Summary of Nonvested Restricted Share Awards and Changes During Period

A summary of nonvested RSAs are as follows:


Nonvested Restricted Share Awards	Restricted Share Awards			Grant Date Fair Value
Nonvested at December 31, 2012		207,714		$	13.67
Granted		25,989			16.10
Vested		(88,638	)		12.35

Nonvested at December 31, 2013		145,065			14.91
Granted		106,275			18.57
Vested		(66,670	)		14.59
Forfeited		(1,461	)		20.51

Nonvested at December 31, 2014		183,209			17.11
Granted		125,026			23.82
Vested		(158,973	)		17.21

Nonvested at December 31, 2015		149,262		$	22.62

Summary of Transaction 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, 2012		—		$	—
Transaction stock options converted upon acquisition of ORCC		112,404			30.64
Exercised		(15,501	)		13.92
Cancelled		(34,458	)		30.21

Outstanding as of December 31, 2013		62,445			35.03
Exercised		(909	)		13.92
Cancelled		(15,024	)		31.03

Outstanding as of December 31, 2014		46,512			36.73
Exercised		(1,926	)		13.92
Cancelled		(23,550	)		44.83

Outstanding as of December 31, 2015		21,036		$	29.76		1.68	$	37,587


Exercisable as of December 31, 2015		21,036		$	29.76		1.68	$	37,587

Estimated Fair Value of Options Granted Pricing Model with Weighted-Average Assumptions

The fair value of options granted in the respective fiscal years was estimated on the date of grant using the Black-Scholes option-pricing model, acceptable under ASC 718, with the following weighted-average assumptions:


	Years Ended December 31,
	2015			2014			2013
Expected life (years)		5.9			5.9			6.2
Risk-free interest rate		1.4	%		1.8	%		1.6	%
Expected volatility		32.1	%		45.2	%		46.0	%
Expected dividend yield		—			—			—

Estimated Fair Value of Options Granted 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:


	Year Ended December 31, 2015
Expected life (years)		7.5
Risk-free interest rate		1.7	%
Expected volatility		41.9	%
Expected dividend yield		—

Summary of Nonvested Performance-Based Share Awards and Changes During Period

A summary of the nonvested LTIP Performance Shares is as follows:


Nonvested LTIP Performance Shares	Number of Shares at Expected Attainment			Weighted- Average Grant Date Fair Value
Nonvested at December 31, 2012		3,304,452		$	9.38
Granted		798,306			20.30
Vested		(982,728	)		5.61
Forfeited		(188,511	)		12.33
Change in expected attainment for 2010 grants		(212,943	)		8.88

Nonvested at December 31, 2013		2,718,576			13.78
Granted		19,065			20.13
Vested		(635,643	)		8.88
Forfeited		(111,599	)		16.43
Change in expected attainment for 2012 and 2013 grants		(844,483	)		15.86

Nonvested at December 31, 2014		1,145,916			14.84
Granted		1,025,863			19.12
Vested		(548,671	)		9.75
Forfeited		(205,510	)		19.39
Change in expected attainment for 2011 and 2013 grants		(528,303	)		19.44

Nonvested at December 31, 2015		889,295		$	19.13

Summary of Nonvested Restricted Share Awards and Changes During Period

A summary of nonvested Transaction RSAs issued under the S1 2003 Stock Incentive Plan as of December 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, 2012		150,732		$	11.80
Vested		(35,598	)		11.80
Forfeited		(57,582	)		11.80

Nonvested as of December 31, 2013		57,552			11.80
Vested		(19,822	)		11.80
Forfeited		(20,165	)		11.80

Nonvested as of December 31, 2014		17,565			11.80
Vested		(13,201	)		11.80
Forfeited		(4,364	)		11.80

Nonvested as of December 31, 2015		—		$	—

Summary of Nonvested Performance-Based Share Awards and Changes During Period

A summary of nonvested PBRSAs as of December 31, 2015 and changes during the period are as follows:


Nonvested Performance-Based Restricted Share Awards	Number of Performance-Based Restricted Share Awards			Weighted-Average Grant Date Fair Value
Nonvested as of December 31, 2014		—		$	—
Granted		978,365			23.45
Forfeited		(39,502	)		24.24

Nonvested as of December 31, 2015		938,863		$	23.42

Summary of Nonvested Restricted Share Awards and Changes During Period

A summary of nonvested PAY.ON RSAs are as follows:


Nonvested PAY.ON RSAs	Number of PAY.ON RSAs		Grant Date Fair Value
Nonvested at December 31, 2014		—	$	—
Granted		476,750		23.60

Nonvested at December 31, 2015		476,750	$	23.60