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BASIS OF PRESENTATION (Details 2) (USD $) In Millions, unless otherwise specified | 3 Months Ended | 9 Months Ended | 3 Months Ended | 9 Months Ended | 3 Months Ended | 9 Months Ended | 3 Months Ended | 9 Months Ended | 3 Months Ended
--- | --- | --- | --- | --- | --- | --- | --- | --- | ---
Sep. 30, 2013 | Sep. 30, 2012 | Sep. 30, 2012 Reclassifications Wireline revenue | Sep. 30, 2012 Reclassifications Wireline revenue | Sep. 30, 2012 Reclassifications Termination and access fees | Sep. 30, 2012 Reclassifications Termination and access fees | Sep. 30, 2012 Reclassifications Engineering and operations expense | Sep. 30, 2012 Reclassifications Engineering and operations expense | Sep. 30, 2012 Reclassifications General and administrative expense | Sep. 30, 2012 Reclassifications General and administrative expense | Sep. 30, 2013 Reclassifications Other Income
BASIS OF PRESENTATION |  |  |  |  |  |  |  |  |  |  |
Effective tax rate (as a percent) | 35.50% | 31.30% |  |  |  |  |  |  |  |  |
Tax benefit related to certain non-recurring tax credits |  | $ 1.3 |  |  |  |  |  |  |  |  |
Reclassifications |  |  |  |  |  |  |  |  |  |  |
Prior period reclassifications |  |  | $ (0.4) | $ (0.8) | $ 0.4 | $ 0.8 | $ 0.8 | $ 2.4 | $ (0.8) | $ (2.4) | $ 0.6

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- Definition Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to nonrecurring tax credits. + References No definition available. + Details
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- Definition A ratio calculated by dividing the reported amount of income tax expense attributable to continuing operations for the period by GAAP-basis pretax income from continuing operations. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 12 -URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32687-109319 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 13 -URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32698-109319 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08.(h)(2)) -URI http://asc.fasb.org/extlink&oid=6881521&loc=d3e23780-122690 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 08 -Paragraph h -Subparagraph 2 -Article 4 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 109 -Paragraph 47 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. + Details
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