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Business Segments (Tables) | 6 Months Ended
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Jun. 30, 2019
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 Six Months Ended
|  | June 30, |  | June 30,
Revenue: |  | 2019 |  | 2018 |  | 2019 |  | 2018
Aviation segment |  | $ | 4,785.0 |  |  | $ | 4,900.7 |  |  | $ | 9,037.7 |  |  | $ | 9,193.6 |
Land segment |  | 2,663.0 |  |  | 2,960.2 |  |  | 5,156.6 |  |  | 5,820.9 |
Marine segment |  | 2,011.4 |  |  | 2,289.9 |  |  | 3,943.9 |  |  | 4,317.7 |
|  | $ | 9,459.4 |  |  | $ | 10,150.8 |  |  | $ | 18,138.2 |  |  | $ | 19,332.2 |
Gross profit: |  |  |  |  |  |  |  |
Aviation segment |  | $ | 140.5 |  |  | $ | 127.4 |  |  | $ | 254.8 |  |  | $ | 237.3 |
Land segment |  | 91.7 |  |  | 88.6 |  |  | 193.2 |  |  | 190.8 |
Marine segment |  | 36.4 |  |  | 30.2 |  |  | 71.6 |  |  | 61.5 |
|  | $ | 268.6 |  |  | $ | 246.2 |  |  | $ | 519.7 |  |  | $ | 489.6 |
Income from operations: |  |  |  |  |  |  |  |
Aviation segment |  | $ | 73.5 |  |  | $ | 64.2 |  |  | $ | 129.1 |  |  | $ | 112.0 |
Land segment |  | 11.8 |  |  | 10.2 |  |  | 32.8 |  |  | 29.9 |
Marine segment |  | 10.1 |  |  | 7.9 |  |  | 23.6 |  |  | 16.4 |
|  | 95.4 |  |  | 82.3 |  |  | 185.5 |  |  | 158.3 |
Corporate overhead - unallocated |  | (20.2 | ) |  | (21.2 | ) |  | (40.0 | ) |  | (40.0 | )
|  | $ | 75.2 |  |  | $ | 61.1 |  |  | $ | 145.6 |  |  | $ | 118.3 |
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
|  | June 30, |  | December 31,
|  | 2019 |  | 2018
Accounts receivable, net: |  |  |  |
Aviation segment, net of allowance for bad debt of $14.4 and $17.7 as of June 30, 2019 and December 31, 2018, respectively |  | $ | 1,099.1 |  |  | $ | 992.2 |
Land segment, net of allowance for bad debt of $3.3 and $2.7 as of June 30, 2019 and December 31, 2018, respectively |  | 872.2 |  |  | 846.1 |
Marine segment, net of allowance for bad debt of $20.3 and $19.0 as of June 30, 2019 and December 31, 2018, respectively |  | 776.5 |  |  | 901.2 |
|  | $ | 2,747.9 |  |  | $ | 2,739.6 |
Total assets: |  |  |  |  |  |
Aviation segment |  | $ | 2,400.6 |  |  | $ | 2,261.0 |
Land segment |  | 2,123.6 |  |  | 2,178.1 |
Marine segment |  | 1,014.3 |  |  | 1,124.2 |
Corporate |  | 212.7 |  |  | 113.6 |
|  | $ | 5,751.2 |  |  | $ | 5,676.9 |

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