Stockholders' Equity (Details) - USD ($) $ / shares in Units, $ in Millions	3 Months Ended
	Dec. 31, 2024	Dec. 31, 2023
Class of Stock [Line Items]
Equity Securities Registered, Value	$ 750.0
At-the-market Equity Offering Program, Common Stock Available for Issuance	300.0
Common Stock, Shares Authorized	750.0
Stock-based compensation expense	$ 2.6	$ 0.9
October Two Thousand Twenty Four Grant | Performance Shares
Class of Stock [Line Items]
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period	99,097
Stock-based compensation expense	$ 0.3
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period, Weighted Average Grant Date Fair Value	$ 35.20
October Two Thousand Twenty Four Grant | Performance Shares | Minimum
Class of Stock [Line Items]
Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Rights, Percentage	0.00%
October Two Thousand Twenty Four Grant | Performance Shares | Maximum
Class of Stock [Line Items]
Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Rights, Percentage	200.00%
First Quarter Two Thousand Twenty Five time-based RSU Grants | Time-Based RSU
Class of Stock [Line Items]
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period	306,300
Stock-based compensation expense	$ 2.3
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period, Weighted Average Grant Date Fair Value	$ 29.00
First Quarter Two Thousand Twenty Five time-based RSU Grants | Time-Based RSU | Retirement Eligible
Class of Stock [Line Items]
Stock-based compensation expense	$ 1.1