CONSOLIDATED BALANCE SHEETS (PARENTHETICAL) - USD ($) $ in Thousands	Sep. 30, 2023	Sep. 30, 2022
Statement of Financial Position [Abstract]
Allowance for doubtful accounts	$ 40,840	$ 49,993
Securitized intangible asset, accumulated amortization	$ 1,398
Common stock stated value per share (USD per share)	$ 0.005	$ 0.005
Common stock shares authorized (in shares)	200,000,000	200,000,000
Common stock shares issued (in shares)	148,492,783	140,896,598
Common stock shares outstanding (in shares)	148,492,783	140,896,598