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Segment Information - Reconciliation of Assets from Segment to Consolidated (Details) - USD ($) $ in Millions	Sep. 30, 2025	Dec. 31, 2024
Segment Reporting, Asset Reconciling Item [Line Items]
Assets	$ 1,938.4	$ 1,765.2
Operating Segments
Segment Reporting, Asset Reconciling Item [Line Items]
Assets	1,896.4	1,704.2
Environmental Solutions
Segment Reporting, Asset Reconciling Item [Line Items]
Assets	1,595.1	1,424.7
Safety and Security Systems
Segment Reporting, Asset Reconciling Item [Line Items]
Assets	301.3	279.5
Corporate
Segment Reporting, Asset Reconciling Item [Line Items]
Assets	$ 42.0	$ 61.0

X

- Definition

Amount of asset recognized for present right to economic benefit.

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