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Business Segments (Details) (USD $) In Thousands, unless otherwise specified | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2011 | Sep. 30, 2010 | Sep. 30, 2011 segment | Sep. 30, 2010
Business Segments |  |  |  |
Number of reportable operating business segments |  |  | 3 |
Revenue: |  |  |  |
Total revenue | $ 9,510,792 | $ 4,987,074 | $ 25,298,907 | $ 13,302,370
Gross profit: |  |  |  |
Gross profit | 170,847 | 112,107 | 472,717 | 318,494
Income from operations: |  |  |  |
Income from operations | 70,925 | 45,087 | 192,553 | 132,276
Operating Segments |  |  |  |
Income from operations: |  |  |  |
Income from operations | 84,780 | 55,465 | 228,381 | 158,968
Aviation segment |  |  |  |
Revenue: |  |  |  |
Total revenue | 3,540,503 | 1,857,154 | 9,551,924 | 5,007,920
Gross profit: |  |  |  |
Gross profit | 83,966 | 55,829 | 236,121 | 157,091
Income from operations: |  |  |  |
Income from operations | 41,228 | 31,564 | 117,022 | 86,959
Marine segment |  |  |  |
Revenue: |  |  |  |
Total revenue | 4,045,176 | 2,356,093 | 10,577,578 | 6,731,356
Gross profit: |  |  |  |
Gross profit | 50,069 | 41,194 | 140,958 | 123,787
Income from operations: |  |  |  |
Income from operations | 24,899 | 20,667 | 68,017 | 64,647
Land segment |  |  |  |
Revenue: |  |  |  |
Total revenue | 1,925,113 | 773,827 | 5,169,405 | 1,563,094
Gross profit: |  |  |  |
Gross profit | 36,812 | 15,084 | 95,638 | 37,616
Income from operations: |  |  |  |
Income from operations | 18,653 | 3,234 | 43,342 | 7,362
Corporate |  |  |  |
Income from operations: |  |  |  |
Corporate overhead | $ 13,855 | $ 10,378 | $ 35,828 | $ 26,692

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- Definition Aggregate revenue recognized during the period (derived from goods sold, services rendered, insurance premiums, or other activities that constitute an entity's earning process). For financial services companies, also includes investment and interest income, and sales and trading gains. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Article 5 -Section 03 -Paragraph 1 Reference 2: 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 + Details
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