XML 71 R59.htm IDEA: XBRL DOCUMENT
v3.6.0.2

Goodwill (Narrative) (Details) | 3 Months Ended
--- | ---
Dec. 31, 2016
Assumed annual compound growth rate after five or ten years | 3.71%
Minimum [Member] |
Weighted average cost of capital assumption | 8.91%
Maximum [Member] |
Weighted average cost of capital assumption | 11.49%

X
- Definition Annual compound growth rate after 5 years assumption used to calculate the terminal value of the forecasted cash flows for the annual goodwill impairment test. + References No definition available. + Details
Name: | wwd_AnnualCompoundGrowthRate
Namespace Prefix: | wwd_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Weighted average cost of capital assumption used to discount forecasted cash flows for the annual goodwill impairment test + References No definition available. + Details
Name: | wwd_WeightedAverageCostOfCapitalAssumptionRate
Namespace Prefix: | wwd_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_RangeAxis=us-gaap_MinimumMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_RangeAxis=us-gaap_MaximumMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |