ÐÇ¿Õ´«Ã½

Quarterly report pursuant to Section 13 or 15(d)

FAIR VALUE MEASUREMENTS (Fair Value Measurements, Nonrecurring) (Details)

v3.8.0.1
FAIR VALUE MEASUREMENTS (Fair Value Measurements, Nonrecurring) (Details) - USD ($)
$ in Millions
3 Months Ended 12 Months Ended
Mar. 31, 2018
Mar. 31, 2017
Dec. 31, 2017
Jan. 01, 2018
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] Ìý Ìý Ìý Ìý
Loans to and accounts receivable from the Canadian Entities $ 50.4 Ìý $ 51.6 $ 51.6
Fair Value, Asset, Measured on a Nonrecurring Basis, Gain (Loss) Included in Earnings (1.2) Ìý 3.0 Ìý
Impairment Charges, CIP (2.6) Ìý Ìý Ìý
Contingent Liabilities recognized in Consolidated Financials Ìý Ìý 0.0 Ìý
INCOME FROM DISCONTINUED OPERATIONS, NET OF TAX $ 0.5 $ 0.5 Ìý Ìý
Fair Value, Inputs, Level 3 [Member] Ìý Ìý Ìý Ìý
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] Ìý Ìý Ìý Ìý
Contingent Liabilities recognized in Consolidated Financials Ìý Ìý 0.0 Ìý
Wabush Scully Mine Sale [Member] Ìý Ìý Ìý Ìý
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] Ìý Ìý Ìý Ìý
INCOME FROM DISCONTINUED OPERATIONS, NET OF TAX Ìý Ìý $ 31.4 Ìý