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Income Tax Matters, Provision Table (Details) (USD $)
In Millions, unless otherwise specified
3 Months Ended 9 Months Ended
Sep. 30, 2014
Sep. 30, 2013
Sep. 30, 2014
Sep. 30, 2013
Tax Provision        
Domestic $ 9.2 $ 14.7 $ 32.2 $ 41.1
Foreign 0 (4.4) 0.9 (10.9)
Total $ 9.2 $ 10.3 $ 33.1 $ 30.2