v3.26.1
Revenue (Schedule of Revenue Recognition Time) (Details) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Jun. 30, 2026
Jun. 30, 2025
Disaggregation Of Revenue [Line Items]        
Net sales $ 1,109,705 $ 915,446 $ 3,196,727 $ 2,571,800
Aerospace [Member]        
Disaggregation Of Revenue [Line Items]        
Net sales 708,673 595,990 2,046,891 1,651,601
Industrial [Member]        
Disaggregation Of Revenue [Line Items]        
Net sales 401,032 319,456 1,149,836 920,199
Point In Time [Member]        
Disaggregation Of Revenue [Line Items]        
Net sales 553,739 418,264 1,520,981 1,167,143
Point In Time [Member] | Aerospace [Member]        
Disaggregation Of Revenue [Line Items]        
Net sales 313,537 235,566 845,737 650,576
Point In Time [Member] | Industrial [Member]        
Disaggregation Of Revenue [Line Items]        
Net sales 240,202 182,698 675,244 516,567
Over Time [Member]        
Disaggregation Of Revenue [Line Items]        
Net sales 555,966 497,182 1,675,746 1,404,657
Over Time [Member] | Aerospace [Member]        
Disaggregation Of Revenue [Line Items]        
Net sales 395,136 360,424 1,201,154 1,001,025
Over Time [Member] | Industrial [Member]        
Disaggregation Of Revenue [Line Items]        
Net sales $ 160,830 $ 136,758 $ 474,592 $ 403,632