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Segment Information
 9 Months Ended
Sep. 30, 2023
Segment Reporting [Abstract]  
Segment Information Segment Information
The Company reports operating results in three principal business segments:
Construction Products. The Construction Products segment primarily produces and sells natural and recycled aggregates, specialty materials, and construction site support equipment, including trench shields and shoring products.
Engineered Structures. The Engineered Structures segment primarily manufactures and sells steel structures for infrastructure businesses, including utility structures for electricity transmission and distribution, structural wind towers, traffic structures, and telecommunication structures. These products share similar manufacturing competencies and steel sourcing requirements and can be manufactured across our North American footprint. The segment also manufactures concrete utility structures. Historically, the segment manufactured storage and distribution tanks. In October 2022, the Company completed the divestiture of its storage tanks business. See Note 2 Acquisitions and Divestitures.
Transportation Products. The Transportation Products segment primarily manufactures and sells inland barges, fiberglass barge covers, winches, marine hardware, and steel components for railcars and other transportation and industrial equipment.
The financial information for these segments is shown in the tables below. We operate principally in North America.
Three Months Ended September 30,
RevenuesOperating Profit (Loss)
 2023202220232022
 (in millions)
Aggregates and specialty materials$227.8 $216.8 
Construction site support34.3 27.4 
Construction Products262.1 244.2 $30.3 $27.6 
Utility, wind, and related structures222.5 211.2 
Storage tanks— 65.8 
Engineered Structures222.5 277.0 18.7 37.1 
Inland barges67.3 50.9 
Steel components39.8 31.8 
Transportation Products107.1 82.7 14.1 1.0 
Segment Totals 591.7 603.9 63.1 65.7 
Corporate— — (14.7)(16.7)
Consolidated Total$591.7 $603.9 $48.4 $49.0 
 Nine Months Ended September 30,
RevenuesOperating Profit (Loss)
 2023202220232022
 (in millions)
Aggregates and specialty materials$665.9 $620.9 
Construction site support97.1 80.7 
Construction Products763.0 701.6 $114.2 $72.4 
Utility, wind, and related structures637.2 608.5 
Storage tanks— 187.6 
Engineered Structures637.2 796.1 70.3 106.9 
Inland barges207.9 151.7 
Steel components117.6 93.1 
Transportation Products325.5 244.8 35.8 7.2 
Segment Totals1,725.7 1,742.5 220.3 186.5 
Corporate— — (45.8)(45.6)
Consolidated Total$1,725.7 $1,742.5 $174.5 $140.9