Acquisitions - Narrative (Details) - USD ($) $ in Thousands			3 Months Ended		9 Months Ended
	May 01, 2024	Oct. 31, 2023	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023
Business Acquisition [Line Items]
Total revenues			$ 542,441	$ 594,339	$ 1,394,775	$ 1,485,329
Income before income tax expense			23,058	43,206	6,457	93,019
Costs related to acquisition			100	$ 100	100	$ 1,100
Quality Assets and Operations, LLC
Business Acquisition [Line Items]
Company owns economic interest		20.00%
Consideration transferred		$ 18,800
Economic interest percentage		100.00%
Total Acquisitions
Business Acquisition [Line Items]
Total revenues			2,900		2,900
Income before income tax expense			$ 300		$ 300
Consideration transferred	$ 5,712