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.

No definition available.

+ Details

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

- Definition

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

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
-SubTopic 20
-Section 50
-Paragraph 1
-Subparagraph (c)
-URI http://asc.fasb.org/extlink&oid=116869197&loc=d3e4845-128472

+ Details

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

- Definition

The amount of identifiable intangible assets recognized as of the acquisition date.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
-SubTopic 10
-Section 55
-Paragraph 37
-URI http://asc.fasb.org/extlink&oid=116868840&loc=d3e2207-128464

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
-SubTopic 20
-Section 50
-Paragraph 1
-Subparagraph (c)
-URI http://asc.fasb.org/extlink&oid=116869197&loc=d3e4845-128472

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- Definition

Useful life of finite-lived intangible assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

No definition available.

+ Details

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Balance Type:	na
Period Type:	duration

- Details

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- Details

Name:	us-gaap_BusinessAcquisitionAxis=flt_NvoicePayMember
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- Details

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- Details

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Acquisition - Summary of Preliminary Estimated Fair Value of Intangible Assets Acquired and the Related Estimated Useful Lives (Details) - USD ($) $ in Thousands		6 Months Ended
	Dec. 27, 2018	Jun. 30, 2019	Apr. 01, 2019
Tradename and trademarks
Business Acquisition [Line Items]
Useful Lives (in Years)		14 years 4 months 24 days
NvoicePay
Business Acquisition [Line Items]
Other intangible assets			$ 92,672
Online Gift Card Solution
Business Acquisition [Line Items]
Other intangible assets	$ 8,735
Online Gift Card Solution \| Tradename and trademarks
Business Acquisition [Line Items]
Useful Lives (in Years)	15 years
Finite-lived intangible assets	$ 1,923
Online Gift Card Solution \| Proprietary technology
Business Acquisition [Line Items]
Useful Lives (in Years)	5 years
Finite-lived intangible assets	$ 938
Online Gift Card Solution \| Customer relationships
Business Acquisition [Line Items]
Useful Lives (in Years)	20 years
Finite-lived intangible assets	$ 5,874