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Segment Information - Schedule of Depreciation and Amortization Expense by Segment (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2025	Sep. 30, 2024	Sep. 30, 2025	Sep. 30, 2024
Schedule of Depreciation and Amortization Expense by Segment [Line Items]
Depreciation and amortization	$ 20.3	$ 16.5	$ 58.9	$ 47.7
Operating Segments
Schedule of Depreciation and Amortization Expense by Segment [Line Items]
Depreciation and amortization	20.1	16.4	58.5	47.4
Environmental Solutions
Schedule of Depreciation and Amortization Expense by Segment [Line Items]
Depreciation and amortization	19.1	15.4	55.4	44.4
Safety and Security Systems
Schedule of Depreciation and Amortization Expense by Segment [Line Items]
Depreciation and amortization	1.0	1.0	3.1	3.0
Corporate
Schedule of Depreciation and Amortization Expense by Segment [Line Items]
Depreciation and amortization	$ 0.2	$ 0.1	$ 0.4	$ 0.3

- Definition

The aggregate expense recognized in the current period that allocates the cost of tangible assets, intangible assets, or depleting assets to periods that benefit from use of the assets.

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