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Inventories (Details) (USD $) In Millions, unless otherwise specified | Mar. 31, 2014 | Dec. 31, 2013
--- | --- | ---
Inventories Net |  |
New vehicles | $ 1,693.8 | $ 1,709.4
Used vehicles | 600.1 | 589.2
Commercial vehicles | 124.0 | 98.9
Parts, accessories and other | 129.4 | 120.8
Total inventories | $ 2,547.3 | $ 2,518.3

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