Annual report pursuant to Section 13 and 15(d)

Inventories - Schedule of Inventories (Details)

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Inventories - Schedule of Inventories (Details) - USD ($)
$ in Millions
Dec. 31, 2018
Dec. 31, 2017
Inventory Disclosure [Abstract]    
Finished goods $ 110.5 $ 91.5
Goods in process 5.7 5.4
Raw materials and supplies 23.3 20.1
Total 139.5 117.0
Inventories valued on FIFO or other basis 113.3 91.2
Inventories valued on a LIFO basis $ 26.2 $ 25.8