Quarterly report pursuant to Section 13 or 15(d)

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

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9 Months Ended 12 Months Ended
Sep. 30, 2017
Dec. 31, 2016
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Loans to and accounts receivable from the Canadian Entities $ 51.9 $ 48.6
Fair Value, Asset, Measured on a Nonrecurring Basis, Gain (Loss) Included in Earnings 3.3 (17.5)
Contingent Liabilities recognized in Consolidated Financials 0.0 37.2
Fair Value, Measurement with Unobservable Inputs betfred reviewsReconciliation, Recurring Basis, Liability, Gain (Loss) Included in Earnings   0.4
Fair Value, Inputs, Level 3 [Member]    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Loans to and accounts receivable from the Canadian Entities   $ 48.6
Contingent Liabilities recognized in Consolidated Financials $ 0.0