XML 171 R149.htm IDEA: XBRL DOCUMENT v3.25.3
Segment Information (Narrative) (Details) - Segment
 12 Months Ended
Sep. 30, 2025
Sep. 30, 2023
Entity Wide Revenue Major Customer [Line Items]    
Number of Reportable Segments 2  
Segment Reporting, CODM, Individual Title and Position or Group Name [Extensible Enumeration] Chief Executive Officer [Member]  
Segment Reporting, CODM, Profit (Loss) Measure, How Used, Description The CODM uses forecast-to-actual variances and year-over-year variances on a monthly basis when assessing segment performance and forecasts in deciding how to allocate resources among the segments. The CODM evaluates the performance of the Company’s segments based on reportable segment operating profit. In connection with that assessment, Woodward generally excludes matters such as certain charges for restructuring, interest income and expense, certain gains and losses from asset dispositions, or other unusual and/or non-operationally related expenses  
GE [Member] | Sales [Member] | Product Concentration Risk [Member]    
Entity Wide Revenue Major Customer [Line Items]    
Percentage of total attributable to major customer   12.00%
RTX Corporation [Member] | Sales [Member] | Product Concentration Risk [Member]    
Entity Wide Revenue Major Customer [Line Items]    
Percentage of total attributable to major customer   10.00%