Unaudited Pro Forma Information (Detail) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended	6 Months Ended
Jun. 30, 2016	Jun. 30, 2015	Jun. 30, 2016	Jun. 30, 2015
Business Acquisition, Pro Forma Information [Abstract]
Revenue	$ 1,151,587	$ 692,652	$ 1,890,965	$ 1,354,808
Net income attributable to TSYS common shareholders	$ 69,708	$ 82,839	$ 160,336	$ 160,594
Basic EPS attributable to TSYS common shareholders	$ 0.38	$ 0.45	$ 0.87	$ 0.87
Diluted EPS attributable to TSYS common shareholders	$ 0.38	$ 0.45	$ 0.87	$ 0.87
TransFirst
Business Acquisition, Pro Forma Information [Abstract]
Revenue	$ 1,151,587	$ 692,652	$ 1,890,965	$ 1,354,808
Net income attributable to TSYS common shareholders	$ 69,708	$ 82,839	$ 160,336	$ 160,594
Basic EPS attributable to TSYS common shareholders	$ 0.38	$ 0.45	$ 0.87	$ 0.87
Diluted EPS attributable to TSYS common shareholders	$ 0.38	$ 0.45	$ 0.87	$ 0.87
Revenue	$ 1,151,587	$ 1,080,237	$ 2,283,124	$ 2,086,367
Net income attributable to TSYS common shareholders	$ 89,588	$ 80,111	$ 184,729	$ 148,958
Basic EPS attributable to TSYS common shareholders	$ 0.49	$ 0.44	$ 1.01	$ 0.82
Diluted EPS attributable to TSYS common shareholders	$ 0.49	$ 0.44	$ 1.00	$ 0.81

The pro forma basic net income per share for a period as if the business combination or combinations had been completed at the beginning of a period.

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