Annual report pursuant to Section 13 and 15(d)

Inventories - Schedule of Inventories (Details)

v3.8.0.1
Inventories - Schedule of Inventories (Details) - USD ($)
$ in Millions
Dec. 31, 2017
Dec. 31, 2016
Inventory Disclosure [Abstract]    
Finished goods $ 145.3 $ 159.9
Goods in process 14.2 18.1
Raw materials and supplies 76.5 94.1
Total 236.0 272.1
Inventories valued on a FIFO basis 144.8 163.8
Inventories valued on a LIFO basis $ 91.2 $ 108.3