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Major Customer And Geographic Information - Segment Income (Details) - USD ($) $ in Thousands | 12 Months Ended
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Dec. 31, 2025 | Dec. 31, 2024 | Dec. 31, 2023
Segment Reporting, Revenue Reconciling Item [Line Items] |  |  |
Revenues | $ 7,938,627 | $ 6,827,871 | $ 5,974,744
Total revenues (external customers and intersegment) for reportable segments | 8,536,471 | 7,419,213 | 6,544,959
Operating income | 671,424 | 489,053 | 369,108
Nonoperating Income (Expense) | (138,618) | (151,125) | (137,827)
Other income (expenses), net | 29,109 | 3,818 | (4,787)
Income before income taxes | 561,915 | 341,746 | 226,494
Research and development, net | (517,142) | (466,402) | (424,420)
Total depreciation and amortization | 171,434 | 158,391 | 164,799
Aerospace |  |  |
Segment Reporting, Revenue Reconciling Item [Line Items] |  |  |
Revenues | 1,820,911 | 1,780,483 | 1,613,137
Total revenues (external customers and intersegment) for reportable segments | 2,066,962 | 2,036,288 | 1,873,281
C4I and Cyber |  |  |
Segment Reporting, Revenue Reconciling Item [Line Items] |  |  |
Revenues | 866,205 | 750,573 | 668,414
Total revenues (external customers and intersegment) for reportable segments | 930,873 | 799,800 | 721,116
ISTAR and EW |  |  |
Segment Reporting, Revenue Reconciling Item [Line Items] |  |  |
Revenues | 1,323,489 | 1,118,628 | 996,927
Total revenues (external customers and intersegment) for reportable segments | 1,525,797 | 1,318,027 | 1,179,427
Land |  |  |
Segment Reporting, Revenue Reconciling Item [Line Items] |  |  |
Revenues | 2,250,354 | 1,605,046 | 1,241,023
Total revenues (external customers and intersegment) for reportable segments | 2,318,744 | 1,679,385 | 1,306,197
ESA |  |  |
Segment Reporting, Revenue Reconciling Item [Line Items] |  |  |
Revenues | 1,677,668 | 1,573,141 | 1,455,243
Total revenues (external customers and intersegment) for reportable segments | 1,694,095 | 1,585,713 | 1,464,938
Operating Segments |  |  |
Segment Reporting, Revenue Reconciling Item [Line Items] |  |  |
Operating income | 723,403 | 514,040 | 386,913
Operating Segments | Aerospace |  |  |
Segment Reporting, Revenue Reconciling Item [Line Items] |  |  |
Revenues | 2,066,962 | 2,036,288 | 1,873,281
Operating income | 151,927 | 149,060 | 125,455
Research and development, net | (107,600) | (104,946) | (107,883)
Other expenses (*) | (1,807,435) | (1,782,282) | (1,639,943)
Total depreciation and amortization | 38,211 | 34,958 | 36,284
Operating Segments | C4I and Cyber |  |  |
Segment Reporting, Revenue Reconciling Item [Line Items] |  |  |
Revenues | 930,873 | 799,800 | 721,116
Operating income | 55,911 | 61,987 | 50,653
Research and development, net | (71,073) | (70,286) | (72,663)
Other expenses (*) | (803,889) | (667,527) | (597,800)
Total depreciation and amortization | 8,931 | 9,440 | 12,551
Operating Segments | ISTAR and EW |  |  |
Segment Reporting, Revenue Reconciling Item [Line Items] |  |  |
Revenues | 1,525,797 | 1,318,027 | 1,179,427
Operating income | 129,121 | 96,110 | 134,882
Research and development, net | (103,405) | (100,205) | (87,112)
Other expenses (*) | (1,293,271) | (1,121,712) | (957,433)
Total depreciation and amortization | 38,314 | 32,978 | 29,001
Operating Segments | Land |  |  |
Segment Reporting, Revenue Reconciling Item [Line Items] |  |  |
Revenues | 2,318,744 | 1,679,385 | 1,306,197
Operating income | 263,687 | 150,684 | 80,610
Research and development, net | (165,100) | (133,552) | (85,604)
Other expenses (*) | (1,889,957) | (1,395,149) | (1,139,983)
Total depreciation and amortization | 39,437 | 34,813 | 34,747
Operating Segments | ESA |  |  |
Segment Reporting, Revenue Reconciling Item [Line Items] |  |  |
Revenues | 1,694,095 | 1,585,713 | 1,464,938
Operating income | 122,757 | 56,199 | (4,687)
Research and development, net | (64,595) | (54,685) | (68,779)
Other expenses (*) | (1,506,743) | (1,474,829) | (1,400,846)
Total depreciation and amortization | 44,351 | 44,307 | 50,526
Intersegment revenue |  |  |
Segment Reporting, Revenue Reconciling Item [Line Items] |  |  |
Revenues | 597,844 | 591,342 | 570,215
Intersegment revenue | Aerospace |  |  |
Segment Reporting, Revenue Reconciling Item [Line Items] |  |  |
Revenues | 246,051 | 255,805 | 260,144
Intersegment revenue | C4I and Cyber |  |  |
Segment Reporting, Revenue Reconciling Item [Line Items] |  |  |
Revenues | 64,668 | 49,227 | 52,702
Intersegment revenue | ISTAR and EW |  |  |
Segment Reporting, Revenue Reconciling Item [Line Items] |  |  |
Revenues | 202,308 | 199,399 | 182,500
Intersegment revenue | Land |  |  |
Segment Reporting, Revenue Reconciling Item [Line Items] |  |  |
Revenues | 68,390 | 74,339 | 65,174
Intersegment revenue | ESA |  |  |
Segment Reporting, Revenue Reconciling Item [Line Items] |  |  |
Revenues | 16,427 | 12,572 | 9,695
Unallocated corporate expenses and inter-company unrealized profit |  |  |
Segment Reporting, Revenue Reconciling Item [Line Items] |  |  |
Operating income | (51,979) | (24,987) | (17,805)
Total depreciation and amortization | $ 2,190 | $ 1,895 | $ 1,690

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