v3.26.1
OPERATING SEGMENTS (Details) - USD ($)
$ in Thousands
 3 Months Ended 9 Months Ended
Jul. 31, 2026
Jul. 31, 2025
Jul. 31, 2026
Jul. 31, 2025
Segment Reporting, Reconciling Item For Operating Profit (Loss) and Capital Expenditure From Segment To Consolidated [Line Items]        
Revenues $ 1,413,050 $ 1,147,591 $ 3,967,345 $ 3,275,633
Cost of Revenue 832,063 690,434 2,361,869 1,975,010
Other Segment Item 0 [1],[2] 0 [1],[2] 0 [3],[4] 0 [3],[4]
Operating Income (Loss) 355,197 265,019 965,533 739,976
Capital Expenditures 22,558 12,739 54,104 46,038
Depreciation 15,683 [5] 14,149 [5] 44,697 [6] 40,365 [6]
Amortization 43,060 [5] 35,618 [5] 121,688 [6] 104,504 [6]
Intersegment Eliminations        
Segment Reporting, Reconciling Item For Operating Profit (Loss) and Capital Expenditure From Segment To Consolidated [Line Items]        
Revenues (18,240) [1] (10,933) [1] (43,579) [3] (35,617) [3]
Cost of Revenue (17,282) [1] (10,021) [1] (42,487) [3] (32,962) [3]
Operating Income (Loss) (958) [1] (912) [1] (1,092) [3] (2,655) [3]
Capital Expenditures 0 [1] 0 [1] 0 [3] 0 [3]
Depreciation 0 [1],[5] 0 [1],[5] 0 [3],[6] 0 [3],[6]
Amortization 0 [1],[5] 0 [1],[5] 0 [3],[6] 0 [3],[6]
Flight Support Group [Member]        
Segment Reporting, Reconciling Item For Operating Profit (Loss) and Capital Expenditure From Segment To Consolidated [Line Items]        
Other Segment Item 127,150 [2] 108,888 [2] 358,491 [4] 320,186 [4]
Flight Support Group [Member] | Operating Segments [Member]        
Segment Reporting, Reconciling Item For Operating Profit (Loss) and Capital Expenditure From Segment To Consolidated [Line Items]        
Revenues 947,803 802,661 2,697,230 2,282,905
Cost of Revenue 575,354 495,447 1,649,643 1,413,297
Operating Income (Loss) 245,299 198,326 689,096 549,422
Capital Expenditures 6,864 7,224 20,395 26,238
Depreciation 7,732 [5] 7,096 [5] 21,770 [6] 20,283 [6]
Amortization 24,725 [5] 21,485 [5] 68,453 [6] 62,579 [6]
Flight Support Group [Member] | Operating Segments [Member] | External Customers        
Segment Reporting, Reconciling Item For Operating Profit (Loss) and Capital Expenditure From Segment To Consolidated [Line Items]        
Revenues 946,435 802,194 2,694,619 2,281,624
Flight Support Group [Member] | Operating Segments [Member] | Intersegment net sales        
Segment Reporting, Reconciling Item For Operating Profit (Loss) and Capital Expenditure From Segment To Consolidated [Line Items]        
Revenues 1,368 467 2,611 1,281
Electronic Technologies Group [Member]        
Segment Reporting, Reconciling Item For Operating Profit (Loss) and Capital Expenditure From Segment To Consolidated [Line Items]        
Other Segment Item 83,931 [2] 69,857 [2] 238,361 [4] 198,336 [4]
Electronic Technologies Group [Member] | Operating Segments [Member]        
Segment Reporting, Reconciling Item For Operating Profit (Loss) and Capital Expenditure From Segment To Consolidated [Line Items]        
Revenues 483,487 355,863 1,313,694 1,028,345
Cost of Revenue 273,991 205,008 754,713 594,675
Operating Income (Loss) 125,565 80,998 320,620 235,334
Capital Expenditures 15,569 5,453 32,952 19,731
Depreciation 7,514 [5] 6,556 [5] 21,599 [6] 18,586 [6]
Amortization 19,120 [5] 13,741 [5] 53,235 [6] 40,748 [6]
Electronic Technologies Group [Member] | Operating Segments [Member] | External Customers        
Segment Reporting, Reconciling Item For Operating Profit (Loss) and Capital Expenditure From Segment To Consolidated [Line Items]        
Revenues 466,615 345,397 1,272,726 994,009
Electronic Technologies Group [Member] | Operating Segments [Member] | Intersegment net sales        
Segment Reporting, Reconciling Item For Operating Profit (Loss) and Capital Expenditure From Segment To Consolidated [Line Items]        
Revenues 16,872 10,466 40,968 34,336
Corporate Segment        
Segment Reporting, Reconciling Item For Operating Profit (Loss) and Capital Expenditure From Segment To Consolidated [Line Items]        
Other Segment Item 0 [2],[7] 0 [2],[7] 0 [4],[8] 0 [4],[8]
Corporate Segment | Operating Segments [Member]        
Segment Reporting, Reconciling Item For Operating Profit (Loss) and Capital Expenditure From Segment To Consolidated [Line Items]        
Revenues 0 [7] 0 [7] 0 [8] 0 [8]
Cost of Revenue 0 [7] 0 [7] 0 [8] 0 [8]
Operating Income (Loss) (14,709) [7] (13,393) [7] (43,091) [8] (42,125) [8]
Capital Expenditures 125 [7] 62 [7] 757 [8] 69 [8]
Depreciation 437 [5],[7] 497 [5],[7] 1,328 [6],[8] 1,496 [6],[8]
Amortization (785) [5],[7] 392 [5],[7] 0 [6],[8] 1,177 [6],[8]
Corporate Segment | Operating Segments [Member] | External Customers        
Segment Reporting, Reconciling Item For Operating Profit (Loss) and Capital Expenditure From Segment To Consolidated [Line Items]        
Revenues 0 [7] 0 [7] 0 [8] 0 [8]
Corporate Segment | Operating Segments [Member] | Intersegment net sales        
Segment Reporting, Reconciling Item For Operating Profit (Loss) and Capital Expenditure From Segment To Consolidated [Line Items]        
Revenues $ 0 [7] $ 0 [7] $ 0 [8] $ 0 [8]
[1] Intersegment activity principally consists of net sales from the ETG to the FSG.
[2] Represents SG&A expenses
[3] Intersegment activity principally consists of net sales from the ETG to the FSG.
[4] Represents SG&A expenses.
[5] Depreciation and amortization expense disclosed by reportable segment are included within cost of sales and other segment items. Corporate amortization for the three months ended July 31, 2026 reflects a year-to-date reclassification of debt issuance cost amortization associated with the Company’s Credit Facility from SG&A expenses to interest expense.
[6] Depreciation and amortization expense disclosed by reportable segment are included within cost of sales and other segment items.
[7] Corporate activity consists of unallocated corporate general and administrative expenses.
[8] Corporate activity consists of unallocated corporate general and administrative expenses.