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INFORMATION ON REPORTABLE SEGMENTS AND CORPORATE EXPENSE - Financial Data (Details) - USD ($) $ in Millions | 3 Months Ended | 9 Months Ended |
--- | --- | --- | ---
Sep. 27, 2025 | Sep. 28, 2024 | Sep. 27, 2025 | Sep. 28, 2024 | Dec. 31, 2024
Revenues from External Customers and Long-Lived Assets [Line Items] |  |  |  |  |
Revenues | $ 592.8 | $ 483.7 | $ 1,627.8 | $ 1,450.2 |
Cost of products sold | 353.3 | 286.1 | 963.5 | 868.9 |
Selling, general and administrative expense | 117.7 | 101.6 | 344.4 | 305.7 |
Segment and Consolidated operating income | 97.1 | 78.9 | 250.3 | 218.1 |
Acquisition and integration-related costs | 7.7 | 1.4 | 21.0 | 6.3 |
Long-term incentive compensation expense | 4.2 | 4.0 | 11.8 | 11.0 |
Amortization of acquired intangible assets | 24.6 | 16.6 | 68.9 | 48.2 |
Special charges, net | 0.1 | 0.5 | 0.2 | 0.9 |
Other operating expense, net | 0.0 | 0.0 | 0.5 | 8.4 |
Other expense, net | (3.2) | (1.4) | (2.6) | (7.1) |
Interest expense | 12.0 | 12.1 | 39.9 | 34.7 |
Interest income | 1.1 | 0.6 | 3.0 | 1.2 |
Loss on amendment/refinancing of senior credit agreement | (1.5) | 0.0 | (1.5) | 0.0 |
Income from continuing operations before income taxes | 81.5 | 66.0 | 209.3 | 177.5 |
Capital expenditures: |  |  |  |  |
Total capital expenditures | 10.4 | 7.9 | 23.6 | 28.2 |
Depreciation and amortization: |  |  |  |  |
Total depreciation and amortization | 32.4 | 23.5 | 91.9 | 67.9 |
Tangible Long-Lived Assets: |  |  |  |  |
Total tangible long-lived assets | 450.9 |  | 450.9 |  | $ 384.5
Amortization of deferred compensation plan asset |  |  | 17.4 | 0.0 |
Kranze Technology Solutions, Inc |  |  |  |  |
Revenues from External Customers and Long-Lived Assets [Line Items] |  |  |  |  |
Amortization of acquired intangible assets | 5.5 |  | 14.7 |  |
Tangible Long-Lived Assets: |  |  |  |  |
Amortization of deferred compensation plan asset | 6.5 |  | 17.4 |  |
Kranze Technology Solutions, Inc | Cost of Sales | Step-Up of Inventory |  |  |  |  |
Revenues from External Customers and Long-Lived Assets [Line Items] |  |  |  |  |
Acquisition and integration-related costs | 0.5 |  | 1.3 |  |
Sigma & Omega |  |  |  |  |
Revenues from External Customers and Long-Lived Assets [Line Items] |  |  |  |  |
Amortization of acquired intangible assets | 5.0 |  | 9.4 |  |
Sigma & Omega | Cost of Sales | Step-Up of Inventory |  |  |  |  |
Revenues from External Customers and Long-Lived Assets [Line Items] |  |  |  |  |
Acquisition and integration-related costs | 0.1 |  | 0.1 |  |
Ingénia Technologies Inc. |  |  |  |  |
Revenues from External Customers and Long-Lived Assets [Line Items] |  |  |  |  |
Acquisition and integration-related costs |  | 0.9 |  | 4.8 |
Ingénia Technologies Inc. | Cost of Sales | Step-Up of Inventory |  |  |  |  |
Revenues from External Customers and Long-Lived Assets [Line Items] |  |  |  |  |
Acquisition and integration-related costs |  |  |  | 1.8 |
United States |  |  |  |  |
Revenues from External Customers and Long-Lived Assets [Line Items] |  |  |  |  |
Revenues | 470.5 | 395.8 | 1,312.4 | 1,199.3 |
Tangible Long-Lived Assets: |  |  |  |  |
Total tangible long-lived assets | 331.7 |  | 331.7 |  | 275.5
Canada |  |  |  |  |
