Business Segments (Details) $ in Millions	3 Months Ended	6 Months Ended
Jun. 30, 2015 USD ($)	Jun. 30, 2014 USD ($)	Jun. 30, 2015 USD ($) item	Jun. 30, 2014 USD ($)
Business Segments
Number of reportable operating business segments \| item			3
Revenue:
Total revenue	$ 8,496.4	$ 11,342.5	$ 15,837.1	$ 21,893.4
Gross profit:
Gross profit	190.4	191.5	405.8	379.5
Income from operations:
Income from operations	41.6	59.8	113.0	124.1
Aviation Segment
Revenue:
Total revenue	3,185.3	4,436.5	6,082.3	8,686.4
Gross profit:
Gross profit	85.0	81.8	167.9	150.7
Marine segment
Revenue:
Total revenue	2,805.4	3,532.8	5,126.1	7,013.0
Gross profit:
Gross profit	41.8	48.8	95.7	96.7
Land Segment
Revenue:
Total revenue	2,505.7	3,373.2	4,628.7	6,194.0
Gross profit:
Gross profit	63.6	60.9	142.2	132.1
Operating Segments
Income from operations:
Income from operations	56.1	72.5	141.8	150.1
Operating Segments \| Aviation Segment
Income from operations:
Income from operations	26.0	37.2	53.8	67.2
Operating Segments \| Marine segment
Income from operations:
Income from operations	13.6	20.9	39.7	42.0
Operating Segments \| Land Segment
Income from operations:
Income from operations	16.5	14.4	48.3	40.9
Corporate
Income from operations:
Income from operations	$ 14.5	$ 12.7	$ 28.8	$ 26.0

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+ 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=26872669&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

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