XML 126 R104.htm IDEA: XBRL DOCUMENT
v3.25.3

Intangible Assets, Net (Schedule of Finite-Lived and Indefinite-Lived Intangible Assets by Major Class) (Details) - USD ($) $ in Thousands | Sep. 30, 2025 | Sep. 30, 2024
--- | --- | ---
Finite-Lived Intangible Assets [Line Items] |  |
Accumulated Amortization of Finite-Lived Intangible | $ (458,740) | $ (440,603)
Net Carrying Amount - Finite-Lived Intangible | 360,070 |
Intangible Assets, Gross, Total | 886,820 | 881,022
Intangible Assets, Net, Total | 428,080 | 440,419
Customer Relationships And Contracts [Member] |  |
Finite-Lived Intangible Assets [Line Items] |  |
Gross Carrying Value - Finite-Lived Intangible | 683,461 | 680,713
Accumulated Amortization of Finite-Lived Intangible | (377,018) | (360,543)
Net Carrying Amount - Finite-Lived Intangible | 306,443 | 320,170
Intellectual Property [Member] |  |
Finite-Lived Intangible Assets [Line Items] |  |
Gross Carrying Value - Finite-Lived Intangible | 3,139 | 3,139
Accumulated Amortization of Finite-Lived Intangible | (3,139) | (3,139)
Process Technology [Member] |  |
Finite-Lived Intangible Assets [Line Items] |  |
Gross Carrying Value - Finite-Lived Intangible | 132,210 | 131,827
Accumulated Amortization of Finite-Lived Intangible | (78,583) | (76,329)
Net Carrying Amount - Finite-Lived Intangible | 53,627 | 55,498
Trade Name [Member] |  |
Finite-Lived Intangible Assets [Line Items] |  |
Indefinite-Lived Intangible Assets | 68,010 | 64,751
Intangible Assets, Net, Total | 68,010 | 64,751
Other [Member] |  |
Finite-Lived Intangible Assets [Line Items] |  |
Gross Carrying Value - Finite-Lived Intangible |  | 592
Accumulated Amortization of Finite-Lived Intangible |  | (592)
Aerospace [Member] |  |
Finite-Lived Intangible Assets [Line Items] |  |
Accumulated Amortization of Finite-Lived Intangible | (292,082) | (286,498)
Intangible Assets, Gross, Total | 326,253 | 326,253
Intangible Assets, Net, Total | 34,171 | 39,755
Aerospace [Member] | Customer Relationships And Contracts [Member] |  |
Finite-Lived Intangible Assets [Line Items] |  |
Gross Carrying Value - Finite-Lived Intangible | 281,683 | 281,683
Accumulated Amortization of Finite-Lived Intangible | (251,109) | (246,152)
Net Carrying Amount - Finite-Lived Intangible | 30,574 | 35,531
Aerospace [Member] | Process Technology [Member] |  |
Finite-Lived Intangible Assets [Line Items] |  |
Gross Carrying Value - Finite-Lived Intangible | 44,570 | 44,570
Accumulated Amortization of Finite-Lived Intangible | (40,973) | (40,346)
Net Carrying Amount - Finite-Lived Intangible | 3,597 | 4,224
Industrial [Member] |  |
Finite-Lived Intangible Assets [Line Items] |  |
Accumulated Amortization of Finite-Lived Intangible | (166,658) | (154,105)
Intangible Assets, Gross, Total | 560,567 | 554,769
Intangible Assets, Net, Total | 393,909 | 400,664
Industrial [Member] | Customer Relationships And Contracts [Member] |  |
Finite-Lived Intangible Assets [Line Items] |  |
Gross Carrying Value - Finite-Lived Intangible | 401,778 | 399,030
Accumulated Amortization of Finite-Lived Intangible | (125,909) | (114,391)
Net Carrying Amount - Finite-Lived Intangible | 275,869 | 284,639
Industrial [Member] | Intellectual Property [Member] |  |
Finite-Lived Intangible Assets [Line Items] |  |
Gross Carrying Value - Finite-Lived Intangible | 3,139 | 3,139
Accumulated Amortization of Finite-Lived Intangible | (3,139) | (3,139)
Industrial [Member] | Process Technology [Member] |  |
Finite-Lived Intangible Assets [Line Items] |  |
Gross Carrying Value - Finite-Lived Intangible | 87,640 | 87,257
Accumulated Amortization of Finite-Lived Intangible | (37,610) | (35,983)
Net Carrying Amount - Finite-Lived Intangible | 50,030 | 51,274
Industrial [Member] | Trade Name [Member] |  |
Finite-Lived Intangible Assets [Line Items] |  |
Indefinite-Lived Intangible Assets | 68,010 | 64,751
Intangible Assets, Net, Total | $ 68,010 | 64,751
Industrial [Member] | Other [Member] |  |
Finite-Lived Intangible Assets [Line Items] |  |
Gross Carrying Value - Finite-Lived Intangible |  | 592
Accumulated Amortization of Finite-Lived Intangible |  | $ (592)

X
