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Business Acquisition (Tables)
 6 Months Ended
Jun. 30, 2014
Business Acquisitions [Abstract]  
ScheduleOfBusinessAcquisitionsByAcquisitionTextBlock
 Tangible assets acquired$ 58.7 
 Intangible assets  56.0 
 Goodwill  69.9 
 Net deferred tax liabilities  (17.8) 
 Other liabilities assumed  (19.5) 
  Total cash consideration, net$ 147.3