10
Common stock, shares authorized (in shares)	160,000,000	160,000,000
Common stock, shares issued (in shares)	112,222,865	112,222,865
Common stock, shares outstanding (in shares)	98,623,747	99,426,526
Preferred Stock
Preferred stock shares par value (in dollars per share)	$ 0	$ 0
Preferred stock, shares authorized (in shares)	1,000,000	1,000,000
Preferred stock, shares issued (in shares)	0	0
Treasury Stock
Treasury stock, shares (in shares)	13,599,118	12,796,339