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Business Acquisitions and Dispositions (Details) (USD $) In Thousands, unless otherwise specified | 12 Months Ended
--- | ---
Dec. 31, 2012 | Dec. 31, 2011 | Dec. 31, 2010
Results associated with dealerships classified as discontinued operations |  |  |
Income (loss) from operations | $ (9,946) | $ (8,593) | $ (11,305)
Gain (loss) on disposal | 10,265 | (386) | 2,629
Lease exit accrual adjustments and charges | (4,293) | (171) | (4,232)
Property impairment charges | (510) | (951) |
Pre-tax income (loss) | (4,484) | (10,101) | (12,908)
Total revenues | $ 182,884 | $ 350,369 | $ 357,784

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