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Special Charges, Net (Tables)
 12 Months Ended
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,
202420232022
Employee termination costs$2.4 $0.8 $0.1 
Facility consolidation costs0.3 — — 
Non-cash asset write-downs0.9 — 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 segment1.2 0.3 0.2 1.7 
Corporate— — — — 
Total$2.4 $0.3 $0.9 $3.6 
2023 Charges:
Employee
Termination
Costs		Facility Consolidation CostsNon-Cash
Asset
Write-downs		Total
Special
Charges
HVAC reportable segment$0.1 $— $— $0.1 
Detection and Measurement reportable segment0.7 — — 0.7 
Corporate— — — — 
Total$0.8 $— $— $0.8 
2022 Charges:
Employee
Termination
Costs		Facility Consolidation CostsNon-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:
202420232022
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 $— 
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(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.