Quarterly report pursuant to Section 13 or 15(d)

Segments (Reportable segment revenues) (Details)

v3.5.0.2
Segments (Reportable segment revenues) (Details) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Jun. 30, 2016
Jun. 30, 2015
Jun. 30, 2016
Jun. 30, 2015
Segment Reporting Information [Line Items]        
Revenues $ 233,766 $ 247,528 $ 464,864 $ 478,617
Adjusted EBITDA 79,040 88,001 157,146 163,304
Operating Segments [Member]        
Segment Reporting Information [Line Items]        
Revenues 233,766 247,528 464,864 478,617
Adjusted EBITDA 79,040 88,001 157,146 163,304
Operating Segments [Member] | Wireless [Member]        
Segment Reporting Information [Line Items]        
Revenues 53,875 67,940 105,337 127,144
Adjusted EBITDA 40,334 45,727 80,398 83,114
Operating Segments [Member] | Wireline [Member]        
Segment Reporting Information [Line Items]        
Revenues 179,891 179,588 359,527 351,473
Adjusted EBITDA $ 38,706 $ 42,274 $ 76,748 $ 80,190