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Financial Instruments And Fair Value Measurements (Narrative) (Details) - USD ($)
$ in Millions
 3 Months Ended
Mar. 31, 2016
Mar. 31, 2015
Reported Value Measurement [Member] | Continuing Operations [Member]    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Long-lived assets held for sale $ 52.1  
Reported Value Measurement [Member] | Discontinued Operations [Member]    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Long-lived assets held for sale 22.1  
Fair Value, Measurements, Nonrecurring [Member]    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Impairment of long-lived assets held for sale 1.1 $ 0.2
Fair Value, Measurements, Nonrecurring [Member] | Continuing Operations [Member]    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Impairment of Long-Lived Assets Held-for-use 0.0 0.0
Impairment of long-lived assets held for sale 0.9 0.2
Fair Value, Measurements, Nonrecurring [Member] | Discontinued Operations [Member]    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Impairment of long-lived assets held for sale $ 0.2 $ 0.0