Summary Of Significant Accounting Policies (Policy)	3 Months Ended
Summary Of Significant Accounting Policies (Policy)	Mar. 31, 2012
Summary Of Significant Accounting Policies [Abstract]
Basis Of Presentation	Basis of Presentation Throughout this report, the terms "our," "we," "us," and the "Company" refers to FleetCor Technologies, Inc. and its subsidiaries. The Company prepared the accompanying interim consolidated financial statements in accordance with Rule 10-01 of Regulation S-X. Accordingly, they do not include all of the information and footnotes required by accounting principles generally accepted in the United States ("GAAP"). The unaudited consolidated financial statements reflect all adjustments considered necessary for fair presentation. These adjustments consist primarily of normal recurring accruals and estimates that impact the carrying value of assets and liabilities. Actual results may differ from these estimates. Operating results for the three month period ended March 31, 2012 are not necessarily indicative of the results that may be expected for the year ending December 31, 2012. The unaudited consolidated interim financial statements should be read in conjunction with the audited consolidated financial statements and notes thereto included in the Company's Annual Report on Form 10-K for the year ended December 31, 2011.
Foreign Currency Translation	Foreign Currency Translation Assets and liabilities of foreign subsidiaries are translated into U.S. dollars at the rates of exchange in effect at period-end. The related translation adjustments are made directly to accumulated other comprehensive income. Income and expenses are translated at the average monthly rates of exchange in effect during the period. Gains and losses from foreign currency transactions of these subsidiaries are included in net income. The Company recognized a foreign exchange loss of $175,000 for the three months ended March 31, 2012 and a foreign exchange gain of $37,000 for the three months ended March 31, 2011, which are classified within other income, net in the Unaudited Consolidated Statements of Income.
Comprehensive Income	Comprehensive Income Comprehensive income is defined as the total of net income and all other changes in equity that result from transactions and other economic events of a reporting period other than transactions with owners. The Company discloses comprehensive income in the Consolidated Statements of Comprehensive Income.

Disclosure of accounting policy for (1) transactions denominated in a currency other than the reporting enterprise's functional currency, (2) translating foreign currency financial statements that are incorporated into the financial statements of the reporting enterprise by consolidation, combination, or the equity method of accounting, and (3) remeasurement of the financial statements of a foreign reporting enterprise in a hyperinflationary economy.

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