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Redeemable Noncontrolling Interest (Details) - USD ($)
$ in Millions
6 Months Ended
Jun. 30, 2015
Dec. 31, 2014
Feb. 07, 2014
Redeemable Noncontrolling Interest [Line Items]      
Redeemable noncontrolling interest $ 0.0    
Redeemable noncontrolling interest 12.1 $ 12.1  
Dynamic Flowform [Member]      
Redeemable Noncontrolling Interest [Line Items]      
Noncontrolling Interest, Ownership Percentage by Noncontrolling Owners     15.00%
[RetainedEarningsMember]      
Redeemable Noncontrolling Interest [Line Items]      
Redeemable noncontrolling interest $ (0.1)