XML 64 R48.htm IDEA: XBRL DOCUMENT
v3.5.0.2

Stockholders' Equity (Tables) | 12 Months Ended
--- | ---
Sep. 30, 2016
Dividends Declared and Paid |
﻿ |  |  |  |  |  |  |  |  |
﻿ |  |  |  |  |  |  |  |  |
﻿ |  | Year Ended September 30,
﻿ |  | 2016 |  | 2015 |  | 2014
﻿Dividends declared and paid |  | $ | 26,606 |  | $ | 24,646 |  | $ | 21,263
﻿Dividend per share amount |  |  | 0.43 |  |  | 0.38 |  |  | 0.32
﻿
Stock-based Compensation Expense Recognized |
﻿ |  |  |  |  |  |  |  |  |
﻿ |  |  |  |  |  |  |  |  |
﻿ |  | Year Ended September 30,
﻿ |  | 2016 |  | 2015 |  | 2014
﻿Employee stock-based compensation expense |  | $ | 15,122 |  | $ | 14,255 |  | $ | 11,241
﻿
Schedule of Assumptions Used in Estimate of Fair Value of Stock Option Awards |
﻿ |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
﻿ |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
﻿ | Year Ended September 30,
﻿ | 2016 |  | 2015 |  | 2014
﻿Expected term (years) |  | 6.3 | - | 8.7 |  |  | 6.2 | - | 8.8 |  |  | 5.8 | - | 8.6 |
﻿Estimated volatility |  | 34.5% | - | 35.1% |  |  | 36.5% |  |  | 38.5% |
﻿Estimated dividend yield |  | 1.0% |  |  | 0.7% |  |  | 0.8% |
﻿Risk-free interest rate |  | 1.7% | - | 2.0% |  |  | 2.0% | - | 2.3% |  |  | 1.7% | - | 2.5% |
﻿
Weighted Average Grant Date Fair Value of Options Granted |
﻿ |  |  |  |  |  |  |  |  |
﻿ |  |  |  |  |  |  |  |  |
﻿ |  | Year Ended September 30,
﻿ |  | 2016 |  | 2015 |  | 2014
﻿Weighted-average grant date fair value of options |  | $ | 13.39 |  | $ | 17.02 |  | $ | 15.63
﻿
Activity for Stock Option Awards |
﻿ |  |  |  |  |  |
﻿ |  |  |  |  |  |
﻿ |  | Number |  | Weighted-Average Exercise Price
﻿Balance at September 30, 2015 |  |  | 4,641 |  | $ | 32.28
﻿Options granted |  |  | 1,055 |  |  | 40.26
﻿Options exercised |  |  | (732) |  |  | 22.74
﻿Options forfeited |  |  | (20) |  |  | 42.75
﻿Balance at September 30, 2016 |  |  | 4,944 |  |  | 35.35
﻿
Changes in Nonvested Stock Options |
﻿ |  |  |  |  |  |
﻿ |  |  |  |  |  |
﻿ |  | Number |  | Weighted-Average Grant Date Fair Value
﻿Balance at September 30, 2015 |  |  | 1,724 |  | $ | 15.92
﻿Options granted |  |  | 1,055 |  |  | 13.39
﻿Options vested |  |  | (684) |  |  | 15.15
﻿Options forfeited |  |  | (20) |  |  | 15.08
﻿Balance at September 30, 2016 |  |  | 2,075 |  |  | 14.90
﻿
Other Stock Option Information |
﻿ |  |  |  |  |  |  |  |  |
﻿ |  |  |  |  |  |  |  |  |
﻿ |  | Year Ended September 30,
﻿ |  | 2016 |  | 2015 |  | 2014
﻿Total fair value of stock options vested |  | $ | 10,374 |  | $ | 9,656 |  | $ | 9,459
﻿Total intrinsic value of options exercised |  |  | 23,178 |  |  | 18,876 |  |  | 14,549
﻿Cash received from exercises of stock options |  |  | 15,892 |  |  | 8,400 |  |  | 9,772
﻿Excess tax benefit realized from exercise of stock options |  |  | 6,472 |  |  | 6,959 |  |  | 3,751
﻿
Changes in Restricted Stock Awards |
﻿ |  |  |  |  |  |
﻿ |  |  |  |  |  |
﻿ |  | Number |  | Fair Value per Share
﻿Balance at September 30, 2015 |  |  | 24 |  | $ | 39.43
﻿Shares granted |  |  | - |  |  | n/a
﻿Shares vested |  |  | - |  |  | n/a
﻿Shares forfeited |  |  | - |  |  | n/a
﻿Balance at September 30, 2016 |  |  | 24 |  |  | 39.43
﻿
Stock Options [Member] |
Stock Options Vested, Or Expected to Vest and Are Exercisable |
﻿ |  |  |  |  |  |  |  |  |  |  |  |
﻿ |  |  |  |  |  |  |  |  |  |  |  |
﻿ |  | Number |  | Weighted- Average Exercise Price |  | Weighted- Average Remaining Life in Years |  | Aggregate Intrinsic Value
﻿Options outstanding |  |  | 4,944 |  | $ | 35.35 |  |  | 6.1 |  | $ | 134,129
﻿Options vested and exercisable |  |  | 2,869 |  |  | 30.87 |  |  | 4.6 |  |  | 90,702
﻿Options vested and expected to vest |  |  | 4,856 |  |  | 35.23 |  |  | 6.0 |  |  | 132,321
﻿

X
