(Loss) Per Share of Common Stock - Reconciliation of Numerator and Denominator for Basic and Diluted (Loss) Earnings Per Share Calculation (Details) - USD ($) $ / shares in Units, $ in Millions		3 Months Ended
		Dec. 31, 2025	Dec. 31, 2024
Earnings Per Share [Abstract]
Net (loss)		$ (15.2)	$ (10.4)
Less: Dividends on Series A convertible preferred shares		(9.0)	(9.0)
Less: Earnings allocated to Convertible Preferred Shares		0.0	0.0
Net loss available to common shareholders		$ (24.2)	$ (19.4)
Weighted average number of common shares outstanding – basic		94,672,000	95,166,000
Basic loss per share		$ (0.26)	$ (0.2)
Net loss available to common shareholders - diluted		$ (24.2)	$ (19.4)
Stock compensation awards		0	0
Weighted average number of common shares outstanding - diluted		94,672,000	95,166,000
Diluted loss per share		$ (0.26)	$ (0.2)
Weighted average number of anti-dilutive Series A convertible preferred shares, options and restricted stock(a)	[1]	58,834,000	58,942,000

[1] Weighted average number of anti-dilutive options is based upon the average closing price of the Company’s common stock on the NYSE for the period.