v3.26.1
OPERATING SEGMENTS (Details) - USD ($)
$ in Thousands
 3 Months Ended 6 Months Ended
Apr. 30, 2026
Apr. 30, 2025
Apr. 30, 2026
Apr. 30, 2025
Segment Reporting, Reconciling Item For Operating Profit (Loss) and Capital Expenditure From Segment To Consolidated [Line Items]        
Revenues $ 1,375,713 $ 1,097,820 $ 2,554,295 $ 2,128,042
Cost of Revenue 806,188 660,016 1,529,806 1,284,576
Operating Income (Loss) 350,437 248,152 610,336 474,957
Payments to Acquire Property, Plant, and Equipment 18,050 15,964 31,546 33,299
Depreciation 14,853 [1] 13,168 [1] 29,014 [2] 26,216 [2]
Amortization 41,781 [1] 35,709 [1] 78,628 [2] 68,886 [2]
Intersegment Eliminations        
Segment Reporting, Reconciling Item For Operating Profit (Loss) and Capital Expenditure From Segment To Consolidated [Line Items]        
Revenues (13,246) [3] (11,417) [3] (25,339) [4] (24,684) [4]
Cost of Revenue (14,033) [3] (11,326) [3] (25,205) [4] (22,941) [4]
Other Segment Item 0 [3],[5] 0 [3],[5] 0 [4],[6] 0 [4],[6]
Operating Income (Loss) 787 [3] (91) [3] (134) [4] (1,743) [4]
Payments to Acquire Property, Plant, and Equipment 0 [3] 0 [3] 0 [4] 0 [4]
Depreciation 0 [1],[3] 0 [1],[3] 0 [2],[4] 0 [2],[4]
Amortization 0 [1],[3] 0 [1],[3] 0 [2],[4] 0 [2],[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 929,427 767,070 1,749,427 1,480,244
Cost of Revenue 564,173 471,376 1,074,289 917,850
Other Segment Item 122,190 [5] 110,714 [5] 231,341 [6] 211,298 [6]
Operating Income (Loss) 243,064 184,980 443,797 351,096
Payments to Acquire Property, Plant, and Equipment 7,979 8,768 13,531 19,014
Depreciation 7,257 [1] 6,609 [1] 14,038 [2] 13,187 [2]
Amortization 22,634 [1] 21,840 [1] 43,728 [2] 41,094 [2]
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 928,879 766,642 1,748,184 1,479,430
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 548 428 1,243 814
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 459,532 342,167 830,207 672,482
Cost of Revenue 256,048 199,966 480,722 389,667
Other Segment Item 81,675 [5] 64,321 [5] 154,430 [6] 128,479 [6]
Operating Income (Loss) 121,809 77,880 195,055 154,336
Payments to Acquire Property, Plant, and Equipment 9,552 7,189 17,383 14,278
Depreciation 7,162 [1] 6,061 [1] 14,085 [2] 12,030 [2]
Amortization 18,754 [1] 13,476 [1] 34,115 [2] 27,007 [2]
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 446,834 331,178 806,111 648,612
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 12,698 10,989 24,096 23,870
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]
Other Segment Item 0 [5],[7] 0 [5],[7] 0 [6],[8] 0 [6],[8]
Operating Income (Loss) (15,223) [7] (14,617) [7] (28,382) [8] (28,732) [8]
Payments to Acquire Property, Plant, and Equipment 519 [7] 7 [7] 632 [8] 7 [8]
Depreciation 434 [1],[7] 498 [1],[7] 891 [2],[8] 999 [2],[8]
Amortization 393 [1],[7] 393 [1],[7] 785 [2],[8] 785 [2],[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] Depreciation and amortization expense disclosed by reportable segment are included within cost of sales and other segment items.
[2] Depreciation and amortization expense disclosed by reportable segment are included within cost of sales and other segment items.
[3] Intersegment activity principally consists of net sales from the ETG to the FSG.
[4] Intersegment activity principally consists of net sales from the ETG to the FSG.
[5] Represents SG&A expenses
[6] Represents SG&A expenses.
[7] Corporate activity consists of unallocated corporate general and administrative expenses.
[8] Corporate activity consists of unallocated corporate general and administrative expenses.