Employee Benefits (Other Plans) (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Discount rate, benefit obligations	5.23%	4.28%
Equity based compensation expense	$ 5.8	$ 3.8	$ 15.5
Management [Member]
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Equity based compensation expense	5.8	3.8	0.6
Performance Incentive Awards [Member]
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Performance and sales incentive expense	$ 14.5	$ 12.3	$ 13.9