Represents the amount of accrued expenses and other current liabilities assumed at the acquisition date.

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Represents the amount of other current and long-term assets acquired at the acquisition date.

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Cash outflow amount presented incorrectly in the statement of cash flows.

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Weighted average amortization period of finite-lived intangible assets acquired either individually or as part of a group of assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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The pro forma basic net income per share for a period as if the business combination or combinations had been completed at the beginning of a period.

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The pro forma diluted net income per share for a period as if the business combination or combinations had been completed at the beginning of a period.

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The pro forma net Income or Loss for the period as if the business combination or combinations had been completed at the beginning of a period.

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The pro forma revenue for a period as if the business combination or combinations had been completed at the beginning of the period.

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This element represents the fair value of the noncontrolling interest in the acquiree at the acquisition date.

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Amount of consideration transferred, consisting of acquisition-date fair value of assets transferred by the acquirer, liabilities incurred by the acquirer, and equity interest issued by the acquirer.

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Amount of liabilities incurred by the acquirer as part of consideration transferred in a business combination.

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Amount of currency on hand as well as demand deposits with banks or financial institutions, acquired at the acquisition date. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates.

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Amount due from customers or clients for goods or services, including trade receivables, that have been delivered or sold in the normal course of business, and amounts due from others, including related parties expected to be converted to cash, sold or exchanged within one year or the normal operating cycle, if longer, acquired at the acquisition date.

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Amount of liabilities incurred for goods and services received that are used in an entity's business and related party payables, assumed at the acquisition date.

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Amount of intangible assets, excluding goodwill, acquired at the acquisition date.

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The amount of inventory recognized as of the acquisition date.

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Amount of other liabilities due after one year or the normal operating cycle, if longer, assumed at the acquisition date.

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The amount of property, plant, and equipment recognized as of the acquisition date.

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Amount recognized as of the acquisition date for the assets, including goodwill, in excess of (less than) the aggregate liabilities assumed, less the noncontrolling interest in the acquiree.

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The cash inflow associated with the acquisition of business during the period (for example, cash that was held by the acquired business).

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The designation of funds furnished by a borrower to a lender to assure future payments of the borrower's real estate taxes and insurance obligations with respect to a mortgaged property. Escrow deposits may be made for a variety of other purposes such as earnest money and contingent payments. This element excludes replacement reserves which are an escrow separately provided for within the US GAAP taxonomy.

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Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

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Amount of increase (decrease) from foreign currency translation adjustments of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

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The net cash inflow or outflow for the increase (decrease) associated with funds that are not available for withdrawal or use (such as funds held in escrow) and are associated with underlying transactions that are classified as investing activities.

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The cash outflow associated with the acquisition of business during the period. The cash portion only of the acquisition price.

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The cash outflow associated with the acquisition of a business, net of the cash acquired from the purchase.

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Acquisitions and Significant Accounting Policies (Details)	3 Months Ended	6 Months Ended			0 Months Ended		3 Months Ended	6 Months Ended				0 Months Ended			6 Months Ended
	Sep. 30, 2013 USD ($)	Jun. 30, 2014 USD ($)	Jun. 30, 2013 USD ($)	Dec. 31, 2013 USD ($)	Mar. 07, 2014 2014 Acquisitions Watson Petroleum USD ($)	Mar. 07, 2014 2014 Acquisitions Watson Petroleum GBP (£)	Jun. 30, 2013 2014 Acquisitions Watson Petroleum USD ($)	Jun. 30, 2014 2014 Acquisitions Watson Petroleum USD ($)	Jun. 30, 2013 2014 Acquisitions Watson Petroleum USD ($)	Jun. 30, 2014 2014 Acquisitions Watson Petroleum GBP (£)	Mar. 07, 2014 2014 Acquisitions Watson Petroleum Trademark/Trade name rights USD ($)	Mar. 07, 2014 2014 Acquisitions Watson Petroleum Customer relationships USD ($)	Mar. 07, 2014 2014 Acquisitions Watson Petroleum Other identifiable intangible assets USD ($)	Jun. 30, 2014 2014 Acquisitions Watson Petroleum Land segment USD ($)	Jun. 30, 2014 2013 Acquisitions Land segment Adjustment USD ($)	Jun. 30, 2014 2013 Acquisitions Marine segment Adjustment USD ($)
Acquisitions and Significant Accounting Policies
Incorrect cash flow presentation related to an acquisition payment	$ 17,700,000
Estimated purchase price of acquisition
Estimated purchase price					167,038,000
Less: Cash acquired					11,842,000
Estimated purchase price, net of cash acquired		164,205,000	25,415,000		155,196,000
Less: Amounts due to sellers					789,000
Cash paid for acquisition of businesses					154,407,000
Assets acquired:
Cash and cash equivalents					11,842,000
Accounts receivable					217,727,000
Inventories					20,534,000
Property and equipment					60,358,000
Identifiable intangible assets					51,119,000						5,900,000	43,600,000	1,600,000
Goodwill		577,157,000		483,591,000	92,149,000									92,100,000	400,000
Other current and long-term assets					12,764,000
Weighted average amortizable lives of identifiable intangible assets												4 years 1 month 6 days	2 years
Increase (decrease) in goodwill due to foreign currency translation adjustments															700,000	400,000
Liabilities assumed:
Accounts payable					(230,386,000)
Accrued expenses and other current liabilities					(47,972,000)
Other long-term liabilities					(19,142,000)
Initial noncontrolling interest upon acquisition of joint venture					(1,955,000)
Estimate purchase price					167,038,000
Escrow payment related to an assumed obligation of an acquired business		21,724,000			21,700,000	13,000,000
Escrow account balance								22,200,000		13,000,000
Pro forma results
Revenue							10,985,812,000	22,320,916,000	21,705,901,000
Net income attributable to World Fuel							$ 54,226,000	$ 100,902,000	$ 107,853,000
Earnings per common share:
Basic (in dollars per share)							$ 0.76	$ 1.43	$ 1.51
Diluted (in dollars per share)							$ 0.75	$ 1.41	$ 1.50