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SEGMENT INFORMATION - Reportable Segment Information (Details) - USD ($) $ in Millions | 3 Months Ended | 12 Months Ended
--- | --- | ---
Dec. 31, 2021 | Sep. 30, 2021 | Jun. 30, 2021 | Mar. 31, 2021 | Dec. 31, 2020 | Sep. 30, 2020 | Jun. 30, 2020 | Mar. 31, 2020 | Dec. 31, 2021 | Dec. 31, 2020 | Dec. 31, 2019
Segment Reporting Information |  |  |  |  |  |  |  |  |  |  |
Revenues | $ 3,489.6 | $ 3,412.8 | $ 3,625.6 | $ 2,953.9 | $ 2,922.0 | $ 2,985.4 | $ 2,094.6 | $ 2,598.2 | $ 13,481.9 | $ 10,600.2 | $ 11,597.9
Gross profit | $ 671.2 | $ 638.7 | $ 649.5 | $ 481.3 | $ 471.1 | $ 503.3 | $ 353.9 | $ 405.8 | 2,440.7 | 1,734.1 | 1,762.4
SG&A expense |  |  |  |  |  |  |  |  | 1,477.2 | 1,138.2 | 1,312.4
Depreciation and amortization expense |  |  |  |  |  |  |  |  | 77.4 | 73.5 | 70.0
Floorplan interest expense |  |  |  |  |  |  |  |  | 27.6 | 39.2 | 60.9
Other interest expense, net |  |  |  |  |  |  |  |  | 55.8 | 61.9 | 74.8
Income (loss) before income taxes |  |  |  |  |  |  |  |  | 800.9 | 380.8 | 222.7
Real estate related capital expenditures |  |  |  |  |  |  |  |  | 45.9 | 24.1 | 89.5
Non-real estate related capital expenditures |  |  |  |  |  |  |  |  | 96.2 | 71.5 | 96.6
Total capital expenditures |  |  |  |  |  |  |  |  | 142.1 | 95.5 | 186.1
Decrease (increase) in accrual for capital expenditures |  |  |  |  |  |  |  |  | (2.9) | 1.7 | 4.1
Asset impairments |  |  |  |  |  |  |  |  | 1.7 | 26.7 | 21.7
Loss on extinguishment of debt |  |  |  |  |  |  |  |  | (3.8) | (13.7) | 0.0
U.S. |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information |  |  |  |  |  |  |  |  |  |  |
Revenues |  |  |  |  |  |  |  |  | 10,846.3 | 8,503.4 | 9,184.2
Gross profit |  |  |  |  |  |  |  |  | 2,089.5 | 1,486.0 | 1,494.8
SG&A expense |  |  |  |  |  |  |  |  | 1,234.9 | 947.0 | 1,075.6
Depreciation and amortization expense |  |  |  |  |  |  |  |  | 60.4 | 57.7 | 55.4
Floorplan interest expense |  |  |  |  |  |  |  |  | 22.2 | 32.2 | 53.7
Other interest expense, net |  |  |  |  |  |  |  |  | 48.5 | 55.0 | 67.5
Income (loss) before income taxes |  |  |  |  |  |  |  |  | 721.8 | 366.6 | 227.9
Real estate related capital expenditures |  |  |  |  |  |  |  |  | 18.9 | 12.9 | 63.8
Non-real estate related capital expenditures |  |  |  |  |  |  |  |  | 82.3 | 60.9 | 70.7
Total capital expenditures |  |  |  |  |  |  |  |  | 101.2 | 73.8 | 134.5
Acquisition costs |  |  |  |  |  |  |  |  | 12.9 |  |
Stock-based compensation expense |  |  |  |  |  |  |  |  |  | 10.6 |
Asset impairments |  |  |  |  |  |  |  |  |  | 13.8 | 14.7
Loss on extinguishment of debt |  |  |  |  |  |  |  |  |  | 13.7 |
Expenses related to unusual events |  |  |  |  |  |  |  |  |  |  | 17.8
U.K. |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information |  |  |  |  |  |  |  |  |  |  |
Revenues |  |  |  |  |  |  |  |  | 2,635.6 | 2,096.8 | 2,413.7
Gross profit |  |  |  |  |  |  |  |  | 351.2 | 248.1 | 267.7
SG&A expense |  |  |  |  |  |  |  |  | 242.2 | 191.2 | 236.9
Depreciation and amortization expense |  |  |  |  |  |  |  |  | 17.0 | 15.8 | 14.6
Floorplan interest expense |  |  |  |  |  |  |  |  | 5.4 | 7.1 | 7.2
Other interest expense, net |  |  |  |  |  |  |  |  | 7.3 | 6.9 | 7.3
Income (loss) before income taxes |  |  |  |  |  |  |  |  | 79.2 | 14.2 | (5.3)
Real estate related capital expenditures |  |  |  |  |  |  |  |  | 27.0 | 11.2 | 25.7
Non-real estate related capital expenditures |  |  |  |  |  |  |  |  | 13.9 | 10.6 | 25.9
Total capital expenditures |  |  |  |  |  |  |  |  | $ 40.9 | 21.8 | $ 51.6
Asset impairments |  |  |  |  |  |  |  |  |  | $ 12.8 |

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Data Type: | na
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