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Financial Instruments And Fair Value Measurements (Nonfinancial Assets Measured on a Nonrecurring Basis) (Details) - Fair Value, Measurements, Nonrecurring [Member] - USD ($)
$ in Millions
 3 Months Ended 6 Months Ended
Jun. 30, 2016
Jun. 30, 2015
Jun. 30, 2016
Jun. 30, 2015
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]        
Gain/(Loss) on assets held for sale     $ (6.0) $ (0.2)
Fair Value, Inputs, Level 3 [Member]        
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]        
Long-lived assets held for sale $ 24.6 $ 6.2 24.6 6.2
Continuing Operations [Member]        
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]        
Gain/(Loss) on assets held and used (1.8) (2.3) (1.8) (2.3)
Gain/(Loss) on assets held for sale (4.9) 0.0 (5.8) (0.2)
Continuing Operations [Member] | Fair Value, Inputs, Level 3 [Member]        
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]        
Long-lived assets held and used 4.2 15.1 4.2 15.1
Long-lived assets held for sale 11.4 6.2 11.4 6.2
Discontinued Operations [Member]        
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]        
Gain/(Loss) on assets held for sale 0.0 0.0 (0.2) 0.0
Discontinued Operations [Member] | Fair Value, Inputs, Level 3 [Member]        
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]        
Long-lived assets held for sale $ 13.2 $ 0.0 $ 13.2 $ 0.0