Quarterly report pursuant to Section 13 or 15(d)

Goodwill (Details)

v3.8.0.1
Goodwill (Details) - USD ($)
$ in Thousands
 3 Months Ended 12 Months Ended
Mar. 31, 2017
Mar. 31, 2016
Dec. 31, 2016
Goodwill [Roll Forward]      
Gross beginning balance $ 391,836    
Accumulated impairment loss beginning balance (64,000)    
Net beginning balance 327,836    
Impairment loss (78,000) $ 0  
Foreign currency translation adjustments 27    
Gross ending balance 391,863   $ 391,836
Accumulated impairment loss ending balance (142,000)   (64,000)
Net ending balance 249,863   327,836
Former Aviation Connectivity Segment      
Goodwill [Roll Forward]      
Gross beginning balance 98,037    
Accumulated impairment loss beginning balance 0    
Net beginning balance 98,037    
Impairment loss 0    
Foreign currency translation adjustments 0    
Gross ending balance 98,037   98,037
Accumulated impairment loss ending balance 0   0
Net ending balance 98,037   98,037
Former Maritime & Land Connectivity Segment      
Goodwill [Roll Forward]      
Gross beginning balance 210,380    
Accumulated impairment loss beginning balance (64,000)    
Net beginning balance 146,380    
Impairment loss (78,000)   (64,000)
Foreign currency translation adjustments 0    
Gross ending balance 210,380   210,380
Accumulated impairment loss ending balance (142,000)   (64,000)
Net ending balance 68,380   146,380
Media & Content      
Goodwill [Roll Forward]      
Gross beginning balance 83,419    
Accumulated impairment loss beginning balance 0    
Net beginning balance 83,419    
Impairment loss 0    
Foreign currency translation adjustments 27    
Gross ending balance 83,446   83,419
Accumulated impairment loss ending balance 0   0
Net ending balance $ 83,446   $ 83,419