Debt - Schedule of Debt (Tables)

3 Months Ended

Dec. 31, 2025

Debt Disclosure [Abstract]

Schedule of Long-term Debt Instruments

The Company's notes payable at their carrying amounts consist of the following:

	December 31, 2025		September 30, 2025
	(In millions)
Unsecured:
Revolving credit facility	$	—	$	—
5.0% senior notes due 2028 (1)	298.8		298.7
6.5% senior notes due 2033 (1)	494.4		494.1
Other note payable	—		9.9
	$	793.2	$	802.7

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(1)Unamortized debt issuance costs that were deducted from the carrying amounts of the senior notes totaled $6.8 million and $7.2 million at December 31, 2025 and September 30, 2025, respectively.