ÐÇ¿Õ´«Ã½

Quarterly report pursuant to Section 13 or 15(d)

GOODWILL AND INTANGIBLE ASSETS AND LIABILITIES (Intangible Assets and Liabilities) (Details)

v3.20.1
GOODWILL AND INTANGIBLE ASSETS AND LIABILITIES (Intangible Assets and Liabilities) (Details) - USD ($)
$ in Millions
Mar. 31, 2020
Dec. 31, 2019
Finite-Lived Intangible Assets [Line Items] Ìý Ìý
Finite-Lived Intangible Assets, Gross $ 235.2 Ìý
Finite-Lived Intangible Assets, Accumulated Amortization (25.2) Ìý
Finite-Lived Intangible Assets, Net 210.0 Ìý
Finite-Lived Intangible Liability, Gross (140.0) Ìý
Finite-Lived Intangible Liability, Accumulated Amortization 2.1 Ìý
Finite-Lived Intangible Liability, Net (137.9) Ìý
Customer Relationships [Member] Ìý Ìý
Finite-Lived Intangible Assets [Line Items] Ìý Ìý
Finite-Lived Intangible Assets, Gross 91.0 Ìý
Finite-Lived Intangible Assets, Accumulated Amortization (0.5) Ìý
Finite-Lived Intangible Assets, Net 90.5 Ìý
Technology-Based Intangible Assets [Member] Ìý Ìý
Finite-Lived Intangible Assets [Line Items] Ìý Ìý
Finite-Lived Intangible Assets, Gross 61.0 Ìý
Finite-Lived Intangible Assets, Accumulated Amortization (0.3) Ìý
Finite-Lived Intangible Assets, Net 60.7 Ìý
Trademarks and Trade Names [Member] Ìý Ìý
Finite-Lived Intangible Assets [Line Items] Ìý Ìý
Finite-Lived Intangible Assets, Gross 11.0 Ìý
Finite-Lived Intangible Assets, Accumulated Amortization (0.1) Ìý
Finite-Lived Intangible Assets, Net 10.9 Ìý
Mining Permits [Member] Ìý Ìý
Finite-Lived Intangible Assets [Line Items] Ìý Ìý
Finite-Lived Intangible Assets, Gross 72.2 $ 72.2
Finite-Lived Intangible Assets, Accumulated Amortization (24.3) (24.1)
Finite-Lived Intangible Assets, Net $ 47.9 $ 48.1