Employee Benefit Plans (Tables)

12 Months Ended

Dec. 31, 2014

Employee Benefit Plans [Abstract]

Schedule Of Stock-Based Compensation Expense

	Year Ended December 31,
	2012		2013			2014
Cost of revenue	$	282	$	978	$	2,227
Technology and development		323		818		1,209
Sales and marketing		476		1,079		2,466
General and administrative		2,669		6,331		8,656
Total	$	3,750	$	9,206	$	14,558

Summary Of Weighted Average Fair Value Of Stock Options Granted

	Year Ended December 31,
	2012		2013		2014
Stock options granted (in thousands)		983		576		1,026
Weighted average fair value at date of grant	$	5.83	$	12.55	$	20.06

Summary Of Stock Option Activity

				Remaining	Aggregate intrinsic
		Weighted average		contractual term	value (dollars in
	Shares	exercise price		(years)	thousands)
Outstanding at December 31, 2013	2,989	$	11.80	6.55	$	142,377
Granted	1,026		42.74
Exercised	(648)		10.40
Forfeited	(161)		33.57
Outstanding as of December 31, 2014	3,206	$	20.90	6.75	$	140,029
Vested and expected to vest at December 31, 2014	3,099	$	20.37	6.68	$	136,960
Exercisable at December 31, 2014	1,860	$	9.91	5.17	$	101,665

Schedule Of Weighted Average Assumptions

	Year Ended December 31,
	2012	2013	2014
Expected volatility	52.79%	51.43%	46.90%
Risk-free interest rate	1.26%	1.09%	1.87%
Expected term (in years)	6.60	6.00	6.09
Dividend yield	—%	—%	—%

Schedule Of Revenue Growth Targets

Achievement of Revenue Growth Objective	Percentage of RSU Vesting
20% and Greater	150% will vest
Between 15% but less than 20%	Between 100% and 150% will vest
Between 10% but less than 15%	Between 50% and 100% will vest
Below 10%	None will vest

Schedule Of Vesting Targets

WageWorks Per Share Price on NYSE	Payout Percentage
$100	200%
$90	100%
$75	50%
Below $75	0%

Summary Of Restricted Stock Units

		Weighted Average
		Grant Date
	Shares	Fair Value
	(in thousands)
Unvested at December 31, 2013	384	$	24.48
Granted	384		50.03
Vested	(41)		24.46
Forfeitures	(90)		37.96
Unvested at December 31, 2014	637	$	37.99