Fair Value Disclosure (Financial Assets And Liabilities Measured At Fair Value On A Recurring Basis) (Details) - Fair Value, Measurements, Recurring [Member] - USD ($) $ in Millions	Dec. 31, 2015	Dec. 31, 2014
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivative assets	$ 0.7	$ 4.2
Equity securities	18.0	22.1
Total Assets	18.7	26.3
Derivative liabilities	12.2	7.8
Total liabilities	12.2	7.8
Fair Value, Inputs, Level 1 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivative assets	0.0	0.0
Equity securities	18.0	22.1
Total Assets	18.0	22.1
Derivative liabilities	0.0	0.0
Total liabilities	0.0	0.0
Fair Value, Inputs, Level 2 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivative assets	0.7	4.2
Equity securities	0.0	0.0
Total Assets	0.7	4.2
Derivative liabilities	12.2	7.8
Total liabilities	12.2	7.8
Fair Value, Inputs, Level 3 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivative assets	0.0	0.0
Equity securities	0.0	0.0
Total Assets	0.0	0.0
Derivative liabilities	0.0	0.0
Total liabilities	$ 0.0	$ 0.0