Consolidated Balance Sheets (Parenthetical) - $ / shares shares in Thousands	Dec. 31, 2025	Sep. 30, 2025
Statement of Financial Position [Abstract]
Common stock, par value (in dollars per share)	$ 0.001	$ 0.001
Common stock, shares authorized (in shares)	290,000	290,000
Common stock, shares issued (in shares)	140,052	138,363
Common stock, shares outstanding (in shares)	137,391	135,702
Treasury stock (in shares)	2,661	2,661