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Equity-Based Compensation - Additional Information (Details) - USD ($) $ / shares in Units, $ in Millions			3 Months Ended		6 Months Ended		12 Months Ended
	Nov. 18, 2024	Nov. 17, 2023	Mar. 31, 2025	Mar. 31, 2024	Mar. 31, 2025	Mar. 31, 2024	Sep. 30, 2024	Sep. 11, 2023	Mar. 10, 2020
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Equity-based compensation			$ 4.6	$ 4.8	$ 9.1	$ 10.0
Unrecognized compensation cost			$ 31.8		$ 31.8		$ 30.6
Unamortized value of outstanding stock-based compensation, weighted average remaining life					1 year 3 months 18 days		1 year 2 months 12 days
Amended and Restated 2018 Omnibus Incentive Plan
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Number of shares of common stock that may be issued									24,650,000
2023 Employment Inducement Incentive Award Plan
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Number of shares of common stock that may be issued								1,750,000
ESPP
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Common stock shares available for sale			2,100,000		2,100,000
Common stock shares issued	73,000	188,000
Restricted Stock Units (RSU) [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Vesting period					4 years
Non-cash equity-based compensation expense over the requisite service period					$ 9.2
Stock options weighted average grant date fair value					$ 16.92
Performance stock unit awards vested					972,000
RSUs Forfeited					85,000
Common stock shares issued					704,000
Performance stock units issued					704,000
Weighted average distribution price per share of PSU					$ 16.92
Employee Stock Option
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Non-cash equity-based compensation expense over the requisite service period					$ 4.1
Performance Shares
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Weighted average exercise price			$ 17.33		$ 17.33
Performance stock unit awards vested					0
RSUs Forfeited					3,000
Performance stock units issued					281,000
Weighted average distribution price per share of PSU					$ 17.33
Performance Shares \| Minimum
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Performance Stock unit awards vesting rights percentage					0.00%
Performance Shares \| Maximum
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Performance Stock unit awards vesting rights percentage					200.00%