Disposal group including discontinued operation floor plan notes payable.

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Represents the number of entities newly classified as held for sale.

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Amount classified as assets attributable to disposal group held for sale or disposed of, expected to be disposed of within one year or the normal operating cycle, if longer.

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

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

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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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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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Amount classified as inventory attributable to disposal group held for sale or disposed of.

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Amount classified as other assets attributable to disposal group held for sale or disposed of, expected to be disposed of within one year or the normal operating cycle, if longer.

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Amount classified as other liabilities attributable to disposal group held for sale or disposed of, expected to be disposed of within one year or the normal operating cycle, if longer.

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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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Amount classified as liabilities attributable to disposal group held for sale or disposed of, expected to be disposed of within one year or the normal operating cycle, if longer.

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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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Aggregate cash proceeds received from a combination of transactions in which noncurrent assets are sold, which may include the sale of a business, an investment in an affiliate (including an equity method investee), property, plant and equipment and intangible assets. Excludes sales of trading, available-for-sale, and held-to-maturity securities.

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No definition available.

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Interim Financial Statements (Details 2) $ in Millions	1 Months Ended	3 Months Ended		6 Months Ended
Interim Financial Statements (Details 2) $ in Millions	Feb. 28, 2015 USD ($)	Jun. 30, 2015 USD ($)	Jun. 30, 2014 USD ($)	Jun. 30, 2015 USD ($) item	Jun. 30, 2014 USD ($)	Dec. 31, 2014 USD ($)	Nov. 30, 2014	Aug. 31, 2012
Combined financial information regarding entities accounted for as discontinued operations
Number of entities newly classified as held for sale \| item				0
Balance Sheet information regarding entities accounted for as discontinued operations
Total assets		$ 45.7		$ 45.7		$ 186.6
Total liabilities		29.9		29.9		132.7
Fair Value of Financial Instruments
Debt instrument, Carrying Value		$ 1,162.0		$ 1,162.0		$ 1,352.6
5.75% senior subordinated notes due 2022
Balance Sheet information regarding entities accounted for as discontinued operations
Interest rate (as a percent)		5.75%		5.75%		5.75%		5.75%
Fair Value of Financial Instruments
Debt instrument, Carrying Value		$ 550.0		$ 550.0		$ 550.0
5.75% senior subordinated notes due 2022 \| Level 2
Fair Value of Financial Instruments
Debt instrument, Fair Value		$ 577.5		$ 577.5		$ 558.4
5.375% senior subordinated notes due 2024
Balance Sheet information regarding entities accounted for as discontinued operations
Interest rate (as a percent)		5.375%		5.375%		5.375%	5.375%
Fair Value of Financial Instruments
Debt instrument, Carrying Value		$ 300.0		$ 300.0		$ 300.0
5.375% senior subordinated notes due 2024 \| Level 2
Fair Value of Financial Instruments
Debt instrument, Fair Value		303.0		303.0		306.0
Mortgage facilities
Fair Value of Financial Instruments
Debt instrument, Carrying Value		169.4		169.4		169.7
Mortgage facilities \| Level 2
Fair Value of Financial Instruments
Debt instrument, Fair Value		168.6		168.6		171.6
Hertz car rental franchise
Combined financial information regarding entities accounted for as discontinued operations
Proceeds from sale of business	$ 17.8
Retail Automotive and Hertz car rental franchise
Combined financial information regarding entities accounted for as discontinued operations
Revenues		35.7	$ 65.8	76.0	$ 145.2
Pre-tax loss		(1.2)	$ (8.4)	(5.3)	(18.4)
Pre-tax gain on disposal		0.7		3.0	$ 14.8
Balance Sheet information regarding entities accounted for as discontinued operations
Inventories		21.3		21.3		34.7
Other assets		24.4		24.4		151.9
Total assets		45.7		45.7		186.6
Floor plan notes payable (including non-trade)		16.6		16.6		27.9
Other liabilities		13.3		13.3		104.8
Total liabilities		$ 29.9		$ 29.9		$ 132.7