Quarterly report pursuant to Section 13 or 15(d)

Subsequent Events (Details)

v3.5.0.2
Subsequent Events (Details) - USD ($)
$ in Thousands, shares in Millions
 5 Months Ended 6 Months Ended
Jul. 27, 2016
Sep. 30, 2016
Jun. 30, 2016
Jun. 30, 2015
Subsequent Event [Line Items]        
Business acquisition, cash payment     $ 4,400 $ 0
Subsequent event | Emerging Markets Communications LLC        
Subsequent Event [Line Items]        
Business acquisition, cash payment $ 30,000      
Business acquisition, EMC's indebtedness assumed   $ 386,000    
Business acquisition, deferred compensation to be paid   $ 25,000    
Common stock | Subsequent event | Emerging Markets Communications LLC        
Subsequent Event [Line Items]        
Business acquisition, common stock issued (in shares)   5.5    
Preferred Stock | Subsequent event | Emerging Markets Communications LLC        
Subsequent Event [Line Items]        
Business acquisition, preferred stock redeemed (in shares)   $ 55,000