Acquisitions - Additional Information (Detail) - USD ($) $ in Thousands				12 Months Ended
		Aug. 31, 2016	Nov. 14, 2014	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Business Acquisition [Line Items]
Purchase price, net of cash acquired	[1]			$ 1,331,985	$ 49,069	$ 2,395,778
Cash acquired				51,300		165,800
Deferred payments of previous acquisitions				6,100
Equity method investments				36,200	76,568
Aggregate purchase price					46,300	3,670,000
Issuance of new debt in acquisition			$ 2,400,000
Transaction costs				3,300	1,700	$ 3,200
Shell
Business Acquisition [Line Items]
Cash acquired				11,100
Aggregate purchase price				76,700
Masternaut Group Holdings Limited
Business Acquisition [Line Items]
Equity method investments				7,900	8,400
Return on equity method investment				$ 9,200
Equity method investment, ownership percentage				44.00%
Series of Individually Immaterial Business Acquisitions
Business Acquisition [Line Items]
Intangible assets				$ 61,823
Servicos e Technologia de Pagamentos S.A.
Business Acquisition [Line Items]
Cash acquired		$ 40,200
Aggregate purchase price		1,230,000
Intangible assets				584,274
Liabilities arising from contingencies		20,000
Indemnification assets		$ 4,800
Two Thousand Fourteen Acquisition
Business Acquisition [Line Items]
Deferred payments of previous acquisitions					3,400
Comdata Inc.
Business Acquisition [Line Items]
Aggregate purchase price			$ 3,400,000
Intangible assets					1,630,700
Common shares issued to finance acquisition (in shares)			7,625,380
Comdata Inc. | Common Stock
Business Acquisition [Line Items]
Common shares issued to finance acquisition (in shares)			7,600,000
Non-compete agreements | Servicos e Technologia de Pagamentos S.A.
Business Acquisition [Line Items]
Intangible assets				$ 21,600
Non-compete agreements | Comdata Inc.
Business Acquisition [Line Items]
Intangible assets					$ 600

[1] Amounts reported in acquisitions and investment, net of cash acquired, includes debt assumed and immediately repaid in acquisitions.