v2.4.0.8
Schedule of Financial Performance by Reportable Segment (Details) (USD $)
In Thousands, unless otherwise specified
3 Months Ended 9 Months Ended 12 Months Ended
Sep. 30, 2013
Dec. 31, 2012
Sep. 30, 2012
Jun. 30, 2012
Mar. 31, 2012
Dec. 31, 2011
Sep. 30, 2011
Jun. 30, 2011
Mar. 31, 2011
Sep. 30, 2013
Sep. 30, 2012
Dec. 31, 2012
Dec. 31, 2011
Dec. 31, 2010
Segment Reporting Information                            
Revenue $ 1,298,094 $ 1,067,915 [1] $ 1,016,707 [1] $ 1,006,531 [1] $ 1,031,777 [1] $ 939,632 $ 783,898 $ 759,684 $ 786,648 $ 3,745,839 $ 3,055,015 $ 4,122,930 $ 3,269,862 $ 2,469,881
EBITDA 146,402   109,344             458,201 386,809 510,547 418,068 339,869
Depreciation and amortization 22,157   18,128             61,868 51,574 70,165 54,505 41,428
North America
                           
Segment Reporting Information                            
Revenue 928,307   835,324             2,865,613 2,547,743 3,426,858 3,131,376 2,469,881
EBITDA 108,314   89,265             362,281 331,140 440,448 405,924 339,869
Depreciation and amortization 16,417   14,830             48,555 43,603 59,132 52,481 41,428
Europe
                           
Segment Reporting Information                            
Revenue 369,787   181,383             880,226 507,272 696,072 138,486  
EBITDA 38,088   20,079             95,920 55,669 70,099 12,144  
Depreciation and amortization $ 5,740   $ 3,298             $ 13,313 $ 7,971 $ 11,033 $ 2,024  
[1] Gross margin and operating income during the quarters ended March 31, 2012, June 30, 2012, September 30, 2012 and December 31, 2012 include gains of $8.3 million, $8.4 million, $0.5 million and $0.7 million, respectively, resulting from lawsuit settlements with certain of our aftermarket product suppliers as discussed in Note 8, "Commitments and Contingencies."