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Inventories	6 Months Ended
Inventories	Jun. 30, 2019
Inventories [Abstract]
Inventories	5. Inventories At June 30, 2019, and December 31, 2018, inventories included finished and in-process products totaling $312.6 million and $320.4 million, respectively, and raw materials and supplies of $149.5 million and $170.4 million, respectively.