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FAIR VALUE MEASUREMENT - Fair Values of Debt Obligations (Details) - USD ($) $ in Millions | Mar. 31, 2025 | Dec. 31, 2024 | Mar. 16, 2022 | Dec. 15, 2020 | Jan. 12, 2017
--- | --- | --- | --- | --- | ---
Debt |  |  |  |  |
Debt obligations | $ 1,335.4 | $ 1,317.0 |  |  |
Level 2 |  |  |  |  |
Debt |  |  |  |  |
Debt obligations | $ 1,335.4 | $ 1,317.0 |  |  |
3.650% Senior Notes |  |  |  |  |
Debt |  |  |  |  |
Interest rate (as a percent) | 3.65% | 3.65% |  |  | 3.65%
3.650% Senior Notes | Level 2 |  |  |  |  |
Debt |  |  |  |  |
Debt obligations | $ 643.1 | $ 638.4 |  |  |
1.625% Senior Notes |  |  |  |  |
Debt |  |  |  |  |
Interest rate (as a percent) | 1.625% | 1.625% |  | 1.625% |
1.625% Senior Notes | Level 2 |  |  |  |  |
Debt |  |  |  |  |
Debt obligations | $ 425.2 | $ 416.2 |  |  |
3.000% Senior Notes |  |  |  |  |
Debt |  |  |  |  |
Interest rate (as a percent) | 3.00% | 3.00% | 3.00% |  |
3.000% Senior Notes | Level 2 |  |  |  |  |
Debt |  |  |  |  |
Debt obligations | $ 267.1 | $ 262.4 |  |  |

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