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Inventories
6 Months Ended
Jun. 30, 2021
Inventories [Abstract]  
Inventories
5.
Inventories

At June 30, 2021, and December 31, 2020, inventories included finished and in-process products totaling $250.4 million and $268.1 million, respectively, and raw materials and supplies of $109.8 million and $113.2 million, respectively.