Quarterly report pursuant to Section 13 or 15(d)

SHAREHOLDERS' EQUITY Details of Accumulated Other Comprehensive Income (Loss) Components (Details)

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SHAREHOLDERS' EQUITY Details of Accumulated Other Comprehensive Income (Loss) Components (Details) (USD $)
In Millions, unless otherwise specified
 3 Months Ended 9 Months Ended
Sep. 30, 2014
Sep. 30, 2013
Sep. 30, 2014
Sep. 30, 2013
Reclassification Adjustment out of Accumulated Other Comprehensive Income on Derivatives [Line Items]        
Derivative Instruments, (Gain) Loss Reclassified from Accumulated OCI into Income, Effective Portion, Net $ 0.6 $ (16.2) $ (18.8) $ (12.0)
Reclassification from Accumulated Other Comprehensive Income, Current Period, Net of Tax (0.1) 23.4 25.4 37.4
Accumulated Defined Benefit Plans Adjustment [Member]
        
Reclassification Adjustment out of Accumulated Other Comprehensive Income on Derivatives [Line Items]        
Defined Benefit Plan, Amortization of Prior Service Cost (Credit) (0.2) [1] (0.1) [1] (0.7) [1] (0.4) [1]
Defined Benefit Plan, Amortization of Gains (Losses) 4.5 [1] 10.4 [1] 14.0 [1] 31.2 [1]
Defined Benefit Plan, Curtailments 1.7 [1] 0 [1] 2.9 [1] 0 [1]
Other Comprehensive Income (Loss), Reclassification, Pension and Other Postretirement Benefit Plans, Net Gain (Loss) Recognized in Net Periodic Benefit Cost, before Tax 6.0 10.3 16.2 30.8
Other Comprehensive Income (Loss), Pension and Other Postretirement Benefit Plans, Net Unamortized Gain (Loss) Arising During Period, Tax 1.6 (4.0) (1.3) (10.0)
Amounts Reclassified from Accumulated Other Comprehensive Income (Loss) 7.6 6.3 14.9 20.8
Realized Gain (Loss) on Marketable Securities [Member]
        
Reclassification Adjustment out of Accumulated Other Comprehensive Income on Derivatives [Line Items]        
Marketable Securities, Realized Gain (Loss) (9.7) 0.6 (11.4) (0.5)
Accumulated Other-than-Temporary Impairment [Member]
        
Reclassification Adjustment out of Accumulated Other Comprehensive Income on Derivatives [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 (0.3) 0 (0.3) 5.3
Realized Gain (Loss) on Marketable Securities and Other than Temporary Impairment [Member]
        
Reclassification Adjustment out of Accumulated Other Comprehensive Income on Derivatives [Line Items]        
Other Comprehensive Income (Loss), Unrealized Holding Gain (Loss) on Securities and Impairment on Securities Arising During Period, before tax (10.0) 0.6 (11.7) 4.8
Other Comprehensive Income (Loss), Realized Holding Gain (Loss) on Securities and Impairment on Securities Arising During Period, Tax 2.9 0.3 3.4 (0.2)
Other Comprehensive Income (Loss), Realized Holding Gain (Loss) on Securities and Impairment on Securities Arising During Period, net of tax (7.1) 0.9 (8.3) 4.6
Realized Gain Loss On Derivatives [Member]
        
Reclassification Adjustment out of Accumulated Other Comprehensive Income on Derivatives [Line Items]        
(Gain) Loss on Derivative Instruments, Net, Pretax (0.1) 23.7 28.1 17.7
Tax on Derivative Instruments Gain/Loss Reclassified from Accumulated OCI in to Earnings (0.5) (7.5) (9.3) (5.7)
Amount of (gain)/loss recognized in income on derivative (0.6) 16.2 18.8 12.0
Australian Hedge Contracts [Member] | Realized Gain Loss On Derivatives [Member]
        
Reclassification Adjustment out of Accumulated Other Comprehensive Income on Derivatives [Line Items]        
Derivative Instruments, (Gain) Loss Reclassified from Accumulated OCI into Income, Effective Portion, Net (1.6) 12.7 16.7 6.4
Canadian Hedge Contracts [Member] | Realized Gain Loss On Derivatives [Member]
        
Reclassification Adjustment out of Accumulated Other Comprehensive Income on Derivatives [Line Items]        
Derivative Instruments, (Gain) Loss Reclassified from Accumulated OCI into Income, Effective Portion, Net $ 1.5 $ 11.0 $ 11.4 $ 11.3
[1] These accumulated other comprehensive income components are included in the computation of net periodic benefit cost. See NOTE 11 - PENSIONS AND OTHER POSTRETIREMENT BENEFITS for further information.