Revenues from External Customers and Long-Lived Assets [Line Items] |  |  |  |  |
Revenues | 55.8 | 28.2 | 135.7 | 82.0 |
Tangible Long-Lived Assets: |  |  |  |  |
Total tangible long-lived assets | 86.3 |  | 86.3 |  | 83.3
China |  |  |  |  |
Revenues from External Customers and Long-Lived Assets [Line Items] |  |  |  |  |
Revenues | 18.2 | 16.5 | 52.9 | 45.9 |
United Kingdom |  |  |  |  |
Revenues from External Customers and Long-Lived Assets [Line Items] |  |  |  |  |
Revenues | 23.6 | 24.5 | 63.5 | 66.7 |
Other |  |  |  |  |
Revenues from External Customers and Long-Lived Assets [Line Items] |  |  |  |  |
Revenues | 24.7 | 18.7 | 63.3 | 56.3 |
Tangible Long-Lived Assets: |  |  |  |  |
Total tangible long-lived assets | 32.9 |  | 32.9 |  | $ 25.7
Operating Segments |  |  |  |  |
Revenues from External Customers and Long-Lived Assets [Line Items] |  |  |  |  |
Revenues | 592.8 | 483.7 | 1,627.8 | 1,450.2 |
Segment and Consolidated operating income | 146.1 | 113.8 | 392.4 | 331.2 |
Corporate |  |  |  |  |
Revenues from External Customers and Long-Lived Assets [Line Items] |  |  |  |  |
Corporate expense | 12.4 | 12.4 | 39.7 | 38.3 |
Special charges, net | 0.0 | 0.0 | 0.1 | 0.0 |
Capital expenditures: |  |  |  |  |
Total capital expenditures | 0.0 | 0.0 | 0.0 | 0.5 |
Depreciation and amortization: |  |  |  |  |
Total depreciation and amortization | 0.6 | 0.6 | 1.8 | 1.9 |
Segment Reconciling Items | ULC Robotics |  |  |  |  |
Revenues from External Customers and Long-Lived Assets [Line Items] |  |  |  |  |
Other operating expense, net |  |  |  | 8.4 |
HVAC reportable segment |  |  |  |  |
Revenues from External Customers and Long-Lived Assets [Line Items] |  |  |  |  |
Revenues | 387.4 | 335.3 | 1,087.1 | 994.2 |
HVAC reportable segment | Operating Segments |  |  |  |  |
Revenues from External Customers and Long-Lived Assets [Line Items] |  |  |  |  |
Revenues | 387.4 | 335.3 | 1,087.1 | 994.2 |
Cost of products sold | 236.1 | 206.0 | 661.8 | 615.2 |
Selling, general and administrative expense | 56.9 | 49.3 | 161.2 | 146.9 |
Segment and Consolidated operating income | 94.4 | 80.0 | 264.1 | 232.1 |
Special charges, net | 0.0 | 0.0 | (0.2) | 0.2 |
Capital expenditures: |  |  |  |  |
Total capital expenditures | 6.2 | 6.0 | 17.0 | 23.7 |
Depreciation and amortization: |  |  |  |  |
Total depreciation and amortization | 19.6 | 16.7 | 55.4 | 47.9 |
Detection and Measurement reportable segment |  |  |  |  |
Revenues from External Customers and Long-Lived Assets [Line Items] |  |  |  |  |
Revenues | 205.4 | 148.4 | 540.7 | 456.0 |
Detection and Measurement reportable segment | Operating Segments |  |  |  |  |
Revenues from External Customers and Long-Lived Assets [Line Items] |  |  |  |  |
Revenues | 205.4 | 148.4 | 540.7 | 456.0 |
Cost of products sold | 116.6 | 80.1 | 300.3 | 251.9 |
Selling, general and administrative expense | 37.1 | 34.5 | 112.1 | 105.0 |
Segment and Consolidated operating income | 51.7 | 33.8 | 128.3 | 99.1 |
Special charges, net | 0.1 | 0.5 | 0.3 | 0.7 |
Capital expenditures: |  |  |  |  |
Total capital expenditures | 4.2 | 1.9 | 6.6 | 4.0 |
Depreciation and amortization: |  |  |  |  |
Total depreciation and amortization | $ 12.2 | $ 6.2 | $ 34.7 | $ 18.1 |

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