Leases (Property, Plant and Equipment Leased to Others through Embedded Leasing Arrangements) (Details) - USD ($) $ in Thousands	Mar. 31, 2024	Sep. 30, 2023
Leases [Abstract]
Property, plant, and equipment	$ 46,544	$ 45,766
Less accumulated depreciation	(29,981)	(28,128)
Property, plant, and equipment, net	$ 16,563	$ 17,638

Accumulated depreciation on property plant and equipment leased to others through embedded leasing arrangements.

No definition available.

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