- Definition Tabular disclosure of the allocation of equity-based compensation costs to a given line item on the balance sheet and income statement for the period. This may include the reporting line for the costs and the amount capitalized and expensed. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (h)(1) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5047-113901 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SAB Topic 14.F) -URI http://asc.fasb.org/extlink&oid=27013229&loc=d3e301413-122809 + Details
Name: | us-gaap_ScheduleOfEmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of the changes in outstanding nonvested shares. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(2) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
Name: | us-gaap_ScheduleOfNonvestedShareActivityTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of the significant assumptions used during the year to estimate the fair value of stock options, including, but not limited to: (a) expected term of share options and similar instruments, (b) expected volatility of the entity's shares, (c) expected dividends, (d) risk-free rate(s), and (e) discount for post-vesting restrictions. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (f)(2) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
Name: | us-gaap_ScheduleOfShareBasedPaymentAwardStockOptionsValuationAssumptionsTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Disclosure of the number and weighted-average grant date fair value for restricted stock and restricted stock units that were outstanding at the beginning and end of the year, and the number of restricted stock and restricted stock units that were granted, vested, or forfeited during the year. + References No definition available. + Details
Name: | us-gaap_ScheduleOfSharebasedCompensationRestrictedStockAndRestrictedStockUnitsActivityTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of the change in stock options. + References No definition available. + Details
Name: | us-gaap_ScheduleOfStockOptionsRollForwardTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of the weighted-average grant-date fair value of equity options or other equity instruments granted during the year. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (d)(1) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
Name: | us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValueTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of the number of fully vested share options (or share units) and share options expected to vest at the date of the latest statement of financial position, weighted-average exercise price (or conversion ratio), aggregate intrinsic value (except for nonpublic entities), and weighted-average remaining contractual term for both options (or share units) currently outstanding and options (or share units) exercisable (or convertible). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (e) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
Name: | us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingAndExercisableTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of all or some of the information related to dividends declared and paid as of the financial reporting date. + References No definition available. + Details
Name: | wwd_ScheduleOfDividendsDeclaredAndPaidTableTextBlock
Namespace Prefix: | wwd_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of the total fair value of options vested, the total intrinsic value of options exercised, cash received from exercises of stock options, and excess tax benefits realized from exercises of options. + References No definition available. + Details
Name: | wwd_ScheduleOfOtherStockOptionInformationTableTextBlock
Namespace Prefix: | wwd_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_AwardTypeAxis=us-gaap_EmployeeStockOptionMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |