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Goodwill and Other Intangible Assets (Tables)
 12 Months Ended
Dec. 31, 2024
Goodwill and Intangible Assets Disclosure [Abstract]  
Schedule in the Changes of the Carrying Amount of Goodwill, by Reportable Segment and Other Operating Segments
The changes in the carrying amount of goodwill, for the year ended December 31, 2024, were as follows:
December 31,
2023
Goodwill
Resulting
from Business
Combinations (1)
ImpairmentsForeign
Currency
Translation		December 31,
2024
HVAC reportable segment
Gross goodwill$777.8 $148.0 $— $(18.5)$907.3 
Accumulated impairments(331.9)— — 5.3 (326.6)
Goodwill445.9 148.0 — (13.2)580.7 
Detection and Measurement reportable segment
Gross goodwill432.6 — — (6.0)426.6 
Accumulated impairments(173.7)— — 0.9 (172.8)
Goodwill258.9 — — (5.1)253.8 
Total
Gross goodwill1,210.4 148.0 — (24.5)1,333.9 
Accumulated impairments(505.6)— — 6.2 (499.4)
Goodwill$704.8 $148.0 $— $(18.3)$834.5 
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(1) Reflects (i) goodwill acquired with the Ingénia acquisition of $142.4 and (ii) an increase in ASPEQ’s and TAMCO’s goodwill of $3.9 and $1.7, respectively, resulting from revisions to the valuation of certain assets and liabilities.
The changes in the carrying amount of goodwill, for the year ended December 31, 2023, were as follows:

December 31,
2022
Goodwill
Resulting
from Business
Combinations (1)
ImpairmentsForeign
Currency
Translation		December 31,
2023
HVAC reportable segment
Gross goodwill$529.5 $242.4 $— $5.9 $777.8 
Accumulated impairments(328.2)— — (3.7)(331.9)
Goodwill201.3 242.4 — 2.2 445.9 
Detection and Measurement reportable segment
Gross goodwill425.2 0.8 — 6.6 432.6 
Accumulated impairments(171.2)— — (2.5)(173.7)
Goodwill254.0 0.8 — 4.1 258.9 
Total
Gross goodwill954.7 243.2 — 12.5 1,210.4 
Accumulated impairments(499.4)— — (6.2)(505.6)
Goodwill$455.3 $243.2 $— $6.3 $704.8 

___________________________________________________________________
(1) Reflects (i) goodwill acquired with the ASPEQ and TAMCO acquisitions of $191.1 and $51.3, respectively, and (ii) an increase in ITL’s goodwill of $0.8 resulting from revisions to the valuation of certain assets and liabilities.
Schedule of Identifiable Intangible Assets
Identifiable intangible assets were as follows:
December 31, 2024December 31, 2023
Gross
Carrying
Value		Accumulated
Amortization		Net
Carrying
Value		Gross
Carrying
Value		Accumulated
Amortization		Net
Carrying
Value
Intangible assets with determinable lives:(1)
Customer relationships$421.1 $(103.3)$317.8 $403.2 $(68.8)$334.4 
Technology 181.7 (41.3)140.4 139.5 (27.8)111.7 
Patents4.5 (4.5)— 4.5 (4.5)— 
Other71.0 (45.7)25.3 45.4 (32.0)13.4 
678.3 (194.8)483.5 592.6 (133.1)459.5 
Trademarks with indefinite lives219.5 — 219.5 221.3 — 221.3 
Total
$897.8 $(194.8)$703.0 $813.9 $(133.1)$680.8 
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(1)The gross carrying value of identifiable intangible assets acquired with the Ingénia acquisition consist of technology of $46.7, customer relationships of $23.5, definite-lived trademarks of $13.9, and backlog of $13.8.