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Stockholders' Equity (Narrative) (Details) - USD ($) $ / shares in Units, $ in Millions |  | 1 Months Ended | 3 Months Ended | 9 Months Ended |
--- | --- | --- | --- | --- | ---
Jul. 10, 2023 | Mar. 31, 2025 | Mar. 31, 2024 | Sep. 30, 2025 | Jun. 30, 2025 | Mar. 31, 2025 | Sep. 30, 2024 | Jun. 30, 2024 | Sep. 30, 2025 | Sep. 30, 2024 | Jun. 20, 2023
Class of Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |
Stock Issued During Period, Shares, New Issues | 200,000,000 |  |  |  |  |  | 115,661 |  | 1,415,924 | 567,491 |
Direct Costs of Stock Issuance |  |  |  |  |  |  | $ 0.1 |  | $ 0.6 | $ 0.1 |
Preferred Stock, Par Value Per Share |  |  |  |  |  |  |  |  |  |  | $ 1.00
Share-based Payment Arrangement, Decrease for Tax Withholding Obligation |  |  |  | $ (0.4) | $ (2.2) | $ (0.3) |  | $ (0.4) |  |  |
Share-Based Payment Arrangement, Reclassification From Equity To Liability |  |  |  | 3.6 |  |  |  |  |  | 0.1 |
Payments for Share-Based Compensation Arrangement Reclassification |  |  |  | 2.2 |  |  |  |  |  | 0.3 |
Minimum [Member] |  |  |  |  |  |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |
Purchase Price Increase Per Share |  |  |  |  |  |  |  |  |  |  | 18.00
Maximum [Member] |  |  |  |  |  |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |
Purchase Price Increase Per Share |  |  |  |  |  |  |  |  |  |  | $ 160.38
Common Class A [Member] |  |  |  |  |  |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |
Stock Issued During Period, Value, Gross |  |  |  |  |  |  | 4.6 |  | 143.2 | 24.5 |
Stock Issued During Period, Value, Net |  |  |  |  |  |  | $ 4.5 |  | $ 140.1 | $ 23.8 |
Preferred Stock [Member] |  |  |  |  |  |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |
Share-based Payment Arrangement, Decrease for Tax Withholding Obligation |  |  |  | 0.0 | 0.0 | 0.0 |  | 0.0 |  |  |
Common Stock [Member] | Common Class A [Member] |  |  |  |  |  |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |
Share-based Payment Arrangement, Decrease for Tax Withholding Obligation |  |  |  | 0.0 | 0.0 | 0.0 |  | 0.0 |  |  |
Excess of Capital over Par Value [Member] |  |  |  |  |  |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |
Share-based Payment Arrangement, Decrease for Tax Withholding Obligation |  | $ (0.3) | $ (0.1) | $ (0.4) | $ (2.2) | $ (0.3) |  | $ (0.4) |  |  |

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