Segment Information - Reconciliation of Assets from Segment to Consolidated (Details) - USD ($) $ in Millions	Jun. 30, 2026	Dec. 31, 2025
Segment Reporting, Asset Reconciling Item [Line Items]
Assets	$ 2,440.0	$ 2,392.6
Operating Segments
Segment Reporting, Asset Reconciling Item [Line Items]
Assets	2,381.5	2,344.2
Environmental Solutions
Segment Reporting, Asset Reconciling Item [Line Items]
Assets	2,081.2	2,040.7
Safety and Security Systems
Segment Reporting, Asset Reconciling Item [Line Items]
Assets	300.3	303.5
Corporate
Segment Reporting, Asset Reconciling Item [Line Items]
Assets	$ 58.5	$ 48.4

Amount of asset recognized for present right to economic benefit.

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+ Details