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Income Taxes (Tables) | 12 Months Ended
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Dec. 31, 2013
Income Tax Disclosure [Abstract] |
Schedule of components of income tax provision (benefit) from continuing operations | The components of the income tax provision from continuing operations for the years ended December 31 are as follows:
| 2013 |  | 2012 |  | 2011
Current: |  |  |  |  |
Federal | $ | 189.7 |  |  | $ | 146.9 |  |  | $ | 125.3 |
State | 28.9 |  |  | 25.1 |  |  | 21.3 |
Federal and state deferred | 13.4 |  |  | 27.1 |  |  | 31.3 |
Change in valuation allowance, net | (3.7 | ) |  | 0.1 |  |  | (0.2 | )
Adjustments and settlements | 0.3 |  |  | 0.3 |  |  | (0.6 | )
Income tax provision | $ | 228.6 |  |  | $ | 199.5 |  |  | $ | 177.1 |
Schedule of reconciliation of income tax provision (benefit) | A reconciliation of the income tax provision calculated using the statutory federal income tax rate to our income tax provision from continuing operations for the years ended December 31 is as follows:
| 2013 |  | % |  | 2012 |  | % |  | 2011 |  | %
Income tax provision at statutory rate | $ | 211.6 |  |  | 35.0 |  |  | $ | 180.9 |  |  | 35.0 |  | $ | 161.4 |  |  | 35.0 |
Non-deductible expenses (income), net | (0.6 | ) |  | (0.1 | ) |  | (0.2 | ) |  | — |  | 1.1 |  |  | 0.2 |
State income taxes, net of federal benefit | 21.7 |  |  | 3.6 |  |  | 18.8 |  |  | 3.6 |  | 16.7 |  |  | 3.6 |
| 232.7 |  |  | 38.5 |  |  | 199.5 |  |  | 38.6 |  | 179.2 |  |  | 38.8 |
Change in valuation allowance, net | (3.7 | ) |  | (0.6 | ) |  | 0.1 |  |  | — |  | (0.2 | ) |  | — |
Adjustments and settlements | 0.3 |  |  | — |  |  | 0.3 |  |  | — |  | (0.6 | ) |  | (0.2 | )
Other, net | (0.7 | ) |  | (0.1 | ) |  | (0.4 | ) |  | — |  | (1.3 | ) |  | (0.2 | )
Income tax provision | $ | 228.6 |  |  | 37.8 |  |  | $ | 199.5 |  |  | 38.6 |  | $ | 177.1 |  |  | 38.4 |
Schedule of net deferred income tax asset and liability | Deferred income tax asset and liability components at December 31 are as follows:
| 2013 |  | 2012
Deferred income tax assets: |  |  |
Inventory | $ | 24.6 |  |  | $ | 20.3 |
Receivable reserves | 3.0 |  |  | 4.0 |
Warranty, chargeback, and self-insurance liabilities | 49.2 |  |  | 42.8 |
Other accrued liabilities | 21.6 |  |  | 18.7 |
Deferred compensation | 19.7 |  |  | 12.9 |
Stock-based compensation | 24.1 |  |  | 20.6 |
Loss carryforwards—federal and state | 10.5 |  |  | 13.8 |
Other, net | 12.7 |  |  | 15.4 |
Total deferred income tax assets | 165.4 |  |  | 148.5 |
Valuation allowance | (2.7 | ) |  | (6.5 | )
Deferred income tax assets, net of valuation allowance | 162.7 |  |  | 142.0 |
Deferred income tax liabilities: |  |  |
Long-lived assets (intangible assets and property) | (200.2 | ) |  | (170.1 | )
Other, net | (21.3 | ) |  | (16.6 | )
Total deferred income tax liabilities | (221.5 | ) |  | (186.7 | )
Net deferred income tax assets (liabilities) | $ | (58.8 | ) |  | $ | (44.7 | )
Schedule of reconciliation of unrecognized tax benefits | A reconciliation of the beginning and ending amount of unrecognized tax benefits is as follows:
| 2013 |  | 2012 |  | 2011
Balance at January 1 | $ | 6.8 |  |  | $ | 6.4 |  |  | $ | 6.9 |
Additions based on tax positions related to the current year | — |  |  | — |  |  | — |
Additions for tax positions of prior years | 0.8 |  |  | 0.5 |  |  | 0.9 |
Reductions for tax positions of prior years | (0.2 | ) |  | — |  |  | — |
Reductions for expirations of statute of limitations | (2.2 | ) |  | — |  |  | — |
Settlements | (0.4 | ) |  | (0.1 | ) |  | (1.4 | )
Balance at December 31 | $ | 4.8 |  |  | $ | 6.8 |  |  | $ | 6.4 |

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- Definition Tabular disclosure of the components of income tax expense attributable to continuing operations for each year presented including, but not limited to: current tax expense (benefit), deferred tax expense (benefit), investment tax credits, government grants, the benefits of operating loss carryforwards, tax expense that results from allocating certain tax benefits either directly to contributed capital or to reduce goodwill or other noncurrent intangible assets of an acquired entity, adjustments of a deferred tax liability or asset for enacted changes in tax laws or rates or a change in the tax status of the entity, and adjustments of the beginning-of-the-year balances of a valuation allowance because of a change in circumstances that causes a change in judgment about the realizability of the related deferred tax asset in future years. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 9 -URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32639-109319 + Details
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- Definition Tabular disclosure of the components of net deferred tax asset or liability recognized in an entity's statement of financial position, including the following: the total of all deferred tax liabilities, the total of all deferred tax assets, the total valuation allowance recognized for deferred tax assets. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32537-109319 + Details
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- Definition Tabular disclosure of the reconciliation using percentage or dollar amounts of the reported amount of income tax expense attributable to continuing operations for the year to the amount of income tax expense that would result from applying domestic federal statutory tax rates to pretax income from continuing operations. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 12 -URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32687-109319 + Details
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- Definition Tabular disclosure of tax positions taken in the tax returns filed or to be filed for which it is more likely than not that the tax position will not be sustained upon examination by taxing authorities (i.e., uncertain tax positions) and other types of income tax contingencies, including: (1) the policy on classification of interest and penalties; (2) a tabular reconciliation of the total amounts of unrecognized tax benefits at the beginning and end of the period; the total amount(s) of: (3) unrecognized tax benefits that, if recognized, would affect the effective tax rate, and (4) interest and penalties recognized in each of the income statement and balance sheet; (5) for positions for which it is reasonably possible that the total amounts unrecognized will significantly change within 12 months of the reporting date the: (i) nature of the uncertainty, (ii) nature of the event that could occur that would cause the change, and (iii) an estimate of the range of the reasonably possible change or a statement that an estimate of the range cannot be made; and (6) a description of tax years that remain subject to examination by major tax jurisdictions. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 15 -URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32718-109319 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name FASB Interpretation (FIN) -Number 48 -Paragraph 21 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. + Details
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