- Definition Accumulated amount of amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Name Accounting Standards Codification -Section 55 -Paragraph 40 -SubTopic 30 -Topic 350 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482640/350-30-55-40 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 350 -SubTopic 10 -Name Accounting Standards Codification -Section S45 -Paragraph 1 -Publisher FASB -URI https://asc.fasb.org/1943274/2147480265/350-10-S45-1 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 350 -SubTopic 30 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (a)(1) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482665/350-30-50-2 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Topic 210 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(16)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480566/210-10-S99-1 + Details
Name: | us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Amount before amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Name Accounting Standards Codification -Section 55 -Paragraph 40 -SubTopic 30 -Topic 350 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482640/350-30-55-40 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 350 -SubTopic 10 -Name Accounting Standards Codification -Section S45 -Paragraph 1 -Publisher FASB -URI https://asc.fasb.org/1943274/2147480265/350-10-S45-1 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 350 -SubTopic 30 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (a)(1) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482665/350-30-50-2 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Topic 928 -SubTopic 340 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Publisher FASB -URI https://asc.fasb.org/1943274/2147478859/928-340-50-1 + Details
Name: | us-gaap_FiniteLivedIntangibleAssetsGross
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Topic 805 -SubTopic 20 -Name Accounting Standards Codification -Section 55 -Paragraph 31 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479876/805-20-55-31 Reference 2: http://www.xbrl.org/2003/role/exampleRef -Topic 805 -SubTopic 20 -Name Accounting Standards Codification -Section 55 -Paragraph 20 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479876/805-20-55-20 Reference 3: http://www.xbrl.org/2003/role/exampleRef -Topic 805 -SubTopic 20 -Name Accounting Standards Codification -Section 55 -Paragraph 20 -Subparagraph (c) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479876/805-20-55-20 Reference 4: http://www.xbrl.org/2003/role/exampleRef -Topic 805 -SubTopic 20 -Name Accounting Standards Codification -Section 55 -Paragraph 38 -Subparagraph (d) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479876/805-20-55-38 Reference 5: http://www.xbrl.org/2003/role/exampleRef -Topic 805 -SubTopic 20 -Name Accounting Standards Codification -Section 55 -Paragraph 31 -Subparagraph (h) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479876/805-20-55-31 Reference 6: http://www.xbrl.org/2003/role/exampleRef -Topic 805 -SubTopic 20 -Name Accounting Standards Codification -Section 55 -Paragraph 38 -Subparagraph (e) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479876/805-20-55-38 Reference 7: http://www.xbrl.org/2003/role/exampleRef -Topic 805 -SubTopic 20 -Name Accounting Standards Codification -Section 55 -Paragraph 38 -Subparagraph (c) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479876/805-20-55-38 Reference 8: http://www.xbrl.org/2003/role/exampleRef -Topic 805 -SubTopic 20 -Name Accounting Standards Codification -Section 55 -Paragraph 38 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479876/805-20-55-38 Reference 9: http://www.xbrl.org/2003/role/exampleRef -Topic 805 -SubTopic 20 -Name Accounting Standards Codification -Section 55 -Paragraph 38 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479876/805-20-55-38 Reference 10: http://www.xbrl.org/2003/role/exampleRef -Topic 805 -SubTopic 20 -Name Accounting Standards Codification -Section 55 -Paragraph 38 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479876/805-20-55-38 Reference 11: http://www.xbrl.org/2003/role/exampleRef -Topic 805 -SubTopic 20 -Name Accounting Standards Codification -Section 55 -Paragraph 31 -Subparagraph (i) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479876/805-20-55-31 Reference 12: http://www.xbrl.org/2003/role/exampleRef -Topic 805 -SubTopic 20 -Name Accounting Standards