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Stockholders' Equity | 6 Months Ended
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Mar. 31, 2019
Stockholders' Equity and Stock-Based Compensation [Abstract] |
Stockholders' Equity | Note 20. Stockholders’ equity Stock repurchase program In the first quarter of fiscal year 2017, Woodward’s board of directors terminated the Company’s prior stock repurchase program (the “Prior Repurchase Program”) and replaced it with a new program for the repurchase of up to $500,000 of Woodward’s outstanding shares of common stock on the open market or in privately negotiated transactions over a three-year period that will end in November 2019 (the “2017 Authorization”). In the first half of fiscal year 2019, Woodward purchased 456 shares of its common stock for $43,253 under the 2017 Authorization pursuant to a 10b5-1 plan. Woodward repurchased no common stock under the 2017 Authorization in the first half of fiscal year 2018. Stock-based compensation Provisions governing outstanding stock option awards are included in the 2017 Omnibus Incentive Plan, as amended from time to time (the “2017 Plan”) and the 2006 Omnibus Incentive Plan (the “2006 Plan”), as applicable. The 2017 Plan was approved by Woodward’s stockholders in January 2017 and is a successor plan to the 2006 Plan. As of September 14, 2016, the effective date of the 2017 Plan, Woodward’s board of directors delegated authority to administer the 2017 Plan to the compensation committee of the board (the “Committee”), including, but not limited to, the power to determine the recipients of awards and the terms of those awards. On January 30, 2019, Woodward’s stockholders approved an additional 1,400 shares of Woodward’s common stock to be made available for future grants. Under the 2017 Plan, there were approximately 1,805 shares of Woodward’s common stock available for future grants as of March 31, 2019. Stock options Woodward believes that stock options align the interests of its employees and directors with the interests of its stockholders. Stock option awards are granted with an exercise price equal to the market price of Woodward’s stock at the date the grants are awarded, a ten-year term, and generally a four-year vesting schedule at a rate of 25% per year. The fair value of options granted is estimated as of the grant date using the Black-Scholes-Merton option-valuation model using the assumptions in the following table. Woodward calculates the expected term, which represents the average period of time that stock options granted are expected to be outstanding, based upon historical experience of plan participants. Expected volatility is based on historical volatility using daily stock price observations. The estimated dividend yield is based upon Woodward’s historical dividend practice and the market value of its common stock. The risk-free rate is based on the U.S. treasury yield curve, for periods within the contractual life of the stock option, at the time of grant. ﻿
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﻿ | Three-Months Ended |  | Six-Months Ended
﻿ | March 31, |  | March 31,
﻿ | 2019 |  | 2018 |  | 2019 |  | 2018
﻿Weighted-average exercise price per share | $ | 77.12 |  |  | $ | 72.01 |  |  | $ | 79.12 |  |  | $ | 78.91 |
﻿Weighted-average grant date market value of Woodward stock | $ | 77.12 |  |  | $ | 72.01 |  |  | $ | 79.12 |  |  | $ | 78.91 |
﻿Expected term (years) |  | 6.5 |  |  |  | 6.4 |  |  |  | 6.5 | - | 8.7 |  |  |  | 6.4 | - | 8.7 |
﻿Estimated volatility |  | 25.8% | - | 26.0% |  |  |  | 29.1% |  |  |  | 25.7% | - | 31.0% |  |  |  | 29.1% | - | 32.7% |
﻿Estimated dividend yield |  | 0.7% | - | 0.8% |  |  |  | 0.8% |  |  |  | 0.7% | - | 0.8% |  |  |  | 0.6% | - | 0.8% |
﻿Risk-free interest rate |  | 2.6% |  |  |  | 2.7% | - | 2.8% |  |  |  | 2.6% | - | 3.1% |  |  |  | 2.1% | - | 2.8% |
The following is a summary of the activity for stock option awards during the three and six-months ended March 31, 2019: ﻿
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﻿ |  | Three-Months Ended |  | Six-Months Ended
﻿ |  | March 31, 2019 |  | March 31, 2019
﻿ |  | Number of options |  | Weighted-Average Exercise Price per Share |  | Number of options |  | Weighted-Average Exercise Price per Share
﻿Options, beginning balance |  |  | 6,173 |  | $ | 49.40 |  |  | 5,611 |  | $ | 45.42
﻿Options granted |  |  | 226 |  |  | 77.12 |  |  | 900 |  |  | 79.12
﻿Options exercised |  |  | (638) |  |  | 32.57 |  |  | (745) |  |  | 32.41
﻿Options expired |  |  | (1) |  |  | 78.97 |  |  | (1) |  |  | 78.97
﻿Options forfeited |  |  | (27) |  |  | 68.35 |  |  | (32) |  |  | 68.73
﻿Options, ending balance |  |  | 5,733 |  |  | 52.27 |  |  | 5,733 |  |  | 52.27
Changes in non-vested stock options during the three and six-months ended March 31, 2019 were as follows: ﻿
