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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
Jan. 01, 2018
Dec. 31, 2017
Inventory, Net [Abstract] Ìý Ìý Ìý
Total Inventories $ 87.9 $ 87.0 $ 138.4
Mining and Pelletizing [Member] Ìý Ìý Ìý
Inventory, Net [Abstract] Ìý Ìý Ìý
Finished Goods 77.8 Ìý 127.1
Work-in-Process $ 10.1 Ìý $ 11.3