Codification -Section 55 -Paragraph 31 -Subparagraph (g) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479876/805-20-55-31 Reference 13: http://www.xbrl.org/2003/role/exampleRef -Topic 805 -SubTopic 20 -Name Accounting Standards Codification -Section 55 -Paragraph 31 -Subparagraph (f) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479876/805-20-55-31 Reference 14: http://www.xbrl.org/2003/role/exampleRef -Topic 805 -SubTopic 20 -Name Accounting Standards Codification -Section 55 -Paragraph 31 -Subparagraph (e) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479876/805-20-55-31 Reference 15: http://www.xbrl.org/2003/role/exampleRef -Topic 805 -SubTopic 20 -Name Accounting Standards Codification -Section 55 -Paragraph 31 -Subparagraph (d) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479876/805-20-55-31 Reference 16: http://www.xbrl.org/2003/role/exampleRef -Topic 805 -SubTopic 20 -Name Accounting Standards Codification -Section 55 -Paragraph 31 -Subparagraph (c) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479876/805-20-55-31 Reference 17: http://www.xbrl.org/2003/role/exampleRef -Topic 805 -SubTopic 20 -Name Accounting Standards Codification -Section 55 -Paragraph 31 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479876/805-20-55-31 Reference 18: http://www.xbrl.org/2003/role/exampleRef -Topic 805 -SubTopic 20 -Name Accounting Standards Codification -Section 55 -Paragraph 31 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479876/805-20-55-31 Reference 19: http://www.xbrl.org/2003/role/exampleRef -Topic 805 -SubTopic 20 -Name Accounting Standards Codification -Section 55 -Paragraph 29 -Subparagraph (e) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479876/805-20-55-29 Reference 20: http://www.xbrl.org/2003/role/exampleRef -Topic 805 -SubTopic 20 -Name Accounting Standards Codification -Section 55 -Paragraph 29 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479876/805-20-55-29 Reference 21: http://www.xbrl.org/2003/role/exampleRef -Topic 805 -SubTopic 20 -Name Accounting Standards Codification -Section 55 -Paragraph 20 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479876/805-20-55-20 Reference 22: http://www.xbrl.org/2003/role/exampleRef -Topic 805 -SubTopic 20 -Name Accounting Standards Codification -Section 55 -Paragraph 20 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479876/805-20-55-20 Reference 23: http://www.xbrl.org/2003/role/exampleRef -Topic 805 -SubTopic 20 -Name Accounting Standards Codification -Section 55 -Paragraph 14 -Subparagraph (e) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479876/805-20-55-14 Reference 24: http://www.xbrl.org/2003/role/exampleRef -Topic 805 -SubTopic 20 -Name Accounting Standards Codification -Section 55 -Paragraph 14 -Subparagraph (d) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479876/805-20-55-14 Reference 25: http://www.xbrl.org/2003/role/exampleRef -Topic 805 -SubTopic 20 -Name Accounting Standards Codification -Section 55 -Paragraph 14 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479876/805-20-55-14 Reference 26: http://www.xbrl.org/2003/role/exampleRef -Topic 805 -SubTopic 20 -Name Accounting Standards Codification -Section 55 -Paragraph 14 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479876/805-20-55-14 Reference 27: http://www.xbrl.org/2003/role/exampleRef -Topic 805 -SubTopic 20 -Name Accounting Standards Codification -Section 55 -Paragraph 14 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479876/805-20-55-14 Reference 28: http://www.xbrl.org/2003/role/exampleRef -Name Accounting Standards Codification -Section 55 -Paragraph 40 -SubTopic 30 -Topic 350 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482640/350-30-55-40 Reference 29: http://www.xbrl.org/2003/role/disclosureRef -Topic 350 -SubTopic 30 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (d)(2) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482665/350-30-50-2 Reference 30: http://www.xbrl.org/2003/role/disclosureRef -Topic 350 -SubTopic 30 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (d)(1) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482665/350-30-50-2 Reference 31: http://www.xbrl.org/2003/role/disclosureRef -Topic 350 -SubTopic 30 -Name Accounting Standards