XML 74 R62.htm IDEA: XBRL DOCUMENT v3.8.0.1
Goodwill and Other Intangible Assets - Goodwill and Intangible Assets (Details) - USD ($)
$ in Millions
Mar. 31, 2018
Dec. 31, 2017
Mar. 31, 2017
Dec. 31, 2016
Acquired Finite-Lived Intangible Assets [Line Items]        
Goodwill $ 25.9 $ 25.9 $ 25.9 $ 25.9
Goodwill and other intangible assets 59.2 62.1 42.9 45.2
MediaAlpha        
Acquired Finite-Lived Intangible Assets [Line Items]        
Goodwill 18.3 18.3    
Other        
Acquired Finite-Lived Intangible Assets [Line Items]        
Goodwill 7.6 7.6    
Other Intangible Assets        
Acquired Finite-Lived Intangible Assets [Line Items]        
Intangible Assets, Net (Excluding Goodwill) 33.3 36.2 $ 17.0 $ 19.3
Other Intangible Assets | MediaAlpha        
Acquired Finite-Lived Intangible Assets [Line Items]        
Intangible Assets, Net (Excluding Goodwill) 32.5 35.4    
Other Intangible Assets | Other        
Acquired Finite-Lived Intangible Assets [Line Items]        
Intangible Assets, Net (Excluding Goodwill) 0.8 0.8    
Non-controlling interest        
Acquired Finite-Lived Intangible Assets [Line Items]        
Goodwill and other intangible assets (21.1) (21.1)    
Total        
Acquired Finite-Lived Intangible Assets [Line Items]        
Goodwill and other intangible assets $ 38.1 $ 41.0