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Stockholders' Equity (Stock Repurchase Program) (Details) - USD ($) $ / shares in Units, $ in Millions |  | 1 Months Ended | 6 Months Ended | 9 Months Ended
--- | --- | --- | --- | ---
May 19, 2022 | Jun. 30, 2025 | May 31, 2025 | Jun. 30, 2024 | Sep. 30, 2025 | Sep. 30, 2024
2022 Share Repurchase Program |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |
Number of shares authorized to be repurchased | 200,000,000 |  |  |  |  |
Stock repurchase program, period in force | 3 years |  |  |  |  |
Stock repurchased during period (in shares) |  |  |  | 308,898 |  | 0
Stock repurchased (in usd per share) |  |  |  | $ 91.47 |  |
Stock repurchase price |  |  |  | $ 28.4 |  |
2025 Share Repurchase Program |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |
Number of shares authorized to be repurchased |  |  | 300,000,000 |  |  |
Stock repurchase program, period in force |  |  | 3 years |  |  |
Stock repurchased during period (in shares) |  | 1,057,667 |  |  |  |
Stock repurchased (in usd per share) |  | $ 94.55 |  |  |  |
Stock repurchase price |  | $ 101.0 |  |  |  |
Remaining authorized repurchase amount |  |  |  |  | $ 200.0 |
Stock repurchase program, authorized amount |  |  | $ 100.0 |  |  |

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