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Special Charges, Net (Tables) | 12 Months Ended
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Dec. 31, 2024
Restructuring and Related Activities [Abstract] |
Schedule of Special Charges by Expense Type | Special charges for the years ended December 31, 2024, 2023, and 2022 are described in more detail below and in the applicable sections that follow:
| Years Ended December 31,
| 2024 |  | 2023 |  | 2022
Employee termination costs | $ | 2.4 |  |  | $ | 0.8 |  |  | $ | 0.1 |
Facility consolidation costs | 0.3 |  |  | — |  |  | — |
Non-cash asset write-downs | 0.9 |  |  | — |  |  | 0.3 |
Total | $ | 3.6 |  |  | $ | 0.8 |  |  | $ | 0.4 |
Schedule of Special Charges | 2024 Charges:
| Employee Termination Costs |  | Facility Consolidation Costs |  |  |  | Non-Cash Asset Write-downs |  | Total Special Charges
HVAC reportable segment | $ | 1.2 |  |  | $ | — |  |  |  |  | $ | 0.7 |  |  | $ | 1.9 |
Detection and Measurement reportable segment | 1.2 |  |  | 0.3 |  |  |  |  | 0.2 |  |  | 1.7 |
Corporate | — |  |  | — |  |  |  |  | — |  |  | — |
Total | $ | 2.4 |  |  | $ | 0.3 |  |  |  |  | $ | 0.9 |  |  | $ | 3.6 |
2023 Charges:
| Employee Termination Costs |  |  |  | Facility Consolidation Costs |  | Non-Cash Asset Write-downs |  | Total Special Charges
HVAC reportable segment | $ | 0.1 |  |  |  |  | $ | — |  |  | $ | — |  |  | $ | 0.1 |
Detection and Measurement reportable segment | 0.7 |  |  |  |  | — |  |  | — |  |  | 0.7 |
Corporate | — |  |  |  |  | — |  |  | — |  |  | — |
Total | $ | 0.8 |  |  |  |  | $ | — |  |  | $ | — |  |  | $ | 0.8 |
2022 Charges:
| Employee Termination Costs |  |  |  | Facility Consolidation Costs |  | Non-Cash Asset Write-downs |  | Total Special Charges
HVAC reportable segment | $ | 0.1 |  |  |  |  | $ | — |  |  | $ | — |  |  | $ | 0.1 |
Detection and Measurement reportable segment | — |  |  |  |  | — |  |  | 0.3 |  |  | 0.3 |
Corporate | — |  |  |  |  | — |  |  | — |  |  | — |
Total | $ | 0.1 |  |  |  |  | $ | — |  |  | $ | 0.3 |  |  | $ | 0.4 |
Schedule of the Analysis of the Company's Restructuring Liabilities | The following is an analysis of our restructuring liabilities for the years ended December 31, 2024, 2023, and 2022:
| 2024 |  | 2023 |  | 2022
Balance at beginning of year | $ | 0.7 |  |  | $ | — |  |  | $ | 0.3 |
Special charges (1) | 2.7 |  |  | 0.8 |  |  | 0.1 |
Utilization — cash | (1.6) |  |  | (0.1) |  |  | (0.4) |
Balance at the end of year | $ | 1.8 |  |  | $ | 0.7 |  |  | $ | — |
___________________________________________________________________ (1)The year ended December 31, 2024, 2023, and 2022 excluded $0.9, $0.0, $0.3, respectively, of non-cash charges that impacted special charges but not the restructuring liabilities.

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- Definition Tabular disclosure of the restructuring, impairment and other related charges by reporting segment of the entity. + References No definition available. + Details
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- Definition Tabular disclosure to roll forward the entity's restructuring and integration reserves associated with the exit from or disposal of business activities or restructuring for the period. + References No definition available. + Details
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- Definition Tabular disclosure of costs incurred for restructuring including, but not limited to, exit and disposal activities, remediation, implementation, integration, asset impairment, and charges against earnings from the write-down of assets. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 420 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SAB Topic 5.P.3) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479823/420-10-S99-1 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 420 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 2 -Subparagraph (SAB Topic 5.P.4) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479823/420-10-S99-2 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section 50 -Paragraph 1 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482017/420-10-50-1 + Details
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