Acquisition (Schedule of Acquired Intangible Assets) (Details) - USD ($) $ in Thousands		3 Months Ended
	Feb. 11, 2025	Mar. 31, 2025
Lane Supply
Business Acquisition [Line Items]
Finite-lived Intangible Assets Acquired	$ 67,100
Lane Supply | Trademarks
Business Acquisition [Line Items]
Finite-lived Intangible Assets Acquired	$ 6,800
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life	20 years
Lane Supply | Customer relationships
Business Acquisition [Line Items]
Finite-lived Intangible Assets Acquired	$ 55,000
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life	15 years
Lane Supply | Backlog
Business Acquisition [Line Items]
Finite-lived Intangible Assets Acquired	$ 5,300
Two Metal Roofing Businesses
Business Acquisition [Line Items]
Finite-lived Intangible Assets Acquired		$ 15,300
Two Metal Roofing Businesses | Trademarks
Business Acquisition [Line Items]
Finite-lived Intangible Assets Acquired		$ 4,300
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life		5 years
Two Metal Roofing Businesses | Customer relationships
Business Acquisition [Line Items]
Finite-lived Intangible Assets Acquired		$ 11,000
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life		10 years