Stockholders' Equity (Tables)

3 Months Ended

Dec. 31, 2019

Stock Options [Member]

Share-based Compensation Arrangement by Share-based Payment Award [Line Items]

Schedule of Assumptions Used in Estimate of Fair Value of Stock Option Awards

	Three-Months Ended
	December 31,
	2019				2018
Weighted-average exercise price per share	$	104.82			$	79.79
Weighted-average grant date market value of Woodward stock	$	104.82			$	79.79
Expected term (years)		6.4	-	8.7		6.5	-	8.7
Estimated volatility		25.7%	-	30.1%		25.7%	-	31.0%
Estimated dividend yield		0.6%				0.7%	-	0.8%
Risk-free interest rate		1.6%	-	1.7%		2.7%	-	3.1%

Summary of Activity for Stock Option Awards

	Three-Months Ended
	December 31, 2019
	Number of options		Weighted-Average Exercise Price per Share
Options, beginning balance		5,387	$	53.73
Options granted		626		104.82
Options exercised		(226)		33.42
Options forfeited		(21)		81.53
Options, ending balance		5,766		59.97

Changes in Non-vested Stock Options

	Three-Months Ended
	December 31, 2019
	Number of options		Weighted-Average Grant Date Fair Value per Share
Non-vested options outstanding, beginning balance		2,068	$	23.43
Options granted		626		28.55
Options vested		(768)		21.43
Options forfeited		(21)		25.19
Non-vested options outstanding, ending balance		1,905		25.90

Stock Options Vested, or Expected to Vest and Exercisable

	Number		Weighted- Average Exercise Price		Weighted- Average Remaining Life in Years		Aggregate Intrinsic Value
Options outstanding		5,766	$	59.97		6.2	$	337,161
Options vested and exercisable		3,862		47.06		4.9		275,645
Options vested and expected to vest		5,640		59.30		6.1		333,494

Restricted Stock Units (RSUs) [Member]

Share-based Compensation Arrangement by Share-based Payment Award [Line Items]

Summary of Activity for Restricted Stock Units

	Three-Months Ended
	December 31, 2019
		Number		Weighted-Average Grant Date Fair Value per Unit
Beginning balance		9	$	91.55
Units granted		-		-
Units vested		-		-
Units forfeited		-		-
Ending balance		9		91.55