Business Acquisitions and Dispositions - Narrative (Details) - USD ($) $ in Millions		1 Months Ended	3 Months Ended						12 Months Ended
	Oct. 01, 2025	Dec. 31, 2023	Sep. 30, 2025	Jun. 30, 2025	Mar. 31, 2025	Mar. 31, 2024	Dec. 31, 2023	Jun. 30, 2023	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Business Combination [Line Items]
Goodwill		$ 2,533.4					$ 2,533.4		$ 3,060.8	$ 2,500.8	$ 2,533.4
Acquisitions, net of cash acquired									958.3	(5.9)	1,211.7
Cash purchase price		131.0		$ 2.6
Loss on disposition of business				$ 0.4		$ 5.3			$ 0.4	5.3	$ 0.0
Customer relationships
Business Combination [Line Items]
Weighted Average Estimated Useful Life									23 years		21 years
Discontinued Operations, Disposed of by Sale
Business Combination [Line Items]
Income from the TSA									$ 1.9	$ 7.2
Term Loan Agreement | Senior Notes
Business Combination [Line Items]
Debt instrument, face amount	$ 600.0	600.0					600.0				$ 600.0
Ventev
Business Combination [Line Items]
Consideration transferred to acquire business					$ 73.0
Other Intangible assets, net					34.5
Goodwill					$ 40.0
Ventev | Customer Relationships, Tradenames
Business Combination [Line Items]
Weighted Average Estimated Useful Life					17 years
Nicor, Inc.
Business Combination [Line Items]
Consideration transferred to acquire business			$ 56.0
Other Intangible assets, net			18.6
Goodwill			$ 30.3
Nicor, Inc. | Customer Relationships, Tradenames
Business Combination [Line Items]
Weighted Average Estimated Useful Life			18 years
DMC Power, LLC.
Business Combination [Line Items]
Consideration transferred to acquire business	829.0
Other Intangible assets, net	364.0
Goodwill	468.9
DMC Power, LLC. | Customer relationships
Business Combination [Line Items]
Other Intangible assets, net	$ 290.0
DMC Power, LLC. | Customer Relationships, Developed Technology, Tradenames, and Backlog
Business Combination [Line Items]
Weighted Average Estimated Useful Life	21 years
DMC Power, LLC. | Developed Technology, Tradenames, and Backlog
Business Combination [Line Items]
Other Intangible assets, net	$ 74.0
Northern Star Holdings, Inc.
Business Combination [Line Items]
Other Intangible assets, net		573.9					573.9				573.9
Goodwill		517.9					517.9				517.9
Acquisitions, net of cash acquired							1,100.0
Northern Star Holdings, Inc. | Customer Relationships, Tradenames And Backlog
Business Combination [Line Items]
Other Intangible assets, net		573.9					$ 573.9				573.9
Weighted Average Estimated Useful Life							19 years
Systems Control
Business Combination [Line Items]
Deductible goodwill		138.8					$ 138.8				138.8
Indústria Eletromecânica Balestro Ltda
Business Combination [Line Items]
Other Intangible assets, net		5.6					5.6				5.6
Goodwill		64.5					64.5				64.5
Acquisitions, net of cash acquired							87.0
Indústria Eletromecânica Balestro Ltda | Customer Relationships, Tradenames And Backlog
Business Combination [Line Items]
Other Intangible assets, net		5.6					$ 5.6				5.6
Weighted Average Estimated Useful Life							21 years
EI Electronics LLC
Business Combination [Line Items]
Other Intangible assets, net								$ 28.7
Goodwill								23.3
Acquisitions, net of cash acquired								60.0
EI Electronics LLC | Customer Relationships, Developed Technology, Tradenames, and Backlog
Business Combination [Line Items]
Other Intangible assets, net								$ 28.7
Weighted Average Estimated Useful Life								14 years
Balestro Acquisition
Business Combination [Line Items]
Deferred purchase price											7.2
2023 Acquisitions
Business Combination [Line Items]
Goodwill		$ 605.7					$ 605.7				605.7
Contributed sales											41.4
Contributed operating income											$ 0.0