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Goodwill
3 Months Ended
Mar. 31, 2020
Goodwill and Intangible Assets Disclosure [Abstract]  
Goodwill Goodwill
Goodwill by segment is as follows:
March 31,
2020
December 31,
2019
 (in millions)
Construction Products Group$294.1  $166.2  
Energy Equipment Group419.8  416.9  
Transportation Products Group38.8  38.8  
$752.7  $621.9  
The increase in the Construction Products Group goodwill during the three months ended March 31, 2020 is primarily due to the acquisition of Cherry. The increase in the Energy Equipment Group goodwill during the three months ended March 31, 2020 is due to an acquisition. See Note 2 Acquisitions and Divestitures.