XML 92 R37.htm IDEA: XBRL DOCUMENT v3.25.0.1
Goodwill and Other Intangible Assets (Tables)
 12 Months Ended
Dec. 31, 2024
Goodwill and Intangible Assets Disclosure [Abstract]  
Changes in Carrying Amount of Goodwill
The following table summarizes the carrying amount of goodwill and changes in the carrying amount of goodwill, by segment:
(in millions of dollars)Environmental
Solutions		Safety & Security
Systems		Total
Balance at December 31, 2022$343.8 $109.6 $453.4 
Acquisitions, including measurement period adjustments17.8 — 17.8 
Translation adjustments0.3 1.2 1.5 
Balance at December 31, 2023361.9 110.8 472.7 
Acquisitions, including measurement period adjustments8.0 — 8.0 
Translation adjustments(1.1)(1.9)(3.0)
Balance at December 31, 2024$368.8 $108.9 $477.7 
Schedule of Finite-Lived Intangible Assets
The following table summarizes the gross carrying amount and accumulated amortization of intangible assets for each major class of intangible assets:
 20242023
(in millions of dollars)Gross Carrying ValueAccumulated AmortizationNet Carrying ValueGross Carrying ValueAccumulated AmortizationNet Carrying Value
Definite-lived intangible assets:
Customer relationships (a)
$165.7 $(80.7)$85.0 $161.6 $(66.3)$95.3 
Other (a)
7.2 (4.9)2.3 8.1 (4.4)3.7 
Total definite-lived intangible assets172.9 (85.6)87.3 169.7 (70.7)99.0 
Indefinite-lived intangible assets:
Trade names108.1 — 108.1 104.2 — 104.2 
Other4.3 — 4.3 4.3 — 4.3 
Total indefinite-lived intangible assets112.4 — 112.4 108.5 — 108.5 
Total intangible assets$285.3 $(85.6)$199.7 $278.2 $(70.7)$207.5 
(a)    Average useful life of customer relationships and other definite-lived intangible assets are estimated to be approximately 11 years and 6 years, respectively. The average useful life across all definite-lived intangible assets is estimated to be approximately 11 years.
Schedule of Indefinite-Lived Intangible Assets
The following table summarizes the gross carrying amount and accumulated amortization of intangible assets for each major class of intangible assets:
 20242023
(in millions of dollars)Gross Carrying ValueAccumulated AmortizationNet Carrying ValueGross Carrying ValueAccumulated AmortizationNet Carrying Value
Definite-lived intangible assets:
Customer relationships (a)
$165.7 $(80.7)$85.0 $161.6 $(66.3)$95.3 
Other (a)
7.2 (4.9)2.3 8.1 (4.4)3.7 
Total definite-lived intangible assets172.9 (85.6)87.3 169.7 (70.7)99.0 
Indefinite-lived intangible assets:
Trade names108.1 — 108.1 104.2 — 104.2 
Other4.3 — 4.3 4.3 — 4.3 
Total indefinite-lived intangible assets112.4 — 112.4 108.5 — 108.5 
Total intangible assets$285.3 $(85.6)$199.7 $278.2 $(70.7)$207.5 
(a)    Average useful life of customer relationships and other definite-lived intangible assets are estimated to be approximately 11 years and 6 years, respectively. The average useful life across all definite-lived intangible assets is estimated to be approximately 11 years.