Acquisitions - Narrative (Details) - USD ($) $ in Millions				12 Months Ended
	Jul. 16, 2024	Jul. 10, 2023	May 18, 2023	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023	Sep. 30, 2025	May 01, 2025
Business Acquisition [Line Items]
Goodwill				$ 2,678.0	$ 2,221.8	$ 1,858.1
Net sales				3,893.1	3,006.1	2,668.9
Reportable segment income				616.8	527.1	462.7
Intangible asset amortization				147.1	$ 94.7	$ 69.5
ECM Investors, LLC
Business Acquisition [Line Items]
Payments to acquire businesses			$ 1,100.0
Goodwill				379.7
Identifiable intangible assets				524.0
ECM Investors, LLC | Trade names
Business Acquisition [Line Items]
Identifiable intangible assets			113.7
TEXA Industries
Business Acquisition [Line Items]
Payments to acquire businesses		$ 34.8
Goodwill		10.9
Debt acquired		5.2
Trachte, LLC
Business Acquisition [Line Items]
Payments to acquire businesses	$ 687.5
Goodwill				368.9
Identifiable intangible assets				331.5
Trachte, LLC | Trade names
Business Acquisition [Line Items]
Identifiable intangible assets	55.4
Electrical Products Group
Business Acquisition [Line Items]
Goodwill				439.3			$ 440.9
Identifiable intangible assets				433.8			$ 433.8
Business Combination, Pro Forma Information, Revenue of Acquiree since Acquisition Date, Actual				331.7
Business Combination, Pro Forma Information, Earnings or Loss of Acquiree since Acquisition Date, Actual				35.6
Business Combination, Pro Forma Information, Intangible Asset Amortization Expense Of Acquiree Since Acquisition Date, Actual				$ 34.1
Customer relationships | ECM Investors, LLC
Business Acquisition [Line Items]
Identifiable intangible assets			$ 381.7
Intangibles useful life			20 years
Customer relationships | TEXA Industries
Business Acquisition [Line Items]
Identifiable intangible assets		$ 12.4
Intangibles useful life		13 years
Customer relationships | Trachte, LLC
Business Acquisition [Line Items]
Identifiable intangible assets	$ 206.6
Intangibles useful life	17 years
Customer relationships | Electrical Products Group
Business Acquisition [Line Items]
Identifiable intangible assets								$ 325.2
Customer relationships | Electrical Products Group | Minimum
Business Acquisition [Line Items]
Intangibles useful life								16 years
Customer relationships | Electrical Products Group | Maximum
Business Acquisition [Line Items]
Intangibles useful life								20 years
Technology-Based Intangible Assets | ECM Investors, LLC
Business Acquisition [Line Items]
Identifiable intangible assets			$ 22.0
Intangibles useful life			7 years
Technology-Based Intangible Assets | Trachte, LLC
Business Acquisition [Line Items]
Identifiable intangible assets	$ 23.8
Intangibles useful life	8 years
Technology-Based Intangible Assets | Electrical Products Group
Business Acquisition [Line Items]
Identifiable intangible assets								$ 32.8
Intangibles useful life								8 years
Customer Backlog | Trachte, LLC
Business Acquisition [Line Items]
Identifiable intangible assets	$ 45.7
Intangibles useful life	2 years
Customer Backlog | Electrical Products Group
Business Acquisition [Line Items]
Identifiable intangible assets								$ 75.8
Intangibles useful life								3 years