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ACCUMULATED OTHER COMPREHENSIVE INCOME (LOSS) (Details) - USD ($) $ in Millions | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2024 | Sep. 30, 2023 | Sep. 30, 2024 | Sep. 30, 2023
Increase (Decrease) in AOCI |  |  |  |
Beginning balance | $ 2,866.3 | $ 2,518.9 | $ 2,674.4 | $ 2,237.5
Other comprehensive income (loss) before reclassifications: |  |  |  |
Pre-tax |  |  | 41.8 | 39.2
Tax effect |  |  | (1.5) | (8.5)
Amount reclassified from accumulated other comprehensive income (loss): |  |  |  |
Provision for income taxes |  |  | 7.1 | 6.8
OTHER COMPREHENSIVE INCOME (LOSS), NET OF TAX | 18.8 | (9.0) | 17.7 | 9.1
Ending balance | 2,976.2 | 2,611.4 | 2,976.2 | 2,611.4
Interest Rate Swaps |  |  |  |
Amount reclassified from accumulated other comprehensive income (loss): |  |  |  |
Pre-tax |  |  | (0.2) | (4.0)
Floorplan interest expense (pre-tax) |  |  |  |
Amount reclassified from accumulated other comprehensive income (loss): |  |  |  |
Pre-tax |  |  | (16.1) | (11.2)
Other interest expense, net (pre-tax) |  |  |  |
Amount reclassified from accumulated other comprehensive income (loss): |  |  |  |
Pre-tax |  |  | (13.3) | (13.2)
Accumulated Other Comprehensive Income (loss) |  |  |  |
Increase (Decrease) in AOCI |  |  |  |
Beginning balance | 27.0 | 40.6 | 28.1 | 22.5
Amount reclassified from accumulated other comprehensive income (loss): |  |  |  |
OTHER COMPREHENSIVE INCOME (LOSS), NET OF TAX | 18.8 | (9.0) | 17.7 | 9.1
Ending balance | 45.8 | 31.6 | 45.8 | 31.6
Accumulated Income (Loss) On Foreign Currency Translation |  |  |  |
Increase (Decrease) in AOCI |  |  |  |
Beginning balance |  |  | (37.4) | (61.1)
Other comprehensive income (loss) before reclassifications: |  |  |  |
Pre-tax |  |  | 35.4 | 3.5
Tax effect |  |  | 0.0 | 0.0
Amount reclassified from accumulated other comprehensive income (loss): |  |  |  |
Provision for income taxes |  |  | 0.0 | 0.0
OTHER COMPREHENSIVE INCOME (LOSS), NET OF TAX |  |  | 35.4 | 3.5
Ending balance | (2.0) | (57.6) | (2.0) | (57.6)
Accumulated Income (Loss) On Foreign Currency Translation | Interest Rate Swaps |  |  |  |
Amount reclassified from accumulated other comprehensive income (loss): |  |  |  |
Pre-tax |  |  | 0.0 | 0.0
Accumulated Income (Loss) On Foreign Currency Translation | Floorplan interest expense (pre-tax) |  |  |  |
Amount reclassified from accumulated other comprehensive income (loss): |  |  |  |
Pre-tax |  |  | 0.0 | 0.0
Accumulated Income (Loss) On Foreign Currency Translation | Other interest expense, net (pre-tax) |  |  |  |
Amount reclassified from accumulated other comprehensive income (loss): |  |  |  |
Pre-tax |  |  | 0.0 | 0.0
Accumulated Income (Loss) On Interest Rate Swaps |  |  |  |
Increase (Decrease) in AOCI |  |  |  |
Beginning balance |  |  | 65.6 | 83.6
Other comprehensive income (loss) before reclassifications: |  |  |  |
Pre-tax |  |  | 6.4 | 35.8
Tax effect |  |  | (1.5) | (8.5)
Amount reclassified from accumulated other comprehensive income (loss): |  |  |  |
Provision for income taxes |  |  | 7.1 | 6.8
OTHER COMPREHENSIVE INCOME (LOSS), NET OF TAX |  |  | (17.7) | 5.6
Ending balance | $ 47.9 | $ 89.3 | 47.9 | 89.3
Accumulated Income (Loss) On Interest Rate Swaps | Interest Rate Swaps |  |  |  |
Amount reclassified from accumulated other comprehensive income (loss): |  |  |  |
Pre-tax |  |  | (0.2) | (4.0)
Accumulated Income (Loss) On Interest Rate Swaps | Floorplan interest expense (pre-tax) |  |  |  |
Amount reclassified from accumulated other comprehensive income (loss): |  |  |  |
Pre-tax |  |  | (16.1) | (11.2)
Accumulated Income (Loss) On Interest Rate Swaps | Other interest expense, net (pre-tax) |  |  |  |
Amount reclassified from accumulated other comprehensive income (loss): |  |  |  |
Pre-tax |  |  | $ (13.3) | $ (13.2)

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