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Revenue - Disaggregated Revenues (Details) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2025 | Sep. 30, 2024 | Sep. 30, 2025 | Sep. 30, 2024
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue | $ 195,549 | $ 182,694 | $ 542,569 | $ 556,909
United States |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue | 134,972 | 124,797 | 383,726 | 387,270
Other Americas |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue | 23,019 | 26,646 | 53,079 | 70,411
Europe |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue | 34,972 | 28,996 | 99,347 | 90,376
Asia-Pacific |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue | 2,586 | 2,255 | 6,417 | 8,852
Oil & Gas |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue | 105,669 | 99,503 | 305,049 | 321,924
Aerospace & Defense |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue | 24,207 | 21,886 | 68,613 | 66,344
Industrials |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue | 22,602 | 19,512 | 60,776 | 53,005
Power Generation & Transmission |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue | 14,484 | 11,654 | 30,930 | 26,539
Other Process Industries |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue | 8,774 | 11,815 | 30,076 | 38,624
Infrastructure, Research & Engineering |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue | 10,569 | 8,730 | 25,850 | 23,949
Petrochemical |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue | 3,709 | 4,004 | 9,455 | 12,367
Other |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue | 5,535 | 5,590 | 11,820 | 14,157
Operating segments |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue | 200,166 | 186,783 | 555,182 | 567,420
Operating segments | North America |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue | 160,609 | 149,845 | 437,503 | 456,588
Operating segments | North America | United States |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue | 134,481 | 124,194 | 377,825 | 384,522
Operating segments | North America | Other Americas |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue | 24,342 | 25,108 | 54,959 | 66,829
Operating segments | North America | Europe |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue | 1,301 | 343 | 2,946 | 2,107
Operating segments | North America | Asia-Pacific |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue | 485 | 200 | 1,773 | 3,130
Operating segments | North America | Oil & Gas |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue | 97,484 | 90,460 | 275,849 | 289,843
Operating segments | North America | Aerospace & Defense |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue | 17,675 | 16,181 | 48,530 | 48,152
Operating segments | North America | Industrials |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue | 15,469 | 12,285 | 38,804 | 33,047
Operating segments | North America | Power Generation & Transmission |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue | 10,074 | 8,029 | 22,618 | 18,953
Operating segments | North America | Other Process Industries |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue | 4,722 | 7,836 | 17,100 | 26,132
Operating segments | North America | Infrastructure, Research & Engineering |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue | 5,285 | 5,189 | 12,447 | 14,286
Operating segments | North America | Petrochemical |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue | 3,694 | 3,806 | 9,329 | 11,467
Operating segments | North America | Other |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue | 6,206 | 6,059 | 12,826 | 14,708
Operating segments | International |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue | 35,521 | 33,662 | 107,812 | 100,972
Operating segments | International | United States |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue | 549 | 402 | 4,797 | 1,129
Operating segments | International | Other Americas |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue | 95 | 2,008 | 2,941 | 6,224
Operating segments | International | Europe |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue | 34,571 | 29,458 | 98,485 | 89,304
Operating segments | International | Asia-Pacific |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue | 306 | 1,794 | 1,589 | 4,315
Operating segments | International | Oil & Gas |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue | 8,125 | 9,040 | 28,714 | 31,841
Operating segments | International | Aerospace & Defense |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue | 6,395 | 5,663 | 19,690 | 18,092
Operating segments | International | Industrials |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue | 6,773 | 6,749 | 20,887 | 18,480
Operating segments | International | Power Generation & Transmission |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue | 3,714 | 3,081 | 6,796 | 6,017
Operating segments | International | Other Process Industries |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue | 4,014 | 3,900 | 12,930 | 12,337
Operating segments | International | Infrastructure, Research & Engineering |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue | 3,610 | 2,744 | 10,192 | 7,762
Operating segments | International | Petrochemical |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue | 15 | 198 | 126 | 900
Operating segments | International | Other |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue | 2,875 | 2,287 | 8,477 | 5,543
Operating segments | Products & Systems |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue | 4,036 | 3,276 | 9,867 | 9,860
Operating segments | Products & Systems | United States |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue | 1,294 | 1,658 | 3,935 | 4,800
Operating segments | Products & Systems | Other Americas |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue | 121 | 107 | 349 | 960
Operating segments | Products & Systems | Europe |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue | 826 | 850 | 2,027 | 2,081
Operating segments | Products & Systems | Asia-Pacific |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue | 1,795 | 661 | 3,556 | 2,019
Operating segments | Products & Systems | Oil & Gas |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue | 60 | 3 | 486 | 240
Operating segments | Products & Systems | Aerospace & Defense |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue | 137 | 42 | 393 | 100
Operating segments | Products & Systems | Industrials |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue | 360 | 478 | 1,085 | 1,478
Operating segments | Products & Systems | Power Generation & Transmission |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue | 696 | 544 | 1,516 | 1,569
Operating segments | Products & Systems | Other Process Industries |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue | 38 | 79 | 46 | 155
Operating segments | Products & Systems | Infrastructure, Research & Engineering |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue | 1,674 | 797 | 3,211 | 1,901
Operating segments | Products & Systems | Petrochemical |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue | 0 | 0 | 0 | 0
Operating segments | Products & Systems | Other |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue | 1,071 | 1,333 | 3,130 | 4,417
Corp/Elim |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue | (4,617) | (4,089) | (12,613) | (10,511)
Corp/Elim | United States |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue | (1,352) | (1,457) | (2,831) | (3,181)
Corp/Elim | Other Americas |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue | (1,539) | (577) | (5,170) | (3,602)
Corp/Elim | Europe |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue | (1,726) | (1,655) | (4,111) | (3,116)
Corp/Elim | Asia-Pacific |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue | 0 | (400) | (501) | (612)
Corp/Elim | Oil & Gas |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue | 0 | 0 | 0 | 0
Corp/Elim | Aerospace & Defense |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue | 0 | 0 | 0 | 0
Corp/Elim | Industrials |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue | 0 | 0 | 0 | 0
Corp/Elim | Power Generation & Transmission |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue | 0 | 0 | 0 | 0
Corp/Elim | Other Process Industries |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue | 0 | 0 | 0 | 0
Corp/Elim | Infrastructure, Research & Engineering |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue | 0 | 0 | 0 | 0
Corp/Elim | Petrochemical |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue | 0 | 0 | 0 | 0
Corp/Elim | Other |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue | $ (4,617) | $ (4,089) | $ (12,613) | $ (10,511)

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