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Goodwill and Other Intangible Assets - Schedule of Intangible Assets (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017	Jun. 07, 2018
Intangible assets with determinable lives
Gross carrying value of finite-lived intangible assets	$ 124.0	$ 77.7
Accumulated amortization	(25.7)	(17.0)
Net carrying value of finite-lived intangible assets	98.3	60.7
Gross carrying value	277.4	215.4
Net carrying value	251.7	198.4
Intangible assets with indefinite lives
Amortization expense	8.9	4.2	$ 0.6
Estimated amortization expense related to intangible assets
2020	9.6
2021	9.6
2022	9.6
2023	9.6
2024	9.6
Goodwill	$ 449.3	394.4	345.9
Minimum
Estimated amortization expense related to intangible assets
Percentage fair value of each reporting unit exceeds carrying value	100.00%
HVAC reportable segment
Intangible assets with determinable lives
Net carrying value of finite-lived intangible assets	$ 27.4
Intangible assets with indefinite lives
Trademarks	96.2
Estimated amortization expense related to intangible assets
Goodwill	132.5	117.4	119.0
Detection and Measurement reportable segment
Intangible assets with determinable lives
Net carrying value of finite-lived intangible assets	70.9
Intangible assets with indefinite lives
Trademarks	48.1
Estimated amortization expense related to intangible assets
Goodwill	170.5	130.7	80.6
Engineered Solutions reportable segment
Intangible assets with indefinite lives
Trademarks	9.1
Estimated amortization expense related to intangible assets
Goodwill	146.3	146.3	$ 146.3
Trademarks
Intangible assets with indefinite lives
Trademarks	153.4	137.7
Customer relationships
Intangible assets with determinable lives
Gross carrying value of finite-lived intangible assets	77.4	44.8
Accumulated amortization	(8.7)	(3.5)
Net carrying value of finite-lived intangible assets	68.7	41.3
Technology
Intangible assets with determinable lives
Gross carrying value of finite-lived intangible assets	29.5	17.1
Accumulated amortization	(3.3)	(1.1)
Net carrying value of finite-lived intangible assets	26.2	16.0
Patents
Intangible assets with determinable lives
Gross carrying value of finite-lived intangible assets	4.5	4.5
Accumulated amortization	(4.5)	(4.5)
Net carrying value of finite-lived intangible assets	0.0	0.0
Other
Intangible assets with determinable lives
Gross carrying value of finite-lived intangible assets	12.6	11.3
Accumulated amortization	(9.2)	(7.9)
Net carrying value of finite-lived intangible assets	3.4	$ 3.4
Sabik Marine | Trademarks
Intangible assets with indefinite lives
Intangible assets	9.0
Sabik Marine | Customer relationships
Intangible assets with indefinite lives
Intangible assets	11.6
Sabik Marine | Technology
Intangible assets with indefinite lives
Intangible assets	9.1
Sabik Marine | Customer backlog
Intangible assets with indefinite lives
Intangible assets	0.4
Sabik Marine | Trademarks
Intangible assets with indefinite lives
Intangible assets	0.2
SGS Refrigeration Inc. | Trademarks
Intangible assets with indefinite lives
Intangible assets	1.0
SGS Refrigeration Inc. | Customer relationships
Intangible assets with indefinite lives
Intangible assets	3.7
SGS Refrigeration Inc. | Customer backlog
Intangible assets with indefinite lives
Intangible assets	0.4
Patterson-Kelley, LLC | Trademarks
Intangible assets with indefinite lives
Intangible assets	6.0
Patterson-Kelley, LLC | Customer relationships
Intangible assets with indefinite lives
Intangible assets	17.5
Patterson-Kelley, LLC | Technology
Intangible assets with indefinite lives
Intangible assets	3.5
Patterson-Kelley, LLC | Customer backlog
Intangible assets with indefinite lives
Intangible assets	$ 0.3
Cues, Inc.
Intangible assets with indefinite lives
Intangible assets				$ 79.5
Estimated amortization expense related to intangible assets
Percentage fair value of each reporting unit exceeds carrying value	10.00%
Goodwill	$ 47.8			47.8
Cues, Inc. | Trademarks
Intangible assets with indefinite lives
Intangible assets				27.6
Cues, Inc. | Customer relationships
Intangible assets with indefinite lives
Intangible assets				42.6
Cues, Inc. | Technology
Intangible assets with indefinite lives
Intangible assets				8.5
Cues, Inc. | Customer backlog
Intangible assets with indefinite lives
Intangible assets				$ 0.8

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