XML 67 R33.htm IDEA: XBRL DOCUMENT v2.4.0.8
Goodwill and Other Intangible Assets - Intangible Assets Not Subject to Amortization (Parenthetical) (Detail) (USD $)
In Thousands, unless otherwise specified
Sep. 30, 2013
Dec. 31, 2012
Schedule Of Goodwill And Other Intangible Assets [Line Items]    
Goodwill    $ 60,744
Nonamortizable Goodwill [Member]
    
Schedule Of Goodwill And Other Intangible Assets [Line Items]    
Non reflected portion of goodwill 7,100 3,400
Primus Telecommunications Inc [Member]
    
Schedule Of Goodwill And Other Intangible Assets [Line Items]    
Goodwill 3,700  
International Carrier Services [Member]
    
Schedule Of Goodwill And Other Intangible Assets [Line Items]    
Non reflected portion of goodwill 20,292 19,313
Goodwill $ 3,400 $ 3,400