Represents capital expenditures incurred during the period.

No definition available.

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- Definition

The current period expense charged against earnings on long-lived, physical assets not used in production, and which are not intended for resale, to allocate or recognize the cost of such assets over their useful lives; or to record the reduction in book value of an intangible asset over the benefit period of such asset; or to reflect consumption during the period of an asset that is not used in production.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 360

-SubTopic 10

-Section 50

-Paragraph 1

-Subparagraph (a)

-URI http://asc.fasb.org/extlink&oid=6391035&loc=d3e2868-110229

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 230

-SubTopic 10

-Section 45

-Paragraph 28

-Subparagraph (b)

-URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3602-108585

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- Definition

Aggregate revenue less cost of goods and services sold or operating expenses directly attributable to the revenue generation activity.

+ References

+ Details

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- Definition

The net result for the period of deducting operating expenses from operating revenues.

+ References

No definition available.

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- Definition

Amount of revenue recognized from goods sold, services rendered, insurance premiums, or other activities that constitute an earning process. Includes, but is not limited to, investment and interest income before deduction of interest expense when recognized as a component of revenue, and sales and trading gain (loss).

+ 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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Business Segments, Geographic Information and Major Customers (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended								12 Months Ended
	Dec. 31, 2014	Sep. 30, 2014	Jun. 30, 2014	Mar. 31, 2014	Dec. 31, 2013	Sep. 30, 2013	Jun. 30, 2013	Mar. 31, 2013	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Revenue:
Total revenue	$ 9,779,555us-gaap_Revenues	$ 11,713,463us-gaap_Revenues	$ 11,342,475us-gaap_Revenues	$ 10,550,896us-gaap_Revenues	$ 10,404,653us-gaap_Revenues	$ 10,493,661us-gaap_Revenues	$ 10,479,604us-gaap_Revenues	$ 10,184,029us-gaap_Revenues	$ 43,386,389us-gaap_Revenues	$ 41,561,947us-gaap_Revenues	$ 38,945,338us-gaap_Revenues
Gross profit:
Gross profit	219,466us-gaap_GrossProfit	214,608us-gaap_GrossProfit	191,516us-gaap_GrossProfit	188,032us-gaap_GrossProfit	195,580us-gaap_GrossProfit	186,341us-gaap_GrossProfit	188,458us-gaap_GrossProfit	182,379us-gaap_GrossProfit	813,622us-gaap_GrossProfit	752,758us-gaap_GrossProfit	673,447us-gaap_GrossProfit
Income from operations:
Income from operations									269,148us-gaap_OperatingIncomeLoss	264,358us-gaap_OperatingIncomeLoss	257,023us-gaap_OperatingIncomeLoss
Depreciation and amortization:
Depreciation and amortization									59,399us-gaap_DepreciationAndAmortization	44,710us-gaap_DepreciationAndAmortization	36,714us-gaap_DepreciationAndAmortization
Capital expenditures:
Total capital expenditures									51,781int_CapitalExpenditures	82,716int_CapitalExpenditures	28,454int_CapitalExpenditures
Aviation Segment
Revenue:
Total revenue									17,268,834	16,087,611	14,692,042
Gross profit:
Gross profit									321,596	327,178	294,601
Marine segment
Revenue:
Total revenue									13,843,307	14,790,342	14,750,425
Gross profit:
Gross profit									205,612	177,052	208,028
Land Segment
Revenue:
Total revenue									12,274,248	10,683,994	9,502,871
Gross profit:
Gross profit									286,414	248,528	170,818
Operating Segments
Income from operations:
Income from operations									322,667	309,423	306,673
Operating Segments \| Aviation Segment
Income from operations:
Income from operations									142,303	150,886	128,153
Depreciation and amortization:
Depreciation and amortization									15,419	15,854	17,381
Capital expenditures:
Total capital expenditures									9,017	5,737	4,713
Operating Segments \| Marine segment
Income from operations:
Income from operations									90,029	73,770	103,229
Depreciation and amortization:
Depreciation and amortization									5,559	5,362	5,387
Capital expenditures:
Total capital expenditures									13,854	17,326	8,981
Operating Segments \| Land Segment
Income from operations:
Income from operations									90,335	84,767	75,291
Depreciation and amortization:
Depreciation and amortization									34,684	20,861	10,406
Capital expenditures:
Total capital expenditures									15,962	54,360	7,243
Corporate
Income from operations:
Income from operations									53,519	45,065	49,650
Depreciation and amortization:
Depreciation and amortization									3,737	2,633	3,540
Capital expenditures:
Total capital expenditures									$ 12,948	$ 5,293	$ 7,517