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v3.8.0.1

Income Taxes (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2017 | Dec. 31, 2016 | Dec. 31, 2015
Current: |  |  |
Federal | $ 190.6 | $ 234.9 | $ 235.0
State | 29.4 | 31.4 | 34.1
Federal and state deferred | (22.1) | 3.7 | 10.3
Change in valuation allowance, net | 3.3 | 0.3 | 0.1
Adjustments and settlements | 0.3 | 0.3 | (0.5)
Income tax provision | 201.5 | 270.6 | 279.0
Effective Income Tax Rate Reconciliation, Amount [Abstract] |  |  |
Income tax provision at statutory rate | 222.8 | 245.8 | 253.0
Non-deductible expenses, net | 5.9 | 4.6 | 3.5
State income taxes, net of federal benefit | 19.7 | 21.7 | 23.6
Income tax provision, excluding other reconciling items | 248.4 | 272.1 | 280.1
Change in tax rate | (44.2) | 0.0 | 0.0
Change in valuation allowance, net | 3.3 | 0.3 | 0.1
Adjustments and settlements | 0.3 | 0.3 | (0.5)
Federal and state tax credits | (3.7) | (1.9) | (0.6)
Other, net | (2.6) | (0.2) | (0.1)
Income tax provision | $ 201.5 | $ 270.6 | $ 279.0
Effective Income Tax Rate Reconciliation, Percent [Abstract] |  |  |
Income tax provision at statutory rate, % | 35.00% | 35.00% | 35.00%
Non-deductible expenses, net, % | 0.90% | 0.70% | 0.50%
State income taxes, net of federal benefit, % | 3.10% | 3.10% | 3.30%
Income tax provision, excluding other reconciling items, % | 39.00% | 38.80% | 38.80%
Change in tax rate, % | (6.90%) | 0.00% | 0.00%
Change in valuation allowance, net, % | 0.50% | 0.00% | 0.00%
Adjustments and settlements, % | 0.10% | 0.00% | (0.10%)
Federal and state tax credits, % | (0.60%) | (0.30%) | (0.10%)
Other, net, % | (0.40%) | 0.00% | 0.00%
Income tax provision, % | 31.70% | 38.50% | 38.60%
Deferred income tax assets: |  |  |
Inventory | $ 22.8 | $ 36.8 |
Receivable allowances | 1.9 | 3.3 |
Warranty, chargeback, and self - insurance liabilities | 47.4 | 71.2 |
Other accrued liabilities | 25.4 | 33.1 |
Deferred compensation | 18.8 | 31.8 |
Stock-based compensation | 18.9 | 25.7 |
Loss carryforwards—federal and state | 6.5 | 5.4 |
Other, net | 10.2 | 17.1 |
Total deferred income tax assets | 151.9 | 224.4 |
Valuation allowance | (5.4) | (2.5) |
Deferred income tax assets, net of valuation allowance | 146.5 | 221.9 |
Deferred income tax liabilities: |  |  |
Long-lived assets (intangibles assets and property) | (207.1) | (293.3) |
Other, net | (11.3) | (20.1) |
Total deferred income tax liabilities | (218.4) | (313.4) |
Net deferred income tax liabilities | (71.9) | (91.5) |
Deferred Tax Assets, Net, Classification [Abstract] |  |  |
Deferred Tax Liabilities, Net, Noncurrent | 71.9 | 91.5 |
Accrued Income Taxes, Current | 81.1 |  |
Income Taxes Receivable, Current |  | 11.6 |
Valuation Allowance [Line Items] |  |  |
Gross domestic state net operating and capital loss carryforwards | 82.0 |  |
State tax credits | 3.6 |  |
Valuation allowance | (5.4) | $ (2.5) |
Gross domestic state net operating loss carryforwards and capital loss carryforwards | 7.0 |  |
Deferred Tax Asset, Loss Carry Forwards [Member] |  |  |
Deferred income tax assets: |  |  |
Valuation allowance | (3.6) |  |
Valuation Allowance [Line Items] |  |  |
Valuation allowance | (3.6) |  |
Deferred Tax Asset, Share-based Compensation [Member] |  |  |
Deferred income tax assets: |  |  |
Valuation allowance | (1.8) |  |
Valuation Allowance [Line Items] |  |  |
Valuation allowance | $ (1.8) |  |

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