Income taxes	9 Months Ended
	Jun. 30, 2023
Income Tax Disclosure [Abstract]
Income taxes	Income taxesIn determining quarterly provisions for income taxes, the Company uses the annual estimated effective tax rate applied to the actual year-to-date profit or loss, adjusted for discrete items arising in that quarter. For the three and nine months ended June 30, 2023, the Company recorded provisions for income taxes of $0.6 million and $1.4 million, respectively. For the three and nine months ended June 30, 2022, the Company recorded $0.1 million and $10.7 million respectively, of income tax benefit due to the deferred tax liability assumed as part of a business acquisition.