Quarterly report pursuant to Section 13 or 15(d)

Goodwill (Details)

v3.8.0.1
Goodwill (Details) - USD ($)
$ in Thousands
 3 Months Ended 6 Months Ended 12 Months Ended
Jun. 30, 2017
Mar. 31, 2017
Jun. 30, 2016
Jun. 30, 2017
Jun. 30, 2016
Dec. 31, 2016
Goodwill [Roll Forward]            
Gross beginning balance   $ 391,836   $ 391,836    
Accumulated impairment loss beginning balance   (64,000)   (64,000)    
Beginning balance   327,836   327,836    
Impairment loss $ 0   $ 0 (78,000) $ 0  
Working capital adjustment settlement       1,250    
Foreign currency translation adjustments       58    
Gross ending balance 390,644     390,644   $ 391,836
Accumulated impairment loss ending balance (142,000)     (142,000)   (64,000)
Ending balance 248,644     248,644   327,836
Aviation Connectivity            
Goodwill [Roll Forward]            
Gross beginning balance   98,037   98,037    
Accumulated impairment loss beginning balance   0   0    
Beginning balance   98,037   98,037    
Impairment loss       0    
Working capital adjustment settlement       0    
Foreign currency translation adjustments       0    
Gross ending balance 98,037     98,037   98,037
Accumulated impairment loss ending balance 0     0   0
Ending balance 98,037     98,037   98,037
Maritime & Land Connectivity            
Goodwill [Roll Forward]            
Gross beginning balance   210,380   210,380    
Accumulated impairment loss beginning balance   (64,000)   (64,000)    
Beginning balance   146,380   146,380    
Impairment loss   (78,000)   (78,000)   (64,000)
Working capital adjustment settlement       1,250    
Foreign currency translation adjustments       0    
Gross ending balance 209,130     209,130   210,380
Accumulated impairment loss ending balance (142,000)     (142,000)   (64,000)
Ending balance 67,130     67,130   146,380
Media & Content            
Goodwill [Roll Forward]            
Gross beginning balance   83,419   83,419    
Accumulated impairment loss beginning balance   0   0    
Beginning balance   $ 83,419   83,419    
Impairment loss       0    
Working capital adjustment settlement       0    
Foreign currency translation adjustments       58    
Gross ending balance 83,477     83,477   83,419
Accumulated impairment loss ending balance 0     0   0
Ending balance $ 83,477     $ 83,477   $ 83,419