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v3.3.1.900

Segment Information (Details) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2015 USD ($) segments | Dec. 31, 2014 USD ($) segments | Dec. 31, 2013 USD ($) segments
Segment Reporting Information [Line Items] |  |  |  |
Number of reportable segments | segments |  | 3 | 3 | 3
Segment Reporting Information, Revenue for Reportable Segment [Abstract] |  |  |  |
Total revenues |  | $ 20,862.0 | $ 19,108.8 | $ 17,517.6
Segment Reporting Information, Income (Loss) before Income Taxes [Abstract] |  |  |  |
Total segment income | [1] | 1,024.5 | 942.4 | 848.1
Corporate and other |  | (209.7) | (174.9) | (161.2)
Other interest expense |  | (90.9) | (86.7) | (88.3)
Loss on debt extinguishment |  | 0.0 | (1.6) | 0.0
Interest income |  | 0.1 | 0.2 | 0.2
Other income (loss), net |  | (1.3) | 2.9 | 5.6
INCOME FROM CONTINUING OPERATIONS BEFORE INCOME TAXES |  | 722.7 | 682.3 | 604.4
Floorplan Interest Expense [Abstract] |  |  |  |
Floorplan interest expense |  | 58.3 | 53.3 | 53.4
Depreciation, Depletion and Amortization [Abstract] |  |  |  |
Depreciation and amortization |  | 127.4 | 106.9 | 95.3
Assets [Abstract] |  |  |  |
Assets |  | 9,558.3 | 8,399.7 | 7,914.1
Segment Reporting, Other Significant Reconciling Item, Consolidated [Abstract] |  |  |  |
Capital expenditures |  | 266.9 | 197.8 | 207.2
AN Reportable Segment, Domestic [Member] |  |  |  |
Segment Reporting Information, Revenue for Reportable Segment [Abstract] |  |  |  |
Total revenues |  | 7,069.8 | 6,359.5 | 5,835.3
Segment Reporting Information, Income (Loss) before Income Taxes [Abstract] |  |  |  |
Total segment income | [1] | 336.9 | 285.0 | 246.6
Floorplan Interest Expense [Abstract] |  |  |  |
Floorplan interest expense |  | 24.1 | 24.4 | 23.7
Depreciation, Depletion and Amortization [Abstract] |  |  |  |
Depreciation and amortization |  | 31.0 | 27.3 | 25.1
Assets [Abstract] |  |  |  |
Assets |  | 2,573.9 | 2,187.3 | 2,143.1
Segment Reporting, Other Significant Reconciling Item, Consolidated [Abstract] |  |  |  |
Capital expenditures |  | 61.4 | 61.7 | 61.9
AN Reportable Segment, Import [Member] |  |  |  |
Segment Reporting Information, Revenue for Reportable Segment [Abstract] |  |  |  |
Total revenues |  | 7,037.2 | 6,717.8 | 6,375.0
Segment Reporting Information, Income (Loss) before Income Taxes [Abstract] |  |  |  |
Total segment income | [1] | 311.4 | 291.3 | 280.1
Floorplan Interest Expense [Abstract] |  |  |  |
Floorplan interest expense |  | 15.0 | 14.5 | 16.3
Depreciation, Depletion and Amortization [Abstract] |  |  |  |
Depreciation and amortization |  | 32.9 | 31.0 | 28.1
Assets [Abstract] |  |  |  |
Assets |  | 2,145.2 | 1,997.7 | 2,030.4
Segment Reporting, Other Significant Reconciling Item, Consolidated [Abstract] |  |  |  |
Capital expenditures |  | 34.0 | 47.0 | 76.1
AN Reportable Segment, Premium Luxury [Member] |  |  |  |
Segment Reporting Information, Revenue for Reportable Segment [Abstract] |  |  |  |
Total revenues |  | 6,607.8 | 5,889.3 | 5,152.3
Segment Reporting Information, Income (Loss) before Income Taxes [Abstract] |  |  |  |
Total segment income | [1] | 376.2 | 366.1 | 321.4
Floorplan Interest Expense [Abstract] |  |  |  |
Floorplan interest expense |  | 18.0 | 13.1 | 12.6
Depreciation, Depletion and Amortization [Abstract] |  |  |  |
Depreciation and amortization |  | 35.0 | 28.3 | 26.9
Assets [Abstract] |  |  |  |
Assets |  | 2,554.6 | 2,051.0 | 1,633.6
Segment Reporting, Other Significant Reconciling Item, Consolidated [Abstract] |  |  |  |
Capital expenditures |  | 101.9 | 68.3 | 45.5
AN Reportable Segments [Member] |  |  |  |
Segment Reporting Information, Revenue for Reportable Segment [Abstract] |  |  |  |
Total revenues |  | 20,714.8 | 18,966.6 | 17,362.6
Corporate and Other [Member] |  |  |  |
Segment Reporting Information, Revenue for Reportable Segment [Abstract] |  |  |  |
Total revenues |  | 147.2 | 142.2 | 155.0
Floorplan Interest Expense [Abstract] |  |  |  |
Floorplan interest expense |  | 1.2 | 1.3 | 0.8
Depreciation, Depletion and Amortization [Abstract] |  |  |  |
Depreciation and amortization |  | 28.5 | 20.3 | 15.2
Segment Reporting, Other Significant Reconciling Item, Consolidated [Abstract] |  |  |  |
Capital expenditures |  | 69.6 | 20.8 | 23.7
Goodwill [Member] | Corporate and Other [Member] |  |  |  |
Assets [Abstract] |  |  |  |
Assets |  | 1,394.5 | 1,314.7 | 1,259.6
Franchise Rights [Member] | Corporate and Other [Member] |  |  |  |
Assets [Abstract] |  |  |  |
Assets |  | 432.4 | 348.1 | 329.3
Other Corporate and Other Assets [Member] | Corporate and Other [Member] |  |  |  |
Assets [Abstract] |  |  |  |
Assets |  | $ 457.7 | $ 500.9 | $ 518.1
[1] | Segment income represents income for each of our reportable segments and is defined as operating income less floorplan interest expense.

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