Goodwill and Other Intangible Assets - Narrative (Details) - USD ($) $ in Millions	3 Months Ended			12 Months Ended
	Dec. 31, 2021	Oct. 02, 2021	Dec. 31, 2020	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Schedule of changes in the carrying amount of goodwill, by reportable segment and other operating segments
Impairment charges	$ 5.7			$ 0.0	$ 0.4	$ 0.5
Amortization expense				21.6	14.0	8.9
Estimated amortization expense related to intangible assets
Estimated amortization expense 2022	28.0			28.0
Estimated amortization expense 2023	23.0			23.0
Estimated amortization expense 2024	23.0			23.0
Estimated amortization expense 2025	23.0			23.0
Estimated amortization expense 2026	23.0			23.0
Estimated annual amortization expense, Thereafter	23.0			23.0
Aggregate carrying value of definite lived intangible assets	243.3		$ 141.1	243.3	141.1
Impairments				28.2	0.0
Goodwill	457.3		368.6	457.3	368.6	318.0
Customer relationships
Estimated amortization expense related to intangible assets
Aggregate carrying value of definite lived intangible assets	161.5		87.2	161.5	87.2
Technology
Estimated amortization expense related to intangible assets
Aggregate carrying value of definite lived intangible assets	68.2		47.6	68.2	47.6
Sealite | Customer backlog
Schedule of changes in the carrying amount of goodwill, by reportable segment and other operating segments
Finite-lived intangible assets acquired	1.9			1.9
Sealite | Customer relationships
Schedule of changes in the carrying amount of goodwill, by reportable segment and other operating segments
Finite-lived intangible assets acquired	12.1			12.1
Sealite | Technology
Schedule of changes in the carrying amount of goodwill, by reportable segment and other operating segments
Finite-lived intangible assets acquired	6.6			6.6
Sealite | Trademarks
Schedule of changes in the carrying amount of goodwill, by reportable segment and other operating segments
Finite-lived intangible assets acquired	0.0			0.0
Enterprise Control Systems Ltd | Customer backlog
Schedule of changes in the carrying amount of goodwill, by reportable segment and other operating segments
Finite-lived intangible assets acquired	0.8			0.8
Enterprise Control Systems Ltd | Customer relationships
Schedule of changes in the carrying amount of goodwill, by reportable segment and other operating segments
Finite-lived intangible assets acquired	12.6			12.6
Enterprise Control Systems Ltd | Technology
Schedule of changes in the carrying amount of goodwill, by reportable segment and other operating segments
Finite-lived intangible assets acquired	5.8			5.8
Enterprise Control Systems Ltd | Trademarks
Schedule of changes in the carrying amount of goodwill, by reportable segment and other operating segments
Finite-lived intangible assets acquired	1.2			1.2
Cincinnati Fan | Customer backlog
Schedule of changes in the carrying amount of goodwill, by reportable segment and other operating segments
Finite-lived intangible assets acquired	4.3			4.3
Cincinnati Fan | Customer relationships
Schedule of changes in the carrying amount of goodwill, by reportable segment and other operating segments
Finite-lived intangible assets acquired	61.7			61.7
Cincinnati Fan | Technology
Schedule of changes in the carrying amount of goodwill, by reportable segment and other operating segments
Finite-lived intangible assets acquired	14.4			14.4
Cincinnati Fan | Trademarks
Schedule of changes in the carrying amount of goodwill, by reportable segment and other operating segments
Finite-lived intangible assets acquired	4.7			4.7
ULC Robotics
Estimated amortization expense related to intangible assets
Impairments	5.2
ULC Robotics | Goodwill
Estimated amortization expense related to intangible assets
Impairments	4.9	$ 23.3
Trademarks
Schedule of changes in the carrying amount of goodwill, by reportable segment and other operating segments
Impairment charges	0.5		0.7	1.3
Estimated amortization expense related to intangible assets
Trademarks	172.2		163.9	172.2	163.9
Trademarks | Sealite
Schedule of changes in the carrying amount of goodwill, by reportable segment and other operating segments
Finite-lived intangible assets acquired	11.6			11.6
Trademarks | ULC Robotics
Schedule of changes in the carrying amount of goodwill, by reportable segment and other operating segments
Impairment charges	1.3	$ 1.3
Estimated amortization expense related to intangible assets
Impairments	0.3
ULC Robotics
Schedule of changes in the carrying amount of goodwill, by reportable segment and other operating segments
Impairment charges	5.2
Estimated amortization expense related to intangible assets
Goodwill	$ 12.0			$ 12.0
Minimum
Estimated amortization expense related to intangible assets
Percentage fair value of each reporting unit exceeds carrying value	30.00%			30.00%
HVAC reportable segment
Estimated amortization expense related to intangible assets
Aggregate carrying value of definite lived intangible assets	$ 106.2			$ 106.2
Trademarks	105.4			105.4
Impairments					0.0
Goodwill	194.8		151.6	194.8	151.6	147.5
Detection and Measurement reportable segment
Estimated amortization expense related to intangible assets
Aggregate carrying value of definite lived intangible assets	137.1			137.1
Trademarks	66.8			66.8
Impairments				28.2	0.0
Goodwill	$ 262.5		$ 217.0	$ 262.5	$ 217.0	$ 170.5