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v3.24.0.1

Segment Information - Revenues and Segment Income by Reportable Segment (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021
Segment Reporting Information [Line Items] |  |  |
Revenues | $ 29,527.4 | $ 27,814.8 | $ 25,554.7
Gross profit | 4,933.8 | 4,838.8 | 4,440.8
Selling, general and administrative expenses | 3,400.6 | 3,223.7 | 2,962.9
Floor plan interest expense | 133.1 | 52.4 | 26.2
Other interest expense | 92.6 | 70.4 | 68.6
Depreciation | 141.0 | 127.3 | 121.5
Equity in earnings of affiliates | 293.7 | 494.2 | 374.5
Income from continuing operations before income taxes | 1,419.5 | 1,859.2 | 1,607.7
Impairment charges | 40.7 | 0.0 | 0.0
Retail automotive dealership |  |  |
Segment Reporting Information [Line Items] |  |  |
Revenues | 25,209.1 | 23,694.7 | 22,513.3
Impairment charges | 40.7 |  |
Retail commercial truck dealership |  |  |
Segment Reporting Information [Line Items] |  |  |
Revenues | 3,684.3 | 3,541.3 | 2,465.7
Impairment charges | 0.0 |  |
Other |  |  |
Segment Reporting Information [Line Items] |  |  |
Impairment charges | 0.0 |  |
Operating segments | Retail automotive dealership |  |  |
Segment Reporting Information [Line Items] |  |  |
Revenues | 25,209.1 | 23,694.7 | 22,513.3
Gross profit | 4,176.2 | 4,126.4 | 3,870.2
Selling, general and administrative expenses | 2,948.8 | 2,790.4 | 2,607.3
Floor plan interest expense | 116.0 | 44.5 | 23.9
Other interest expense | 90.3 | 65.1 | 63.8
Depreciation | 124.7 | 112.7 | 108.7
Equity in earnings of affiliates | 3.9 | 3.5 | 8.2
Income from continuing operations before income taxes | 860.5 | 1,118.0 | 1,046.6
Operating segments | Retail commercial truck dealership |  |  |
Segment Reporting Information [Line Items] |  |  |
Revenues | 3,684.3 | 3,541.3 | 2,465.7
Gross profit | 592.4 | 555.1 | 416.9
Selling, general and administrative expenses | 339.2 | 318.3 | 243.3
Floor plan interest expense | 14.5 | 7.5 | 1.9
Other interest expense | 1.3 | 3.9 | 3.3
Depreciation | 11.6 | 10.0 | 7.9
Equity in earnings of affiliates | 0.0 | 0.0 | 0.0
Income from continuing operations before income taxes | 225.0 | 214.7 | 160.3
Operating segments | Other |  |  |
Segment Reporting Information [Line Items] |  |  |
Revenues | 634.0 | 578.8 | 575.7
Gross profit | 165.2 | 157.3 | 153.7
Selling, general and administrative expenses | 112.6 | 115.0 | 112.3
Floor plan interest expense | 2.6 | 0.4 | 0.4
Other interest expense | 1.0 | 1.4 | 1.5
Depreciation | 4.7 | 4.6 | 4.9
Equity in earnings of affiliates | 0.0 | 0.0 | 0.0
Income from continuing operations before income taxes | 44.2 | 35.8 | 34.5
Operating segments | Non-Automotive Investments |  |  |
Segment Reporting Information [Line Items] |  |  |
Revenues | 0.0 | 0.0 | 0.0
Gross profit | 0.0 | 0.0 | 0.0
Selling, general and administrative expenses | 0.0 | 0.0 | 0.0
Floor plan interest expense | 0.0 | 0.0 | 0.0
Other interest expense | 0.0 | 0.0 | 0.0
Depreciation | 0.0 | 0.0 | 0.0
Equity in earnings of affiliates | 289.8 | 490.7 | 366.3
Income from continuing operations before income taxes | $ 289.8 | $ 490.7 | $ 366.3

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