Acquisitions, Discontinued Operations, and the Asbestos Portfolio Sale - Pro Forma Results (Details) - USD ($) $ / shares in Units, $ in Millions	12 Months Ended
Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Acquisitions, Dispositions and Discontinued Operations [Abstract]
Revenues	$ 1,991.9	$ 1,852.6	$ 1,564.7
Income (loss) from continuing operations	210.9	127.5	(3.8)
Net income (loss)	$ 209.6	$ 72.7	$ (23.4)
Income (loss) from continuing operations per share of common stock:
Basic (in dollars per share)	$ 4.57	$ 2.80	$ (0.08)
Diluted (in dollars per share)	4.48	2.74	(0.08)
Net income (loss) per share of common stock:
Basic (in dollars per share)	4.54	1.60	(0.52)
Diluted (in dollars per share)	$ 4.45	$ 1.56	$ (0.52)

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Business Acquisition, Pro Forma Earnings Per Share

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Business Acquisition, Pro Forma Income (Loss) from Continuing Operations

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The pro forma basic net income per share for a period as if the business combination or combinations had been completed at the beginning of a period.

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Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
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-SubTopic 10
-Topic 805
-Publisher FASB
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The pro forma diluted net income per share for a period as if the business combination or combinations had been completed at the beginning of a period.

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Per basic share amount of pro forma income from continuing operations, after tax, as if the business combination had been completed at the beginning of a period.

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Per diluted share amount of pro forma income from continuing operations, after tax, as if the business combination had been completed at the beginning of a period.

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Amount after tax of pro forma income from continuing operations as if the business combination had been completed at the beginning of a period.

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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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-Name Accounting Standards Codification
-Section 50
-Paragraph 2
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-URI https://asc.fasb.org/1943274/2147479328/805-10-50-2

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The pro forma net Income or Loss for the period as if the business combination or combinations had been completed at the beginning of a period.

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