Quarterly report pursuant to Section 13 or 15(d)

Business Combinations - Narrative (Details)

v3.8.0.1
Business Combinations - Narrative (Details) - USD ($)
$ in Thousands
3 Months Ended
Jul. 27, 2016
Mar. 31, 2016
Wireless Maritime Services    
Business Acquisition [Line Items]    
Equity method investment, ownership percentage 49.00%  
Emerging Markets Communications LLC    
Business Acquisition [Line Items]    
Consideration transferred $ 166,289  
Cash consideration paid 100,454  
Deferred compensation to be paid 25,000  
Settlement of pre-existing relationship 228  
Goodwill, tax deductible amount $ 74,900  
Business Combination, Acquisition Related Costs   $ 800
Emerging Markets Communications LLC | Common Stock    
Business Acquisition [Line Items]    
Common stock issued for acquisition (in shares) 5,466,886