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Inventories (Details) (USD $) In Millions, unless otherwise specified | Dec. 31, 2014 | Dec. 31, 2013
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Inventories |  |
New vehicles | $ 1,792.5 pag_AutomotiveInventoryNewVehiclesNet | $ 1,696.7 pag_AutomotiveInventoryNewVehiclesNet
Used vehicles | 639.9 pag_AutomotiveInventoryUsedVehiclesNet | 582.1 pag_AutomotiveInventoryUsedVehiclesNet
Commercial vehicles and parts | 283.3 pag_AutomotiveInventoryCommercialVehiclesNet | 126.9 pag_AutomotiveInventoryCommercialVehiclesNet
Parts, accessories and other | 103.5 pag_AutomotiveInventoryPartsAccessoriesAndOtherNet | 95.7 pag_AutomotiveInventoryPartsAccessoriesAndOtherNet
Total inventories | $ 2,819.2 us-gaap_InventoryNet | $ 2,501.4 us-gaap_InventoryNet

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- Definition Carrying amount of new vehicle inventory, net of valuation reserves. + References No definition available. + Details
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- Definition Carrying amount of parts, accessories and other inventory, net of valuation reserves. + References No definition available. + Details
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- Definition Amount after valuation and LIFO reserves of inventory expected to be sold, or consumed within one year or operating cycle, if longer. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.6(a)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 330 -SubTopic 10 -Section 35 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6386567&loc=d3e3927-108312 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section 45 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=28358313&loc=d3e6676-107765 + Details
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