Fair Value Measurements (Financial Assets And Liabilities Carried At Fair Value) (Details) (USD $) In Millions, unless otherwise specified	Dec. 31, 2013	Dec. 31, 2012
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Available-for-sale securities, assets	$ 385.2	$ 329.5
Currency swap agreement, assets	0.1
Deferred compensation plans, liabilities	70.1	64.5
Currency swap agreement, liabilities		24.9
Quoted Prices in Active Market (Level 1)
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Available-for-sale securities, assets	385.2	329.5
Significant Other Observable Inputs (Level 2)
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Currency swap agreement, assets	0.1
Deferred compensation plans, liabilities	70.1	64.5
Currency swap agreement, liabilities		$ 24.9