v2.4.0.8
Composition of Certain Balance Sheet Accounts - Accrued Liabilities (Detail) (USD $)
In Thousands, unless otherwise specified
Dec. 31, 2013
Dec. 31, 2012
Accrued Liabilities, Current [Abstract]    
Employee benefits $ 17,320 $ 11,212
Airborne equipment and installation costs 4,981 12,209
Airfone acquisition related liabilities 4,791  
Other 22,054 16,270
Total accrued liabilities $ 49,146 $ 39,691