Share-Based Compensation to Employees Share-Based Compensation to Employees (Tables)

12 Months Ended

Dec. 31, 2014

Disclosure of Compensation Related Costs, Share-based Payments [Abstract]

Schedule of weighted average assumptions using the Black-Scholes option-pricing model

The weighted-average grant date fair value of stock options granted during the year ended December 31, 2014, the three months ended December 31, 2013, and the years ended September 30, 2013 and 2012 was $9.03, $15.45, $7.26 and $6.39, respectively. These fair values were estimated using the Black-Scholes option-pricing model with the following weighted-average assumptions:

	Year Ended December 31,		Three Months Ended December 31,		Year Ended September 30,
	2014		2013		2013		2012
Expected dividend yield	—		—		—		—
Expected volatility	38.4	%	46.0	%	48.8	%	53.6	%
Risk-free interest rate	1.65	%	1.91	%	1.23	%	1.00	%
Expected term (years)	5.55		5.95		5.86		5.87

Summary of stock option activity

A summary of stock option activity is presented below:

	Year Ended December 31,				Three Months Ended December 31,				Year Ended September 30,
	2014				2013				2013				2012
	Options		Weighted Average Exercise Price		Options		Weighted Average Exercise Price		Options		Weighted Average Exercise Price		Options		Weighted Average Exercise Price
	(in thousands, except per share amounts)
Outstanding, beginning of period	3,747		$	17.68	3,302		$	14.41	2,448		$	13.76	1,836		$	13.84
Granted	360		23.22		631		33.75		1,086		15.58		740		13.48
Exercised	(280	)	13.15		(124	)	13.48		(124	)	12.52		—		—
Canceled *	(328	)	23.74		(62	)	15.04		(108	)	13.59		(128	)	13.42
Outstanding, end of period	3,499		18.14		3,747		17.68		3,302		14.41		2,448		13.76

Summary of stock options outstanding and exercisable

The following table summarizes stock options outstanding and exercisable at December 31, 2014:

	Outstanding				Exercisable
	Options	Weighted Average Exercise Price		Weighted Average Remaining Contractual Life (Years)	Options	Weighted Average Exercise Price		Weighted Average Remaining Contractual Life (Years)
Exercise price	(in thousands, except per share amounts)
$0.00 ‑ $4.28	28	$	3.50	1.86	28	$	3.50	1.86
$4.28 ‑ $8.56	—	—		—	—	—		—
$8.56 ‑ $12.85	346	10.06		4.39	342	10.06		4.36
$12.85 ‑ $17.13	2,276	15.12		5.68	1,785	15.19		4.96
$17.13 ‑ $21.41	77	19.90		9.43	—	—		—
$21.41 ‑ $25.69	241	23.74		9.73	—	—		—
$25.69 ‑ $29.97	77	28.47		7.44	19	28.55		7.22
$29.97 ‑ $34.26	311	33.23		8.25	123	33.23		7.29
$34.26 ‑ $38.54	—	—		—	—	—		—
$38.54 ‑ $42.82	143	39.95		8.85	40	40.18		8.64
	3,499	18.14		6.28	2,337	15.79		5.04

Summary of RSU activity

A summary of RSU activity is presented below:

	Year Ended December 31,				Three Months Ended December 31,			Year Ended September 30,
	2014				2013			2013				2012
	RSUs		Weighted Average Grant Date Fair Value		RSUs	Weighted Average Grant Date Fair Value		RSUs		Weighted Average Grant Date Fair Value		RSUs		Weighted Average Grant Date Fair Value
	(in thousands, except per share amounts)
Outstanding, beginning of period	719		$	15.75	709	$	15.50	630		$	13.74	348		$	14.20
Granted	151		23.01		10	33.23		92		18.85		286		13.03
Vested	(680	)	15.26		—	—		—		—		—		—
Forfeited	—		—		—	—		(13	)	13.03		(4	)	13.03
Outstanding, end of period	190		$	23.27	719	$	15.75	709		$	15.50	630		$	13.74

Share-based compensation expense reflected in the condensed consolidated statements of operations

Share-based compensation expense for employee and non-employee equity awards was $8,375, $1,583, $12,628 and $2,676, respectively, for the year ended December 31, 2014, the three months ended December 31, 2013 and the years ended September 30, 2013 and 2012. These expenses are reflected in the following captions in the consolidated statements of operations:

	Year Ended December 31,		Three Months Ended December 31,		Year Ended September 30,
	2014		2013		2013		2012
	(in thousands)
Cost of services	$	594	$	95	$	2,147	$	203
General and administrative	4,617		857		5,294		1,588
Sales and marketing	1,501		401		2,471		298
Technology and development	1,663		230		2,716		587
Total	$	8,375	$	1,583	$	12,628	$	2,676