Quarterly report pursuant to Section 13 or 15(d)

Software Impairment (Details)

v3.4.0.3
Software Impairment (Details) - USD ($)
3 Months Ended
Mar. 31, 2016
Mar. 31, 2015
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]    
Software impairment charge $ 0 $ 26,417,000
Wireless, Internet, Video, Local Service, and Long Distance Customer Billing Systems [Member]    
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]    
Fair Value of Capital Expenditures   0
Software impairment charge   19,800,000
Internally Developed Machine-To-Machine Billing System [Member]    
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]    
Software impairment charge   $ 6,600,000