Fair Value Disclosure (Financial Assets And Liabilities Measured At Fair Value On A Recurring Basis) (Details) (Fair Value, Measurements, Recurring [Member], USD $) In Millions, unless otherwise specified	Dec. 31, 2014	Dec. 31, 2013
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivative assets	$ 5.4	$ 7.2
Equity securities	22.1	22.2
Total Assets	27.5	29.4
Derivative liabilities	8.1	9.3
Total liabilities	8.1	9.3
Fair Value, Inputs, Level 1 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivative assets	0	0
Equity securities	22.1	22.2
Total Assets	22.1	22.2
Derivative liabilities	0	0
Total liabilities	0	0
Fair Value, Inputs, Level 2 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivative assets	5.4	7.2
Equity securities	0	0
Total Assets	5.4	7.2
Derivative liabilities	8.1	9.3
Total liabilities	8.1	9.3
Fair Value, Inputs, Level 3 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivative assets	0	0
Equity securities	0	0
Total Assets	0	0
Derivative liabilities	0	0
Total liabilities	$ 0	$ 0