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Segment Information (Details 2) (USD $) In Thousands, unless otherwise specified | 3 Months Ended
--- | ---
Mar. 31, 2013 | Mar. 31, 2012
Revenues and adjusted segment income by reportable segment |  |
Total revenues | $ 3,399,867 | $ 3,156,390
Segment income | 85,587 | 76,990
Retail |  |
Revenues and adjusted segment income by reportable segment |  |
Total revenues | 3,405,665 | 3,156,390
Segment income | 84,424 | 73,156
Other |  |
Revenues and adjusted segment income by reportable segment |  |
Total revenues | 6,886 |
Segment income | 1,273 | 3,834
Intersegment Elimination |  |
Revenues and adjusted segment income by reportable segment |  |
Total revenues | (12,684) |
Segment income | $ (110) |

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