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Business Segments (Tables) | 9 Months Ended
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Sep. 30, 2018
Segment Reporting [Abstract] |
Schedule of revenue, gross profit and income from operations by segment | Information concerning our revenue, gross profit and income from operations by segment is as follows (in millions):
|  | For the Three Months Ended |  | For the Nine Months Ended
|  | September 30, |  | September 30,
Revenue: |  | 2018 |  | 2017 |  | 2018 |  | 2017
Aviation segment |  | $ | 5,025.3 |  |  | $ | 3,705.8 |  |  | $ | 14,218.9 |  |  | $ | 10,531.6 |
Land segment |  | 2,854.4 |  |  | 2,770.5 |  |  | 8,675.3 |  |  | 8,117.9 |
Marine segment |  | 2,549.8 |  |  | 2,066.7 |  |  | 6,867.5 |  |  | 6,173.9 |
|  | $ | 10,429.5 |  |  | $ | 8,543.0 |  |  | $ | 29,761.7 |  |  | $ | 24,823.4 |
Gross profit: |  |  |  |  |  |  |  |
Aviation segment |  | $ | 140.7 |  |  | $ | 123.9 |  |  | $ | 378.0 |  |  | $ | 334.8 |
Land segment |  | 83.0 |  |  | 85.5 |  |  | 273.8 |  |  | 270.5 |
Marine segment |  | 43.0 |  |  | 30.5 |  |  | 104.5 |  |  | 97.0 |
|  | $ | 266.7 |  |  | $ | 239.9 |  |  | $ | 756.3 |  |  | $ | 702.3 |
Income from operations: |  |  |  |  |  |  |  |
Aviation segment |  | $ | 76.4 |  |  | $ | 61.6 |  |  | $ | 188.3 |  |  | $ | 151.7 |
Land segment |  | 7.8 |  |  | 13.1 |  |  | 37.7 |  |  | 46.7 |
Marine segment |  | 14.4 |  |  | 4.3 |  |  | 30.9 |  |  | 19.9 |
|  | 98.6 |  |  | 79.1 |  |  | 256.9 |  |  | 218.4 |
Corporate overhead - unallocated |  | (20.5 | ) |  | (17.8 | ) |  | (60.4 | ) |  | (55.5 | )
|  | $ | 78.2 |  |  | $ | 61.3 |  |  | $ | 196.4 |  |  | $ | 162.8 |
Schedule of accounts receivable, net and total assets by segment | Information concerning our accounts receivable, net and total assets by segment is as follows (in millions):
|  | As of
|  | September 30, |  | December 31,
|  | 2018 |  | 2017
Accounts receivable, net: |  |  |  |
Aviation segment, net of allowance for bad debt of $11.1 and $10.8 as of September 30, 2018 and December 31, 2017, respectively |  | $ | 1,107.9 |  |  | $ | 1,013.0 |
Land segment, net of allowance for bad debt of $2.8 and $6.6 as of September 30, 2018 and December 31, 2017, respectively |  | 955.4 |  |  | 874.7 |
Marine segment, net of allowance for bad debt of $10.7 and $10.4 as of September 30, 2018 and December 31, 2017, respectively |  | 1,043.6 |  |  | 817.9 |
|  | $ | 3,106.9 |  |  | $ | 2,705.6 |
Total assets: |  |  |  |  |  |
Aviation segment |  | $ | 2,397.8 |  |  | $ | 2,240.4 |
Land segment |  | 2,171.3 |  |  | 2,091.4 |
Marine segment |  | 1,277.4 |  |  | 1,097.1 |
Corporate |  | 161.5 |  |  | 158.9 |
|  | $ | 6,008.0 |  |  | $ | 5,587.8 |

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