Quarterly report pursuant to Section 13 or 15(d)

Inventories (Details)

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Inventories (Details) - USD ($)
$ in Millions
Jun. 30, 2018
Dec. 31, 2017
Inventory Disclosure [Abstract]    
Finished goods $ 149.8 $ 145.3
Goods in process 12.1 14.2
Raw materials and supplies 84.2 76.5
Total $ 246.1 $ 236.0