Business Acquisitions - Narrative (Details) - USD ($) $ in Millions			3 Months Ended		4 Months Ended	9 Months Ended
	Jun. 09, 2026	Oct. 01, 2025	Sep. 30, 2025	Mar. 31, 2025	Sep. 30, 2026	Sep. 30, 2026	Jun. 08, 2026	Dec. 31, 2025
Business Combination [Line Items]
Goodwill					$ 4,368.2	$ 4,368.2		$ 3,060.8
Unsecured Debt | Term Loan 2026
Business Combination [Line Items]
Aggregate principal amount	$ 900.0
Aggregate principal amount							$ 900.0
Unsecured Debt | Term Loan 2025
Business Combination [Line Items]
Aggregate principal amount		$ 600.0
Senior Notes
Business Combination [Line Items]
Aggregate principal amount	1,900.0
NSI Industries
Business Combination [Line Items]
Consideration transferred to acquire business	3,000.0
Intangible assets	1,856.0
Goodwill	$ 1,303.9				1,303.9	$ 1,303.9
Weighted average period (in years)	25 years
Goodwill, expected tax deductible, amount	$ 57.1
Contributed sales					197.9
Contributed operating income					$ 21.3
NSI Industries | Customer relationships
Business Combination [Line Items]
Weighted average period (in years)						25 years
Ventev
Business Combination [Line Items]
Consideration transferred to acquire business				$ 73.0
Intangible assets				34.5
Goodwill				$ 40.0
Ventev | Customer Relationships, Tradenames
Business Combination [Line Items]
Weighted average period (in years)				17 years
Nicor, Inc.
Business Combination [Line Items]
Consideration transferred to acquire business			$ 56.0
Intangible assets			18.6
Goodwill			$ 31.4
Nicor, Inc. | Customer Relationships, Tradenames
Business Combination [Line Items]
Weighted average period (in years)			18 years
DMC Power, LLC.
Business Combination [Line Items]
Consideration transferred to acquire business		827.0
Intangible assets		364.0
Goodwill		471.3
DMC Power, LLC. | Customer relationships
Business Combination [Line Items]
Intangible assets		290.0
DMC Power, LLC. | Developed Technology, Tradenames, and Backlog
Business Combination [Line Items]
Intangible assets		$ 74.0
DMC Power, LLC. | Customer Relationships, Developed Technology, Tradenames, and Backlog
Business Combination [Line Items]
Weighted average period (in years)		21 years