Leases (Property, Plant and Equipment Leased to Others through Embedded Leasing Arrangements) (Details) $ in Thousands	Mar. 31, 2020 USD ($)
Leases [Abstract]
Property, plant and equipment leased to others through embedded leasing arrangements	$ 67,941
Less accumulated depreciation	(25,454)
Property, plant and equipment leased to others through embedded leasing arrangements, net	$ 42,487

Accumulated amortization on property, plant and equipment leased to others through embedded leasing arrangements

No definition available.

Name:	wwd_AccumulatedAmortizationOnPropertyPlantAndEquipmentLeasedToOthersThroughEmbeddedLeasingArrangements
Namespace Prefix:	wwd_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant