Reconciliation of Geographic Revenues to External Revenues by Operating Segments (Detail) - USD ($) $ in Thousands		3 Months Ended		6 Months Ended
		Jun. 30, 2016	Jun. 30, 2015	Jun. 30, 2016	Jun. 30, 2015
Segment Reporting Information [Line Items]
Total revenues		$ 1,151,587	$ 692,652	$ 1,890,965	$ 1,354,808
United States
Segment Reporting Information [Line Items]
Total revenues		992,491	523,549	1,572,058	1,020,847
Europe
Segment Reporting Information [Line Items]
Total revenues	[1]	75,160	77,011	144,973	144,688
Canada
Segment Reporting Information [Line Items]
Total revenues	[1]	73,137	72,382	143,052	150,397
Mexico
Segment Reporting Information [Line Items]
Total revenues		2,944	4,099	9,029	8,368
Other
Segment Reporting Information [Line Items]
Total revenues	[1]	7,855	15,611	21,853	30,508
North America Services
Segment Reporting Information [Line Items]
Total revenues		343,803	326,395	681,751	627,126
North America Services | United States
Segment Reporting Information [Line Items]
Total revenues		263,292	244,882	520,941	458,305
North America Services | Europe
Segment Reporting Information [Line Items]
Total revenues	[1]	200	201	399	397
North America Services | Canada
Segment Reporting Information [Line Items]
Total revenues	[1]	73,072	72,360	142,922	150,169
North America Services | Mexico
Segment Reporting Information [Line Items]
Total revenues		2,944	4,099	9,029	8,368
North America Services | Other
Segment Reporting Information [Line Items]
Total revenues	[1]	4,295	4,853	8,460	9,887
International Services
Segment Reporting Information [Line Items]
Total revenues		78,308	87,231	157,561	164,538
International Services | Europe
Segment Reporting Information [Line Items]
Total revenues	[1]	74,960	76,646	144,574	144,269
International Services | Other
Segment Reporting Information [Line Items]
Total revenues	[1]	3,348	10,585	12,987	20,269
Merchant Services
Segment Reporting Information [Line Items]
Total revenues		567,535	137,405	705,514	266,449
Merchant Services | United States
Segment Reporting Information [Line Items]
Total revenues		567,258	137,046	704,978	265,847
Merchant Services | Europe
Segment Reporting Information [Line Items]
Total revenues	[1]		164		22
Merchant Services | Canada
Segment Reporting Information [Line Items]
Total revenues	[1]	65	22	130	228
Merchant Services | Other
Segment Reporting Information [Line Items]
Total revenues	[1]	212	173	406	352
NetSpend
Segment Reporting Information [Line Items]
Total revenues		161,941	141,621	346,139	296,695
NetSpend | United States
Segment Reporting Information [Line Items]
Total revenues		$ 161,941	$ 141,621	$ 346,139	$ 296,695

[1] Revenues are impacted by movements in foreign currency exchange rates.