Annual report pursuant to Section 13 and 15(d)

ACCUMULATED OTHER COMPREHENSIVE INCOME (LOSS) Details of Accumulated Other Comprehensive Income (Loss) Components (Details)

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ACCUMULATED OTHER COMPREHENSIVE INCOME (LOSS) Details of Accumulated Other Comprehensive Income (Loss) Components (Details) (USD $)
In Millions, unless otherwise specified
 12 Months Ended
Dec. 31, 2013
Dec. 31, 2012
Dec. 31, 2011
Details of Accumulated Other Comprehensive Income (Loss) Components [Line Items]      
Derivative Instruments, (Gain) Loss Reclassified from Accumulated OCI into Income, Effective Portion, Net $ (22.1) $ 18.1 $ 3.3
Unrealized net gain (loss) on derivative financial instruments, net of tax (51.7) 25.6 1.8
Total Amount Reclassified from Accumulated Other Comprehensive Income (Loss) During the Period 53.6    
Accumulated Defined Benefit Plans Adjustment [Member]
      
Details of Accumulated Other Comprehensive Income (Loss) Components [Line Items]      
Defined Benefit Plan, Amortization of Prior Service Cost (Credit) (0.6) [1]    
Defined Benefit Plan, Amortization of Gains (Losses) 41.4 [1]    
Other Comprehensive Income (Loss), Reclassification, Pension and Other Postretirement Benefit Plans, Net Gain (Loss) Recognized in Net Periodic Benefit Cost, before Tax 40.8    
Other Comprehensive Income (Loss), Pension and Other Postretirement Benefit Plans, Net Unamortized Gain (Loss) Arising During Period, Tax (14.3)    
Amounts Reclassified from Accumulated Other Comprehensive Income (Loss) 26.5    
Unrealized Gain (Loss) on Marketable Securities [Member] [Member]
      
Details of Accumulated Other Comprehensive Income (Loss) Components [Line Items]      
Marketable Securities, Unrealized Gain (Loss) (0.2)    
Accumulated Other-than-Temporary Impairment [Member]
      
Details of Accumulated Other Comprehensive Income (Loss) Components [Line Items]      
Other than Temporary Impairment Losses, Investments, Portion in Other Comprehensive Loss, before Tax, Including Portion Attributable to Noncontrolling Interest, Available-for-sale Securities 5.3    
Unrealized Gain (Loss) on Marketable Securities and Other than Temporary Impairment [Member] [Member]
      
Details of Accumulated Other Comprehensive Income (Loss) Components [Line Items]      
Other Comprehensive Income (Loss), Unrealized Holding Gain (Loss) on Securities Arising During Period, before Tax 5.1    
Other Comprehensive Income (Loss), Unrealized Holding Gain (Loss) on Securities Arising During Period, Tax (0.1)    
Other Comprehensive Income (Loss), Unrealized Holding Gain (Loss) on Securities Arising During Period, Net of Tax 5.0    
Unrealized Gain Loss On Derivatives [Member]
      
Details of Accumulated Other Comprehensive Income (Loss) Components [Line Items]      
Other Comprehensive Income (Loss), Unrealized Gain (Loss) on Derivatives Arising During Period, before Tax 32.3    
Other Comprehensive Income (Loss), Unrealized Gain (Loss) on Derivatives Arising During Period, Tax (10.2)    
Unrealized net gain (loss) on derivative financial instruments, net of tax 22.1    
Unrealized Gain Loss On Derivatives [Member] | Australian Hedge Contracts [Member]
      
Details of Accumulated Other Comprehensive Income (Loss) Components [Line Items]      
Derivative Instruments, (Gain) Loss Reclassified from Accumulated OCI into Income, Effective Portion, Net 17.0    
Unrealized Gain Loss On Derivatives [Member] | Canadian Hedge Contracts [Member]
      
Details of Accumulated Other Comprehensive Income (Loss) Components [Line Items]      
Derivative Instruments, (Gain) Loss Reclassified from Accumulated OCI into Income, Effective Portion, Net $ 15.3    
[1] hese accumulated other comprehensive income components are included in the net periodic benefit cost recognized for the year ended December 31, 2013. See NOTE 13 - PENSIONS AND OTHER POSTRETIREMENT BENEFITS for further information.