Line Of Credit Facility Additional Available Borrowing Capacity

No definition available.

Name:	flt_LineOfCreditFacilityAdditionalAvailableBorrowingCapacity
Namespace Prefix:	flt_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Amount of the total principal payments made during the annual reporting period.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Regulation S-X (SX)
-Number 210
-Section 02
-Paragraph 22
-Article 5

+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Percentage points added to the reference rate to compute the variable rate on the debt instrument.

+ References

No definition available.

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

The reference rate for the variable rate of the debt instrument, such as LIBOR or the US Treasury rate and the maturity of the reference rate used, such as three months or six months LIBOR.

+ References

No definition available.

+ Details

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Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

Effective interest rate for the funds borrowed under the debt agreement considering interest compounding and original issue discount or premium.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.22(a)(1))
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 835
-SubTopic 30
-Section 45
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=6451184&loc=d3e28551-108399

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

Contractual interest rate for funds borrowed, under the debt agreement.

+ References

+ Details

Name:	us-gaap_DebtInstrumentInterestRateStatedPercentage
Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

+ Details

Name:	us-gaap_DebtInstrumentLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

Date when the debt instrument is scheduled to be fully repaid, in CCYY-MM-DD format.

+ References

+ Details

Name:	us-gaap_DebtInstrumentMaturityDate
Namespace Prefix:	us-gaap_
Data Type:	xbrli:dateItemType
Balance Type:	na
Period Type:	duration

- Definition

The amount of debt discount that was originally recognized at the issuance of the instrument that has yet to be amortized.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 835
-SubTopic 30
-Section 45
-Paragraph 1A
-URI http://asc.fasb.org/extlink&oid=6451184&loc=d3e28541-108399

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 835
-SubTopic 30
-Section 55
-Paragraph 8
-URI http://asc.fasb.org/extlink&oid=34725769&loc=d3e28878-108400

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

The carrying value as of the balance sheet date of the current and noncurrent portions of long-term obligations drawn from a line of credit, which is a bank's commitment to make loans up to a specific amount. Examples of items that might be included in the application of this element may consist of letters of credit, standby letters of credit, and revolving credit arrangements, under which borrowings can be made up to a maximum amount as of any point in time conditional on satisfaction of specified terms before, as of and after the date of drawdowns on the line. Includes short-term obligations that would normally be classified as current liabilities but for which (a) postbalance sheet date issuance of a long term obligation to refinance the short term obligation on a long term basis, or (b) the enterprise has entered into a financing agreement that clearly permits the enterprise to refinance the short-term obligation on a long term basis and the following conditions are met (1) the agreement does not expire within 1 year and is not cancelable by the lender except for violation of an objectively determinable provision, (2) no violation exists at the BS date, and (3) the lender has entered into the financing agreement is expected to be financially capable of honoring the agreement.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-03.16)
-URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 944
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.7-03.16)
-URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Regulation S-X (SX)
-Number 210
-Section 02
-Paragraph 19, 20, 22
-Article 5

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

The fee, expressed as a percentage of the line of credit facility, for the line of credit facility regardless of whether the facility has been used.

+ References

No definition available.

+ Details

Name:	us-gaap_LineOfCreditFacilityCommitmentFeePercentage
Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

The effective interest rate during the reporting period.

+ References

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

+ References

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

The fee, expressed as a percentage of the line of credit facility, for available but unused credit capacity under the credit facility.

+ References

No definition available.

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Details

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- Details

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- Details

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- Details

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- Details

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- Details

Name:	us-gaap_LongtermDebtTypeAxis=flt_DomesticRevolvingCreditFacilityMember
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- Details

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- Details

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- Details

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- Details

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- Details

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- Details

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Debt - Summary of Debt Instruments (Parenthetical) (Detail) - USD ($)		12 Months Ended
	Oct. 24, 2014	Dec. 31, 2015	Dec. 31, 2014
Debt Instrument [Line Items]
Unused facility fee, as percentage of unused portion		0.30%
Secured Debt [Member]
Debt Instrument [Line Items]
Amended securitization facility	$ 3,355,000,000
Additional borrowing capacity	$ 500,000,000
Minimum [Member] \| Secured Debt [Member]
Debt Instrument [Line Items]
Unused facility fee, as percentage of unused portion	0.20%
Minimum [Member] \| Federal Funds Rate Plus [Member] \| Secured Debt [Member]
Debt Instrument [Line Items]
Basis spread on variable rate	0.50%
Maximum [Member] \| Secured Debt [Member]
Debt Instrument [Line Items]
Unused facility fee, as percentage of unused portion	0.40%
Maximum [Member] \| Eurodollar [Member] \| Secured Debt [Member]
Debt Instrument [Line Items]
Basis spread on variable rate	1.00%
Revolving A Facility [Member] \| Secured Debt [Member]
Debt Instrument [Line Items]
Amended securitization facility	$ 1,000,000,000
Revolving B Facility [Member] \| Secured Debt [Member]
Debt Instrument [Line Items]
Amended securitization facility	35,000,000
Term Loan A [Member]
Debt Instrument [Line Items]
Debt maturity date		Nov. 14, 2019
Line of credit facility initial borrowing, unamortized debt discount		$ 5,900,000
Term Loan A [Member] \| Secured Debt [Member]
Debt Instrument [Line Items]
Amended securitization facility	2,020,000,000
Term Loan A [Member] \| Domestic Revolving Credit Facility [Member]
Debt Instrument [Line Items]
Interest rate on revolving line of credit		1.92%
Term Loan B [Member]
Debt Instrument [Line Items]
Interest rate on revolving line of credit		3.75%
Debt maturity date		Nov. 14, 2021
Line of credit facility initial borrowing, unamortized debt discount		$ 1,200,000
Term Loan B [Member] \| Secured Debt [Member]
Debt Instrument [Line Items]
Amended securitization facility	$ 300,000,000
Term Loan B [Member] \| Eurocurrency Rate Loans [Member] \| Secured Debt [Member]
Debt Instrument [Line Items]
Fixed interest on line of credit	3.00%
Term Loan B [Member] \| Base Rate [Member] \| Secured Debt [Member]
Debt Instrument [Line Items]
Fixed interest on line of credit	2.00%
Foreign Revolving A Facility [Member]
Debt Instrument [Line Items]
Interest rate on revolving line of credit		1.83%
Line of credit facility amount outstanding		$ 0
Foreign Swing Line [Member]
Debt Instrument [Line Items]
Effective interest rate incurred on term loans		2.04%	2.78%
Term Loan [Member]
Debt Instrument [Line Items]
Principal payments on debt instrument		$ 103,500,000
Securitization Facility [Member]
Debt Instrument [Line Items]
Amended securitization facility		$ 500,000,000
Unused facility fee, as percentage of unused portion		0.40%	0.40%
Program fee		One month LIBOR
Securitization Facility [Member] \| Second Amendment [Member]
Debt Instrument [Line Items]
Amended securitization facility		$ 950,000,000
Securitization Facility [Member] \| First Amendment [Member]
Debt Instrument [Line Items]
Amended securitization facility		$ 1,200,000,000
Securitization Facility [Member] \| Commercial Paper [Member]
Debt Instrument [Line Items]
Basis spread on variable rate		0.90%	0.90%
Program fee rate		0.43%	0.18%