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Employee Benefit Plans (Expected Benefit Payments) (Details) (USD $)
In Millions, unless otherwise specified
Dec. 31, 2012
Defined Benefit Pension Plans and Defined Benefit Postretirement Plans Disclosure [Abstract]  
2013 $ 17.6
2014 5.8
2015 5.9
2016 6.5
2017 7.3
5 years thereafter 70.6
Total $ 113.7