Codification -Section 45 -Paragraph 1 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482686/350-30-45-1 Reference 32: http://www.xbrl.org/2003/role/disclosureRef -Topic 350 -SubTopic 30 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (a)(1) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482665/350-30-50-2 Reference 33: http://www.xbrl.org/2003/role/disclosureRef -Topic 350 -SubTopic 30 -Name Accounting Standards Codification -Section 50 -Paragraph 3 -Subparagraph (d) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482665/350-30-50-3 Reference 34: http://www.xbrl.org/2003/role/disclosureRef -Topic 985 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Publisher FASB -URI https://asc.fasb.org/1943274/2147481283/985-20-50-2 Reference 35: http://www.xbrl.org/2003/role/disclosureRef -Topic 926 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 5 -Publisher FASB -URI https://asc.fasb.org/1943274/2147483154/926-20-50-5 + Details
Name: | us-gaap_FiniteLivedIntangibleAssetsLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount after amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 350 -SubTopic 30 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (a)(1) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482665/350-30-50-2 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 926 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 5 -Publisher FASB -URI https://asc.fasb.org/1943274/2147483154/926-20-50-5 + Details
Name: | us-gaap_FiniteLivedIntangibleAssetsNet
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount of assets, excluding financial assets and goodwill, lacking physical substance and having a projected indefinite period of benefit. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Name Accounting Standards Codification -Section 55 -Paragraph 40 -SubTopic 30 -Topic 350 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482640/350-30-55-40 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 350 -SubTopic 10 -Name Accounting Standards Codification -Section S45 -Paragraph 1 -Publisher FASB -URI https://asc.fasb.org/1943274/2147480265/350-10-S45-1 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 350 -SubTopic 30 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482665/350-30-50-2 + Details
Name: | us-gaap_IndefiniteLivedIntangibleAssetsExcludingGoodwill
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount before accumulated amortization of intangible assets, excluding goodwill. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 210 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(15)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480566/210-10-S99-1 + Details
Name: | us-gaap_IntangibleAssetsGrossExcludingGoodwill
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Sum of the carrying amounts of all intangible assets, excluding goodwill, as of the balance sheet date, net of accumulated amortization and impairment charges. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 350 -SubTopic 30 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (a)(1) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482665/350-30-50-2 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 350 -SubTopic 30 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482665/350-30-50-2 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 350 -SubTopic 30 -Name Accounting Standards Codification -Section 45 -Paragraph 1 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482686/350-30-45-1 + Details
Name: | us-gaap_IntangibleAssetsNetExcludingGoodwill
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Details
Name: | us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis=us-gaap_CustomerRelationshipsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis=us-gaap_IntellectualPropertyMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis=wwd_ProcessTechnologyMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis=us-gaap_TradeNamesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis=us-gaap_OtherIntangibleAssetsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementBusinessSegmentsAxis=wwd_AerospaceMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementBusinessSegmentsAxis=wwd_IndustrialMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |