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BASIS OF PRESENTATION (Details) - USD ($) $ in Millions |  |  |  |  |  | 3 Months Ended | 6 Months Ended
--- | --- | --- | --- | --- | --- | --- | ---
Mar. 27, 2026 | Feb. 06, 2026 | Jan. 20, 2026 | Apr. 15, 2025 | Jan. 27, 2025 | Jun. 27, 2026 | Dec. 31, 2025 | Sep. 27, 2025 | Jun. 28, 2025 | Jun. 27, 2026 | Jun. 28, 2025
Business Combination [Line Items] |  |  |  |  |  |  |  |  |  |  |
Business acquisition, net of cash acquired |  |  |  |  |  |  |  |  |  | $ 439.6 | $ 447.7
Loss on disposition of discontinued operation, net of tax |  |  |  |  |  | $ 0.9 |  |  | $ 0.3 | $ 7.0 | $ 0.8
Discontinued Operations, Disposed of by Sale | Crawford United Corporation Non-Core Businesses |  |  |  |  |  |  |  |  |  |  |
Business Combination [Line Items] |  |  |  |  |  |  |  |  |  |  |
Aggregate cash proceeds | $ 60.0 |  |  |  |  |  |  |  |  |  |
Cash proceeds | 59.2 |  |  |  |  |  |  |  |  |  |
Discontinued operation, cash | 1.4 |  |  |  |  |  |  |  |  |  |
Discontinued operation debt contributed | 2.2 |  |  |  |  |  |  |  |  |  |
Loss on disposition of discontinued operation, net of tax | $ 5.7 |  |  |  |  |  |  |  |  |  |
Kranze Technology Solutions, Inc |  |  |  |  |  |  |  |  |  |  |
Business Combination [Line Items] |  |  |  |  |  |  |  |  |  |  |
Business acquisition, net of cash acquired |  |  |  |  | $ 340.0 |  |  |  |  |  |
Deferred compensation plan assets |  |  |  |  | $ 46.5 |  |  |  |  |  |
Working capital acquired from acquisition |  |  |  |  |  |  |  | $ 2.4 |  |  |
Sigma & Omega |  |  |  |  |  |  |  |  |  |  |
Business Combination [Line Items] |  |  |  |  |  |  |  |  |  |  |
Business acquisition, net of cash acquired |  |  |  | $ 143.3 |  |  |  |  |  |  |
Working capital acquired from acquisition |  |  |  |  |  |  | $ 0.3 |  |  |  |
Cash acquired |  |  |  | $ 0.2 |  |  |  |  |  |  |
Thermolec Ltd |  |  |  |  |  |  |  |  |  |  |
Business Combination [Line Items] |  |  |  |  |  |  |  |  |  |  |
Business acquisition, net of cash acquired |  |  | $ 140.2 |  |  |  |  |  |  |  |
Cash acquired |  |  | $ 1.3 |  |  |  |  |  |  |  |
Crawford United Corporation |  |  |  |  |  |  |  |  |  |  |
Business Combination [Line Items] |  |  |  |  |  |  |  |  |  |  |
Business acquisition, net of cash acquired |  | $ 299.4 |  |  |  |  |  |  |  |  |
Cash acquired |  | $ 0.6 |  |  |  |  |  |  |  |  |

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