Earnings (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 | 6 Months Ended | ||||
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Mar. 31, 2026 |
Mar. 31, 2025 |
Mar. 31, 2026 |
Mar. 31, 2025 |
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| Earnings Per Share [Abstract] | ||||||
| Net Income (Loss) | $ 1.7 | $ 6.4 | $ (13.5) | $ (4.0) | ||
| Less: Dividends on Series A convertible preferred shares | (8.8) | (8.8) | (17.9) | (17.8) | ||
| Less: Earnings allocated to Convertible Preferred Shares | 0.0 | 0.0 | 0.0 | 0.0 | ||
| Net loss available to common shareholders | $ (7.1) | $ (2.4) | $ (31.4) | $ (21.8) | ||
| Weighted average number of common shares outstanding – basic | 93,982,000 | 95,516,000 | 94,331,000 | 95,339,000 | ||
| Basic loss per share | $ (0.08) | $ (0.03) | $ (0.33) | $ (0.23) | ||
| Net loss available to common shareholders - diluted | $ (7.1) | $ (2.4) | $ (31.4) | $ (21.8) | ||
| Stock compensation awards | 0 | 0 | 0 | 0 | ||
| Weighted average number of common shares outstanding - diluted | 93,982,000 | 95,516,000 | 94,331,000 | 95,339,000 | ||
| Diluted loss per share | $ (0.08) | $ (0.03) | $ (0.33) | $ (0.23) | ||
| Weighted average number of anti-dilutive Series A convertible preferred shares, options and restricted stock(a) | [1] | 58,775,000 | 59,709,000 | 57,697,000 | 59,607,000 | |
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- Definition Securities (including those issuable pursuant to contingent stock agreements) that could potentially dilute basic earnings per share (EPS) or earnings per unit (EPU) in the future that were not included in the computation of diluted EPS or EPU because to do so would increase EPS or EPU amounts or decrease loss per share or unit amounts for the period presented. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- References No definition available.
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- Definition The amount of net income (loss) for the period per each share of common stock or unit outstanding during the reporting period. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition The amount of net income (loss) for the period available to each share of common stock or common unit outstanding during the reporting period and to each share or unit that would have been outstanding assuming the issuance of common shares or units for all dilutive potential common shares or units outstanding during the reporting period. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition The portion of profit or loss for the period, net of income taxes, which is attributable to the parent. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition Amount, after deduction of tax, noncontrolling interests, dividends on preferred stock and participating securities; of income (loss) available to common shareholders. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount, after deduction of tax, noncontrolling interests, dividends on preferred stock and participating securities, and addition from assumption of issuance of common shares for dilutive potential common shares; of income (loss) available to common shareholders. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount of decrease in net income available to common shareholder for down round feature triggered for convertible preferred stock. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition The aggregate value of preferred stock dividends and other adjustments necessary to derive net income apportioned to common stockholders. Reference 1: http://www.xbrl.org/2003/role/recommendedDisclosureRef
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- Definition The sum of dilutive potential common shares or units used in the calculation of the diluted per-share or per-unit computation. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition The average number of shares or units issued and outstanding that are used in calculating diluted EPS or earnings per unit (EPU), determined based on the timing of issuance of shares or units in the period. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Number of [basic] shares or units, after adjustment for contingently issuable shares or units and other shares or units not deemed outstanding, determined by relating the portion of time within a reporting period that common shares or units have been outstanding to the total time in that period. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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