Stock-Based Employee Benefit Plans (Tables)

12 Months Ended

Sep. 30, 2019

Share-based Payment Arrangement [Abstract]

Assumptions Used to Estimate Fair Value of Stock Options

We used the following assumptions to estimate the fair value of our stock options during fiscal 2019, 2018 and 2017:

	Year Ended September 30,
	2019				2018				2017
Stock Options:
Weighted average expected term (years)			4.26				4.78		5.00
Expected volatility (range)	31.1	-	32.4	%	33.6	-	35.1	%	35.3	%
Weighted average volatility			32.2	%			34.6	%	35.3	%
Risk-free interest rate (range)	2.50	-	2.68	%	2.03	-	2.65	%	2.02	%
Weighted average expected dividend yield			—	%			—	%	0.07	%
Expected dividend yield (range)			—	%			—	%	0.07	%

Summary of Option Activity

The following table summarizes option activity during fiscal 2019: 

	Shares		Weighted- average Exercise Price		Weighted- average Remaining Contractual Term	Aggregate Intrinsic Value
	(In thousands)				(In years)	(In thousands)
Outstanding at October 1, 2018	996		$	63.13
Granted	81		196.43
Exercised	(456	)	50.03
Forfeited	(5	)	178.09
Outstanding at September 30, 2019	616		$	89.36	2.76	$	131,921
Exercisable at September 30, 2019	533		$	73.89	2.25	$	122,381
Vested and expected to vest at September 30, 2019	613		$	88.84	2.74	$	131,509

Summary of Restricted Stock Unit and Market Stock Unit Activity

The following table summarizes the MSUs activity during fiscal 2019:

	Shares		Weighted- average Grant-date Fair Value
	(In thousands)
Outstanding at October 1, 2018	114		$	159.34
Granted	105		169.46
Released	(119	)	143.57
Outstanding at September 30, 2019	100		$	188.63

The following table summarizes the RSUs activity during fiscal 2019: 

	Shares		Weighted-average Grant-date Fair Value
	(In thousands)
Outstanding at October 1, 2018	1,113		$	127.34
Granted	370		206.29
Released	(448	)	118.73
Forfeited	(37	)	140.17
Outstanding at September 30, 2019	998		$	159.99

Summary of Performance Stock Unit Activity

The following table summarizes the PSUs activity during fiscal 2019: 

	Shares		Weighted- average Grant-date Fair Value
	(In thousands)
Outstanding at October 1, 2018	210		$	133.76
Granted	91		185.05
Released	(106	)	123.04
Outstanding at September 30, 2019	195		$	163.38

Assumptions Used to Estimate Fair Value of Market Stock Units

We used the following assumptions to estimate the fair value of our MSUs during fiscal 2019, 2018 and 2017:

	Year Ended September 30,
	2019		2018		2017
Expected volatility in FICO’s stock price	24.6	%	24.6	%	27.4	%
Expected volatility in Russell 3000 Index	12.8	%	12.7	%	13.6	%
Correlation between FICO and the Russell 3000 Index	66.6	%	63.1	%	59.8	%
Risk-free interest rate	2.73	%	1.92	%	1.40	%
Average expected dividend yield	—	%	—	%	0.07	%