Stock-Based Compensation Plans (Tables)

3 Months Ended

Mar. 31, 2015

Summary of Stock Options Issued Pursuant to Stock Incentive Plans

A summary of stock options issued pursuant to the Company’s stock incentive plans is as follows:

	Number of Shares			Weighted- Average Exercise Price		Weighted- Average Remaining Contractual Term (Years)		Aggregate Intrinsic Value of In- the-Money Options
Outstanding as of December 31, 2014		5,282,693		$	12.06
Granted		2,055,514			19.12
Exercised		(664,229	)		10.41
Forfeited		(2,575	)		17.15
Outstanding as of March 31, 2015		6,671,403		$	14.40		7.05	$	48,465,441
Exercisable as of March 31, 2015		3,689,027		$	10.76		5.18	$	40,228,828

Summary of Nonvested Long-Term Incentive Program Performance Share Awards Outstanding and Changes During Period

A summary of nonvested long-term incentive program performance share awards (“LTIP performance shares”) outstanding as of March 31, 2015 and changes during the period are as follows:

Nonvested LTIP Performance Shares	Number of Shares at Expected Attainment			Weighted- Average Grant Date Fair Value
Nonvested as of December 31, 2014		1,145,916		$	14.84
Granted		1,025,863			19.12
Forfeited		(4,643	)		12.14
Vested		(548,671	)		9.75
Change in expected attainment for 2011 grants		(54,305	)		9.75
Nonvested as of March 31, 2015		1,564,160		$	19.62

Summary of Nonvested Restricted Share Awards and Changes During Period

A summary of nonvested restricted share awards (“RSAs”) as of March 31, 2015 and changes during the period are as follows:

Nonvested Restricted Share Awards	Number of Restricted Share Awards			Weighted-Average Grant Date Fair Value
Nonvested as of December 31, 2014		183,209		$	17.11
Granted		13,915			21.56
Vested		(999	)		15.88
Nonvested as of March 31, 2015		196,125		$	17.43

Online Resources Corporation [Member]

Summary of Stock Options Issued Pursuant to Stock Incentive Plans

A summary of transaction stock options issued pursuant to the Company’s stock incentive plans is as follows:

	Number of Shares			Weighted- Average Exercise Price		Weighted- Average Remaining Contractual Term (Years)		Aggregate Intrinsic Value of In-the-Money Options
Outstanding as of December 31, 2014		46,512		$	36.73
Exercised		(240	)		13.92
Cancelled		(6,366	)		46.80
Outstanding as of March 31, 2015		39,906		$	35.27		1.62	$	51,493
Exercisable as of March 31, 2015		39,906		$	35.27		1.62	$	51,943

S1 Corporation 2003 Stock Incentive Plan [Member]

Summary of Nonvested Restricted Share Awards and Changes During Period

A summary of nonvested Transaction RSAs issued under the S1 Corporation 2003 Stock Incentive Plan as of March 31, 2015 and changes during the period are as follows:

Nonvested Transaction Restricted Share Awards	Number of Restricted Share Awards			Weighted-Average Grant Date Fair Value
Nonvested as of December 31, 2014		17,565		$	11.80
Forfeited		(2,910	)		11.80
Nonvested as of March 31, 2015		14,655		$	11.80

Black Scholes Option Pricing Model [Member]

Estimated Fair Value of Options Granted using Black-Scholes Option-Pricing Model with Weighted-Average Assumptions

The fair value of options that do not vest based on the achievement of certain market conditions granted during the three months ended March 31, 2015 and 2014 were estimated on the date of grant using the Black-Scholes option-pricing model, a pricing model acceptable under U.S. GAAP, with the following weighted-average assumptions:

	Three Months Ended			Three Months Ended
	March 31, 2015			March 31, 2014
Expected life (years)		5.93			5.93
Interest rate		1.4	%		1.8	%
Volatility		32.1	%		45.2	%
Dividend yield		—			—

Monte Carlo Simulation [Member]

Estimated Fair Value of Options Granted using Black-Scholes Option-Pricing Model with Weighted-Average Assumptions

 With respect to options granted that vest based on the achievement of certain market conditions, the grant date fair value of such options was estimated using the following weighted-average assumptions:

	Three Months Ended
	March 31, 2015
Expected life (years)		7.50
Interest rate		1.7	%
Volatility		41.9	%
Dividend yield		—