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Inventories (Details) (USD $) In Millions, unless otherwise specified | Dec. 31, 2013 | Dec. 31, 2012
--- | --- | ---
Inventories |  |
New vehicles | $ 1,709.4 | $ 1,397.4
Used vehicles | 585.5 | 477.0
Commercial vehicles | 126.9 |
Parts, accessories and other | 96.5 | 84.9
Total inventories | $ 2,518.3 | $ 1,959.3

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