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v3.23.2

Goodwill and Other Intangible Assets - Changes in Carrying Amount of Goodwill (Details) $ in Millions | 6 Months Ended
--- | ---
Jun. 30, 2023 USD ($)
Goodwill [Roll Forward] |
Goodwill, beginning balance | $ 453.4
Goodwill | 20.9
Translation adjustments | 1.1
Goodwill, ending balance | 475.4
Environmental Solutions |
Goodwill [Roll Forward] |
Goodwill, beginning balance | 343.8
Goodwill | 20.9
Translation adjustments | 0.3
Goodwill, ending balance | 365.0
Safety and Security Systems |
Goodwill [Roll Forward] |
Goodwill, beginning balance | 109.6
Goodwill | 0.0
Translation adjustments | 0.8
Goodwill, ending balance | $ 110.4

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- Definition Amount of increase in asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized resulting from a business combination. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Topic 350 -SubTopic 20 -Name Accounting Standards Codification -Section 55 -Paragraph 24 -Publisher FASB -URI https://asc.fasb.org//1943274/2147482548/350-20-55-24 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 350 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org//1943274/2147482573/350-20-50-1 + Details
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- Definition Amount of foreign currency translation gain (loss) which increases (decreases) an asset representing future economic benefits from other assets acquired in a business combination that are not individually identified and separately recognized. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 350 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (f) -Publisher FASB -URI https://asc.fasb.org//1943274/2147482573/350-20-50-1 + Details
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