v3.8.0.1
Goodwill and Intangible Assets - Intangible Assets (Details) - USD ($)
$ in Thousands
Mar. 31, 2018
Dec. 31, 2017
Finite-Lived Intangible Assets [Line Items]    
Intangible assets, net $ 1,917,093 $ 1,923,088
Trademarks and Trade Names    
Indefinite-lived Intangible Assets [Line Items]    
Intangible assets with indefinite lives (Trademarks and Trade Names) 1,408,848 1,408,848
Customer Relationships    
Finite-Lived Intangible Assets [Line Items]    
Intangible assets with definite lives (Customer Relationships) 542,011 542,011
Less accumulated amortization (Customer Relationships) $ (33,766) $ (27,771)