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OPERATING SEGMENTS (Last three years, segment information) (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Oct. 31, 2024 | Oct. 31, 2023 | Oct. 31, 2022
Segment Reporting, Reconciling Item For Operating Profit (Loss) and Capital Expenditure From Segment To Consolidated [Line Items] |  |  |  |
Net sales |  | $ 3,857,669 | $ 2,968,105 | $ 2,208,322
Depreciation |  | 49,128 | 40,278 | 30,257
Amortization |  | 126,203 | 89,765 | 66,076
Operating income |  | 824,455 | 625,339 | 496,844
Capital expenditures |  | 58,261 | 49,434 | 31,982
Flight Support Group [Member] |  |  |  |
Segment Reporting, Reconciling Item For Operating Profit (Loss) and Capital Expenditure From Segment To Consolidated [Line Items] |  |  |  |
Depreciation |  | 25,153 | 18,699 | 15,656
Amortization |  | 73,640 | 36,957 | 24,268
Operating income |  | 593,074 | 387,297 | 267,167
Capital expenditures |  | 27,498 | 22,775 | 15,588
Electronic Technologies Group [Member] |  |  |  |
Segment Reporting, Reconciling Item For Operating Profit (Loss) and Capital Expenditure From Segment To Consolidated [Line Items] |  |  |  |
Depreciation |  | 22,731 | 20,478 | 13,602
Amortization |  | 50,994 | 51,296 | 40,690
Operating income |  | 288,193 | 285,053 | 269,473
Capital expenditures |  | 29,864 | 26,493 | 15,530
Other Primarily Corporate and Inter Segment [Member] |  |  |  |
Segment Reporting, Reconciling Item For Operating Profit (Loss) and Capital Expenditure From Segment To Consolidated [Line Items] |  |  |  |
Depreciation |  | 1,244 | 1,101 | 999
Amortization |  | 1,569 | 1,512 | 1,118
Operating income |  | (56,812) | (47,011) | (39,796)
Capital expenditures |  | 899 | 166 | 864
Consolidation, Eliminations [Member] | Other Primarily Corporate and Inter Segment [Member] |  |  |  |
Segment Reporting, Reconciling Item For Operating Profit (Loss) and Capital Expenditure From Segment To Consolidated [Line Items] |  |  |  |
Net sales | [1] | (45,311) | (27,302) | (19,365)
Operating Segments [Member] | Flight Support Group [Member] |  |  |  |
Segment Reporting, Reconciling Item For Operating Profit (Loss) and Capital Expenditure From Segment To Consolidated [Line Items] |  |  |  |
Net sales |  | 2,639,354 | 1,770,185 | 1,255,212
Operating Segments [Member] | Electronic Technologies Group [Member] |  |  |  |
Segment Reporting, Reconciling Item For Operating Profit (Loss) and Capital Expenditure From Segment To Consolidated [Line Items] |  |  |  |
Net sales |  | $ 1,263,626 | $ 1,225,222 | $ 972,475
[1] | Intersegment activity principally consists of net sales from the ETG to the FSG.

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