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Restructuring and Unusual Charges (Details) (USD $)
In Millions, unless otherwise specified
3 Months Ended 12 Months Ended
Sep. 30, 2011
Dec. 31, 2013
Dec. 31, 2012
Dec. 31, 2011
Restructuring and Unusual Charges (Textual) [Abstract]        
Restructuring and asset impairment charges $ 5.4 $ 0 [1] $ 0 [1] $ 5.4 [1]
[1] Adjusted to reflect the discontinued operations.