Disposal group including discontinued operation floor plan notes payable.

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- Definition

The aggregate value (measured at the lower of net carrying value or fair value less cost of disposal) for current assets (assets with expected useful life shorter than one year or one operating cycle, whichever is longer) of a disposal group, including a component of the entity (discontinued operation), to be sold or that has subsequently been disposed of through sale, as of the financial statement date.

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- Definition

Fair value portion of debt instrument payable, including, but not limited to, notes payable and loans payable.

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- Definition

Contractual interest rate for funds borrowed, under the debt agreement.

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- Definition

Amount of gain (loss), before tax expense or benefit and not previously recognized, resulting from the sale of a business component.

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- Definition

Overall income (loss) from a disposal group that is classified as a component of the entity, before income tax, reported as a separate component of income before extraordinary items. Includes the following (before income tax): income (loss) from operations during the phase-out period, gain (loss) on disposal, provision (or any reversals of earlier provisions) for loss on disposal, and adjustments of a prior period gain (loss) on disposal.

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- Definition

For the disposal group, including a component of the entity (discontinued operation), carrying amount of inventories (net of all valuation allowances and write-downs).

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- Definition

For the disposal group, including a component of the entity (discontinued operation), carrying amount of assets not otherwise specified in the taxonomy that are expected to be realized or consumed within one year or the normal operating cycle, if longer.

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- Definition

For the disposal group, including a component of the entity (discontinued operation), obligations not otherwise itemized that are due within one year or operating cycle, if longer, from the balance sheet date.

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- Definition

Amount of sales or other form of revenues attributable to the disposal group, including a component of the entity (discontinued operation), during the reporting period.

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- Definition

Carrying value as of the balance sheet date of current obligations (due less than one year or one operating cycle, if longer) arising from the sale, disposal or planned sale in the near future (generally within one year) of a disposal group, including a component of the entity (discontinued operation).

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- Definition

Carrying amount of long-term debt, net of unamortized discount or premium, including current and noncurrent amounts. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

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Interim Financial Statements (Details 2) (USD $) In Millions, unless otherwise specified										3 Months Ended
	Mar. 31, 2014	Dec. 31, 2013	Mar. 31, 2014 5.75% senior subordinated notes due 2022	Dec. 31, 2013 5.75% senior subordinated notes due 2022	Dec. 31, 2012 5.75% senior subordinated notes due 2022	Mar. 31, 2014 5.75% senior subordinated notes due 2022 Level 2	Mar. 31, 2014 Mortgage facilities	Dec. 31, 2013 Mortgage facilities	Mar. 31, 2014 Mortgage facilities Level 2	Mar. 31, 2014 Retail	Mar. 31, 2013 Retail	Dec. 31, 2013 Retail
Combined financial information regarding entities accounted for as discontinued operations
Revenues										$ 46.6	$ 136.3
Pre-tax income (loss)										(8.2)	1.0
Pre-tax gain (loss) on disposal										14.8
Balance Sheet information regarding entities accounted for as discontinued operations
Inventories										32.3		55.8
Other assets										23.3		51.5
Total assets										55.6		107.3
Floor plan notes payable (including non-trade)										21.8		43.6
Other liabilities										15.1		16.1
Total liabilities	36.9	59.7								36.9		59.7
Interest rate (as a percent)			5.75%	5.75%	5.75%
Fair Value of Financial Instruments
Debt instrument, Carrying Value	1,075.4	1,083.2	550.0	550.0			117.6	118.6
Debt instrument, Fair Value						$ 577.5			$ 116.0