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SHARE-BASED COMPENSATION (Details) - Time Based And Performance Based Shares - USD ($) $ / shares in Units, $ in Millions | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2024 | Sep. 30, 2023 | Sep. 30, 2024 | Sep. 30, 2023
SHARE-BASED AWARDS |  |  |  |
Shares granted | 500 |  | 152,600 |
Weighted average grant date fair value (in dollars per share) | $ 129.25 |  | $ 122.17 |
Total unrecognized compensation cost | $ 28.1 |  | $ 28.1 |
Unrecognized compensation cost over weighted average period to be recognized |  |  | 1 year 8 months 12 days |
Selling, general and administrative expenses |  |  |  |
SHARE-BASED AWARDS |  |  |  |
Total stock-based compensation cost | $ 7.1 | $ 7.8 | $ 19.1 | $ 17.6

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