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REVENUES FROM CONTRACTS (Tables) | 9 Months Ended
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Sep. 27, 2025
Revenue from Contract with Customer [Abstract] |
Schedule of Disaggregation of Revenue | We disaggregate revenue from contracts with customers by major product line and based on the timing of recognition for each of our reportable segments, as we believe such disaggregation best depicts how the nature, amount, timing, and uncertainty of our revenues and cash flows are affected by economic factors, with such disaggregation presented below for the three and nine months ended September 27, 2025 and September 28, 2024:
|  | Three months ended September 27, 2025
Reportable Segments |  | HVAC |  | Detection and Measurement |  | Total
Major product lines |  |  |  |  |  |
Package and process cooling equipment and services, and engineered air movement and handling solutions |  | $ | 236.5 |  |  | $ | — |  |  | $ | 236.5 |
Hydronic heating, electrical heating, and ventilation |  | 150.9 |  |  | — |  |  | 150.9 |
Underground locators, inspection and rehabilitation equipment, and robotic systems |  | — |  |  | 63.4 |  |  | 63.4 |
Communication technologies, aids to navigation, and transportation systems |  | — |  |  | 142.0 |  |  | 142.0 |
|  | $ | 387.4 |  |  | $ | 205.4 |  |  | $ | 592.8 |
Timing of Revenue Recognition |  |  |  |  |  |
Revenues recognized at a point in time |  | $ | 353.9 |  |  | $ | 168.0 |  |  | $ | 521.9 |
Revenues recognized over time |  | 33.5 |  |  | 37.4 |  |  | 70.9 |
|  | $ | 387.4 |  |  | $ | 205.4 |  |  | $ | 592.8 |
|  | Nine months ended September 27, 2025
Reportable Segments |  | HVAC |  | Detection and Measurement |  | Total
Major product lines |  |  |  |  |  |
Package and process cooling equipment and services, and engineered air movement and handling solutions |  | $ | 674.4 |  |  | $ | — |  |  | $ | 674.4 |
Hydronic heating, electrical heating, and ventilation |  | 412.7 |  |  | — |  |  | 412.7 |
Underground locators, inspection and rehabilitation equipment, and robotic systems |  | — |  |  | 189.6 |  |  | 189.6 |
Communication technologies, aids to navigation, and transportation systems |  | — |  |  | 351.1 |  |  | 351.1 |
|  | $ | 1,087.1 |  |  | $ | 540.7 |  |  | $ | 1,627.8 |
Timing of Revenue Recognition |  |  |  |  |  |
Revenues recognized at a point in time |  | $ | 1,003.4 |  |  | $ | 461.4 |  |  | $ | 1,464.8 |
Revenues recognized over time |  | 83.7 |  |  | 79.3 |  |  | 163.0 |
|  | $ | 1,087.1 |  |  | $ | 540.7 |  |  | $ | 1,627.8 |
|  | Three months ended September 28, 2024
Reportable Segments |  | HVAC |  | Detection and Measurement |  | Total
Major product lines |  |  |  |  |  |
Package and process cooling equipment and services, and engineered air movement and handling solutions |  | $ | 217.7 |  |  | $ | — |  |  | $ | 217.7 |
Hydronic heating, electrical heating, and ventilation |  | 117.6 |  |  | — |  |  | 117.6 |
Underground locators, inspection and rehabilitation equipment, and robotic systems |  | — |  |  | 64.7 |  |  | 64.7 |
Communication technologies, aids to navigation, and transportation systems |  | — |  |  | 83.7 |  |  | 83.7 |
|  | $ | 335.3 |  |  | $ | 148.4 |  |  | $ | 483.7 |
Timing of Revenue Recognition |  |  |  |  |  |
Revenues recognized at a point in time |  | $ | 314.9 |  |  | $ | 117.5 |  |  | $ | 432.4 |
Revenues recognized over time |  | 20.4 |  |  | 30.9 |  |  | 51.3 |
|  | $ | 335.3 |  |  | $ | 148.4 |  |  | $ | 483.7 |
|  | Nine months ended September 28, 2024
Reportable Segments |  | HVAC |  | Detection and Measurement |  | Total
Major product lines |  |  |  |  |  |
Package and process cooling equipment and services, and engineered air movement and handling solutions |  | $ | 650.1 |  |  | $ | — |  |  | $ | 650.1 |
Hydronic heating, electrical heating, and ventilation |  | 344.1 |  |  | — |  |  | 344.1 |
Underground locators, inspection and rehabilitation equipment, and robotic systems |  | — |  |  | 191.8 |  |  | 191.8 |
Communication technologies, aids to navigation, and transportation systems |  | — |  |  | 264.2 |  |  | 264.2 |
|  | $ | 994.2 |  |  | $ | 456.0 |  |  | $ | 1,450.2 |
Timing of Revenue Recognition |  |  |  |  |  |
Revenues recognized at a point in time |  | $ | 912.3 |  |  | $ | 376.2 |  |  | $ | 1,288.5 |
Revenues recognized over time |  | 81.9 |  |  | 79.8 |  |  | 161.7 |
|  | $ | 994.2 |  |  | $ | 456.0 |  |  | $ | 1,450.2 |
Schedule of Contract with Customer, Asset and Liability | Our contract balances consisted of the following as of September 27, 2025 and December 31, 2024:
Contract Balances | September 27, 2025 |  | December 31, 2024 |  | Change
Contract Accounts Receivable(1) | $ | 368.1 |  |  | $ | 305.4 |  |  | $ | 62.7 |
Contract Assets | 70.3 |  |  | 11.3 |  |  | 59.0 |
Contract Liabilities - current | (85.1) |  |  | (62.3) |  |  | (22.8) |
Contract Liabilities - non-current(2) | (3.7) |  |  | (4.0) |  |  | 0.3 |
Net contract balance | $ | 349.6 |  |  | $ | 250.4 |  |  | $ | 99.2 |
___________________________ (1)Included in “Accounts receivable, net” within the accompanying condensed consolidated balance sheets. (2)Included in “Other long-term liabilities” within the accompanying condensed consolidated balance sheets. Our contract balances consisted of the following as of September 28, 2024 and December 31, 2023:
Contract Balances | September 28, 2024 |  | December 31, 2023 |  | Change
Contract Accounts Receivable | $ | 333.7 |  |  | $ | 275.4 |  |  | $ | 58.3 |
Contract Assets | 36.7 |  |  | 16.6 |  |  | 20.1 |
Contract Liabilities - current | (60.8) |  |  | (73.5) |  |  | 12.7 |
Contract Liabilities - non-current | (4.3) |  |  | (4.0) |  |  | (0.3) |
Net contract balance | $ | 305.3 |  |  | $ | 214.5 |  |  | $ | 90.8 |

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- Definition Tabular disclosure of receivable, contract asset, and contract liability from contract with customer. Includes, but is not limited to, change in contract asset and contract liability. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 606 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 10 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479806/606-10-50-10 + Details
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