XML 78 R60.htm IDEA: XBRL DOCUMENT
v2.4.0.6

Property, Plant, and Equipment, Net (Narrative) (Details) (USD $) In Thousands, unless otherwise specified |  |  | 6 Months Ended | 3 Months Ended
--- | --- | --- | --- | ---
Mar. 31, 2012 | Sep. 30, 2011 | Mar. 31, 2012 System Test Facility [Member] sqft | Mar. 31, 2012 Computer Equipment and Software [Member]
Size of system test facility, in square feet |  |  | 48,000 |
Contruction in progress and other assets placed into service |  |  | $ 16,738 | $ 16,166
Construction in progress | $ 33,847 | $ 44,975 | $ 5,247 |

X
- Definition Gross amount, at the balance sheet date, of long-lived assets under construction that include construction costs to date on capital projects that have not been completed and assets being constructed that are not ready to be placed into service. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher AICPA -Name Accounting Principles Board Opinion (APB) -Number 12 -Paragraph 5 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 360 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=6391035&loc=d3e2868-110229 + Details
Name: | us-gaap_ConstructionInProgressGross
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Current year reclassification, impairment, donation, or other change to long-lived, physical assets used in the normal conduct of business and not intended for resale. Examples include land, buildings, machinery and equipment, and other types of furniture and equipment including, but not limited to, office equipment, furniture and fixtures, and computer equipment and software. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 360 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=6391110&loc=d3e2921-110230 + Details
Name: | us-gaap_PropertyPlantAndEquipmentTransfersAndChanges
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Size of system test facility, in square feet + References No definition available. + Details
Name: | wwd_SizeOfSystemTestFacilityInSquareFeet
Namespace Prefix: | wwd_
Data Type: | num:areaItemType
Balance Type: | na
Period Type: | duration