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﻿ |  | Three-Months Ended |  | Six-Months Ended
﻿ |  | March 31, 2019 |  | March 31, 2019
﻿ |  | Number of options |  | Weighted-Average Grant Date Fair Value per Share |  | Number of options |  | Weighted-Average Grant Date Fair Value Per Share
﻿Non-vested options outstanding, beginning balance |  |  | 1,862 |  | $ | $23.50 |  |  | 1,988 |  | $ | 21.64
﻿Options granted |  |  | 226 |  |  | $22.22 |  |  | 900 |  |  | 23.99
﻿Options vested |  |  | (3) |  |  | $25.56 |  |  | (798) |  |  | 19.80
﻿Options forfeited |  |  | (27) |  |  | $22.82 |  |  | (32) |  |  | 23.00
﻿Non-vested options outstanding, ending balance |  |  | 2,058 |  |  | $23.36 |  |  | 2,058 |  |  | 23.36
Information about stock options that have vested, or are expected to vest, and are exercisable at March 31, 2019 was as follows: ﻿
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﻿ |  | Number |  | Weighted- Average Exercise Price |  | Weighted- Average Remaining Life in Years |  | Aggregate Intrinsic Value
﻿Options outstanding |  |  | 5,733 |  | $ | 52.27 |  |  | 6.1 |  | $ | 262,179
﻿Options vested and exercisable |  |  | 3,675 |  |  | 41.53 |  |  | 4.8 |  |  | 207,524
﻿Options vested and expected to vest |  |  | 5,608 |  |  | 51.74 |  |  | 6.1 |  |  | 259,403
Restricted stock In connection with Woodward’s acquisition of L’Orange, restricted stock units were granted to certain employees of L’Orange (at acquisition) and other current Woodward members in key management positions. Each restricted stock unit entitles the holder to one share of the Company’s common stock upon vesting. The restricted stock units were granted with a two-year vesting schedule and vest on the one and two-year anniversaries of the grant date at a rate of 50% per year. The restricted stock units do not participate in dividends during the vesting period. The fair value of restricted stock units granted were estimated using the closing price of Woodward common stock on the grant date. A summary of the activity for restricted stock units for the three and six-months ended March 31, 2019: ﻿
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﻿ |  | Three-Months Ended |  | Six-Months Ended
﻿ |  | March 31, 2019 |  | March 31, 2019
﻿ |  |  | Number |  |  | Fair Value per Share |  |  | Number |  |  | Fair Value per Share
﻿Beginning balance |  |  | 10 |  | $ | 82.71 |  |  | 10 |  | $ | 82.71
﻿Shares granted |  |  | - |  |  | n/a |  |  | - |  |  | n/a
﻿Shares vested |  |  | - |  |  | n/a |  |  | - |  |  | n/a
﻿Shares forfeited |  |  | - |  |  | n/a |  |  | - |  |  | n/a
﻿Ending balance |  |  | 10 |  |  | 82.71 |  |  | 10 |  |  | 82.71
Stock-based compensation expense Woodward recognizes stock-based compensation expense on a straight-line basis over the requisite service period. Pursuant to form stock option agreements used by the Company, with terms approved by the administrator of the applicable plan, the requisite service period can be less than the four-year vesting period based on grantee’s retirement eligibility. As such, the recognition of stock-based compensation expense associated with some stock option grants can be accelerated to a period of less than four years, including immediate recognition of stock-based compensation expense on the date of grant. ﻿ At March 31, 2019, there was approximately $15,970 of total unrecognized compensation expense related to non-vested stock-based compensation arrangements, including both stock options and restricted stock awards. The pre-vesting forfeiture rates for purposes of determining stock-based compensation expense recognized were estimated to be 0% for members of Woodward’s board of directors and 9% for all others. The remaining unrecognized compensation cost is expected to be recognized over a weighted-average period of approximately 2.4 years.

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- Definition The entire disclosure for accounts comprising shareholders' equity, comprised of portions attributable to the parent entity and noncontrolling interest, including other comprehensive income, and compensation-related costs for equity-based compensation. Includes, but is not limited to, disclosure of policies, compensation plan details, equity-based arrangements to obtain goods and services, deferred compensation arrangements, and employee stock purchase plan details. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -URI http://asc.fasb.org/topic&trid=2208762 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -URI http://asc.fasb.org/topic&trid=2228938 + Details
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- Definition Stockholders' Equity and Stock-Based Compensation + References No definition available. + Details
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