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ACCUMULATED OTHER COMPREHENSIVE INCOME (LOSS) (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021
Increase (Decrease) in AOCI |  |  |
Beginning balance | $ 2,237.5 | $ 1,825.2 | $ 1,449.6
Other comprehensive income (loss) before reclassifications: |  |  |
Pre-tax | 37.3 | 82.7 | 22.8
Tax effect | (3.3) | (25.8) | (6.9)
Amounts reclassified from accumulated other comprehensive income (loss): |  |  |
Other cumulative foreign currency translation adjustments | 0.0 | 1.5 | 0.0
Provision for income taxes | 8.9 | 0.8 | (3.7)
OTHER COMPREHENSIVE INCOME, NET OF TAX | 5.7 | 178.7 | 27.8
Ending balance | 2,674.4 | 2,237.5 | 1,825.2
Interest Rate Derivative Instruments |  |  |
Amounts reclassified from accumulated other comprehensive income (loss): |  |  |
Pre-tax | (4.0) | 122.8 | 7.9
Floorplan interest income (pre-tax) |  |  |
Amounts reclassified from accumulated other comprehensive income (loss): |  |  |
Pre-tax | (15.4) | (0.8) | 3.7
Other interest income, net (pre-tax) |  |  |
Amounts reclassified from accumulated other comprehensive income (loss): |  |  |
Pre-tax | (17.9) | (2.4) | 4.1
Accumulated Other Comprehensive Income (Loss) |  |  |
Increase (Decrease) in AOCI |  |  |
Beginning balance | 22.5 | (156.2) | (184.0)
Amounts reclassified from accumulated other comprehensive income (loss): |  |  |
OTHER COMPREHENSIVE INCOME, NET OF TAX | 5.7 | 178.7 | 27.8
Ending balance | 28.1 | 22.5 | (156.2)
Accumulated Income (Loss) on Foreign Currency Translation |  |  |
Increase (Decrease) in AOCI |  |  |
Beginning balance | (61.1) | (158.2) | (151.6)
Other comprehensive income (loss) before reclassifications: |  |  |
Pre-tax | 23.7 | (27.2) | (6.7)
Tax effect | 0.0 | 0.0 | 0.0
Amounts reclassified from accumulated other comprehensive income (loss): |  |  |
Other cumulative foreign currency translation adjustments |  | 1.5 |
Provision for income taxes | 0.0 | 0.0 | 0.0
OTHER COMPREHENSIVE INCOME, NET OF TAX | 23.7 | 97.1 | (6.7)
Ending balance | (37.4) | (61.1) | (158.2)
Accumulated Income (Loss) on Foreign Currency Translation | Interest Rate Derivative Instruments |  |  |
Amounts reclassified from accumulated other comprehensive income (loss): |  |  |
Pre-tax | 0.0 | 122.8 | 0.0
Accumulated Income (Loss) on Foreign Currency Translation | Floorplan interest income (pre-tax) |  |  |
Amounts reclassified from accumulated other comprehensive income (loss): |  |  |
Pre-tax | 0.0 | 0.0 | 0.0
Accumulated Income (Loss) on Foreign Currency Translation | Other interest income, net (pre-tax) |  |  |
Amounts reclassified from accumulated other comprehensive income (loss): |  |  |
Pre-tax | 0.0 | 0.0 | 0.0
Accumulated Income (Loss) on Interest Rate Swaps |  |  |
Increase (Decrease) in AOCI |  |  |
Beginning balance | 83.6 | 2.0 | (32.5)
Other comprehensive income (loss) before reclassifications: |  |  |
Pre-tax | 13.7 | 110.0 | 29.5
Tax effect | (3.3) | (25.8) | (6.9)
Amounts reclassified from accumulated other comprehensive income (loss): |  |  |
Other cumulative foreign currency translation adjustments |  | 0.0 |
Provision for income taxes | 8.9 | 0.8 | (3.7)
OTHER COMPREHENSIVE INCOME, NET OF TAX | (18.0) | 81.6 | 34.5
Ending balance | 65.6 | 83.6 | 2.0
Accumulated Income (Loss) on Interest Rate Swaps | Interest Rate Derivative Instruments |  |  |
Amounts reclassified from accumulated other comprehensive income (loss): |  |  |
Pre-tax | (4.0) | 0.0 | 7.9
Accumulated Income (Loss) on Interest Rate Swaps | Floorplan interest income (pre-tax) |  |  |
Amounts reclassified from accumulated other comprehensive income (loss): |  |  |
Pre-tax | (15.4) | (0.8) | 3.7
Accumulated Income (Loss) on Interest Rate Swaps | Other interest income, net (pre-tax) |  |  |
Amounts reclassified from accumulated other comprehensive income (loss): |  |  |
Pre-tax | $ (17.9) | $ (2.4) | $ 4.1

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