CONSOLIDATED BALANCE SHEETS (Parenthetical) - USD ($) $ in Thousands	Sep. 30, 2025	Sep. 30, 2024
Statement of Financial Position [Abstract]
Accounts receivable, allowance for uncollectible accounts	$ 45,259	$ 37,056
Securitized intangible asset, accumulated amortization	$ 18,473	$ 10,756
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)	161,568,384	155,258,845
Common stock shares outstanding (in shares)	161,568,384	155,258,845