Consolidated Balance Sheets (Parenthetical) - USD ($) $ in Thousands	Sep. 30, 2025	Sep. 30, 2024
Statement of Financial Position [Abstract]
Accounts receivable, allowance for doubtful accounts (in dollars)	$ 777	$ 1,680
Common stock, par value (in dollars per share)	$ 0.001	$ 0.001
Common stock, shares authorized (in shares)	120,000,000	120,000,000
Common stock, shares issued (in shares)	37,317,175	36,707,840
Common stock, shares outstanding (in shares)	37,317,175	36,707,840
Treasury stock, common (in shares)	6,640,580	6,015,496