v3.26.1
Segments (Segment Sales by Customer) (Details) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Jun. 27, 2026
Jun. 28, 2025
Jun. 27, 2026
Jun. 28, 2025
Segment Reporting        
Net sales $ 1,116,545 $ 969,582 $ 3,268,838 $ 2,811,486
Commercial customer        
Segment Reporting        
Net sales 562,396 527,915 1,674,204 1,490,159
U.S. Government customer (including OEM)        
Segment Reporting        
Net sales 415,990 331,834 1,215,174 1,028,916
Other Customer        
Segment Reporting        
Net sales 138,159 109,833 379,460 292,411
Space And Defense        
Segment Reporting        
Net sales 336,095 287,705 973,966 805,673
Space And Defense | Commercial customer        
Segment Reporting        
Net sales 53,395 92,046 162,448 183,155
Space And Defense | U.S. Government customer (including OEM)        
Segment Reporting        
Net sales 226,668 164,443 651,745 538,987
Space And Defense | Other Customer        
Segment Reporting        
Net sales 56,032 31,216 159,773 83,531
Military Aircraft        
Segment Reporting        
Net sales 245,164 224,662 728,064 651,931
Military Aircraft | U.S. Government customer (including OEM)        
Segment Reporting        
Net sales 187,942 165,083 560,342 484,924
Military Aircraft | Other Customer        
Segment Reporting        
Net sales 57,222 59,579 167,722 167,007
Commercial Aircraft        
Segment Reporting        
Net sales 253,569 217,655 768,419 651,708
Commercial Aircraft | Commercial customer        
Segment Reporting        
Net sales 230,900 206,780 724,245 621,988
Commercial Aircraft | Other Customer        
Segment Reporting        
Net sales 22,669 10,875 44,174 29,720
Industrial        
Segment Reporting        
Net sales 281,717 239,560 798,389 702,174
Industrial | Commercial customer        
Segment Reporting        
Net sales 278,101 229,089 787,511 685,016
Industrial | U.S. Government customer (including OEM)        
Segment Reporting        
Net sales 1,380 2,308 3,087 5,005
Industrial | Other Customer        
Segment Reporting        
Net sales $ 2,236 $ 8,163 $ 7,791 $ 12,153