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Segment Information
3 Months Ended
Mar. 31, 2020
Segment Reporting [Abstract]  
Segment Information Segment Information
The Company reports operating results in three principal business segments:
Construction Products. The Construction Products segment produces and sells construction aggregates and manufactures and sells trench shields and shoring products and services for infrastructure-related projects.
Energy Equipment. The Energy Equipment segment manufactures and sells products for energy-related businesses, including structural wind towers, steel utility structures for electricity transmission and distribution, traffic structures, and storage and distribution tanks.
Transportation Products. The Transportation Products segment manufactures and sells products for the inland waterway and rail transportation industries including barges, barge-related products, axles, and couplers.
The financial information for these segments is shown in the tables below. We operate principally in North America.
 Three Months Ended March 31,
RevenuesOperating Profit (Loss)
 2020201920202019
 (in millions)
Construction aggregates$132.1  $88.4  
Other17.3  17.6  
Construction Products Group149.4  106.0  $16.8  $11.3  
Wind towers and utility structures176.4  158.6  
Other46.8  50.5  
Energy Equipment Group223.2  209.1  24.9  28.2  
Inland barges89.0  49.4  
Steel components28.0  48.1  
Transportation Products Group117.0  97.5  14.3  8.3  
Segment Totals before Eliminations and Corporate
489.6  412.6  56.0  47.8  
Corporate—  —  (10.9) (10.5) 
Eliminations(1.4) (1.7) —  —  
Consolidated Total$488.2  $410.9  $45.1  $37.3