v2.4.0.8

Schedule of Revenue by Product Category (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
Revenue from External Customers |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
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
Aftermarket, other new and refurbished products |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Revenue from External Customers |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Revenue | 793,925 |  |  | 562,750 |  |  |  |  |  |  |  |  |  | 2,199,009 | 1,676,006 | 2,286,853 | 1,634,003 | 1,236,806
Recycled, remanufactured and related products and services |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Revenue from External Customers |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Revenue | 349,411 |  |  | 317,877 |  |  |  |  |  |  |  |  |  | 1,060,681 | 967,250 | 1,277,023 | 1,115,088 | 888,320
Other |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Revenue from External Customers |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Revenue | $ 154,758 |  |  | $ 136,080 |  |  |  |  |  |  |  |  |  | $ 486,149 | $ 411,759 | $ 559,054 | $ 520,771 | $ 344,755
[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."

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- Definition Total revenue from sale of goods and services rendered during the reporting period, in the normal course of business, reduced by sales returns and allowances, and sales discounts. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 225 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.1) -URI http://asc.fasb.org/extlink&oid=6880815&loc=d3e20235-122688 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 1 -Article 5 + Details
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