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Multiemployer Pension Plans (Details) (USD $) In Millions, unless otherwise specified | 0 Months Ended | 12 Months Ended
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Jun. 30, 2011 agreements | May 31, 2011 agreements | Dec. 31, 2013 agreements | Dec. 31, 2012 | Dec. 31, 2011
Multiemployer Plans [Line Items] |  |  |  |  |
Number of stores |  |  | 228 |  |
Multiemployer Plans, Pension [Member] |  |  |  |  |
Multiemployer Plans [Line Items] |  |  |  |  |
Number of stores |  |  | 5 |  |
Contributions of AutoNation |  |  | $ 1.1 | $ 0.9 | $ 0.7
Multiemployer Plans, Pension [Member] | Automotive Industries Pension Plan [Member] |  |  |  |  |
Multiemployer Plans [Line Items] |  |  |  |  |
EIN |  |  | 941133245 |  |
Multiemployer plan number |  |  | 001 |  |
Pension Protection Act Zone Status |  |  | Red | Red |
Contributions of AutoNation |  |  | 0.7 | 0.6 | 0.5
Surcharge imposed |  |  | No |  |
Number of collective-bargaining arrangements that require contributions to the Plan |  |  | 2 |  |
Number of collective-bargaining arrangements expired | 1 | 1 |  |  |
Multiemployer Plans, Pension [Member] | Other funds [Member] |  |  |  |  |
Multiemployer Plans [Line Items] |  |  |  |  |
Contributions of AutoNation |  |  | $ 0.4 | $ 0.3 | $ 0.2

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- Definition The number of collective-bargaining agreements that require contributions to multiemployer pension plans. + References No definition available. + Details
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- Definition The number of collective-bargaining agreements, relating to Multiemployer Pension Plans, expiring in the period. + References No definition available. + Details
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- Definition The Tax Identification Number (TIN), also known as an Employer Identification Number (EIN), is a unique 9-digit value assigned by the IRS. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation 12B -Number 240 -Section 12b -Subsection 1 + Details
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- Definition Three digit plan number for a pension or postretirement benefit plan to which two or more unrelated employers contribute where assets contributed by one participating employer may be used to provide benefits to employees of other participating employers. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 80 -Section 50 -Paragraph 5 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=14450570&loc=SL14450657-114947 + Details
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- Definition Amount of contributions made to multiemployer plans by the employer. A multiemployer plan is a pension or postretirement benefit plan to which two or more unrelated employers contribute where assets contributed by one participating employer may be used to provide benefits to employees of other participating employers. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 80 -Section 50 -Paragraph 11 -URI http://asc.fasb.org/extlink&oid=14450570&loc=SL14450702-114947 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 80 -Section 50 -Paragraph 9 -URI http://asc.fasb.org/extlink&oid=14450570&loc=SL14450691-114947 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 80 -Section 50 -Paragraph 5 -Subparagraph (e)(1) -URI http://asc.fasb.org/extlink&oid=14450570&loc=SL14450657-114947 + Details
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- Definition Indicate the multiemployer plan's certified zone status as currently required by the Pension Protection Act of 2006 or a subsequent amendment thereof. The zone status categories are red (critical status), orange (seriously endangered), yellow (endangered), and green (none of the above). The acceptable values are "red", "orange", "yellow", "green", "other", and "NA". A multiemployer plan is a pension or postretirement benefit plan to which two or more unrelated employers contribute where assets contributed by one participating employer may be used to provide benefits to employees of other participating employers. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 80 -Section 50 -Paragraph 5 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=14450570&loc=SL14450657-114947 + Details
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- Details
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- Definition Indicate whether the employer paid a surcharge to the pension or postretirement benefit plan to which two or more unrelated employers contribute where assets contributed by one participating employer may be used to provide benefits to employees of other participating employers. The acceptable values are "no", "yes", and "NA". + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 80 -Section 50 -Paragraph 5 -Subparagraph (f)(2) -URI http://asc.fasb.org/extlink&oid=14450570&loc=SL14450657-114947 + Details
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- Definition Represents the number of stores. + References No definition available. + Details
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