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Segments (Reportable segment revenues) (Details) (USD $)
In Thousands, unless otherwise specified |
3 Months Ended | |
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Mar. 31, 2015
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Mar. 31, 2014
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| Segment Reporting Information [Line Items] | ||
| Revenues | $ 231,089us-gaap_SalesRevenueNet | $ 216,283us-gaap_SalesRevenueNet |
| Adjusted EBITDA | 75,303gncma_IncomeLossfromContinuingOperationsbeforeEquityMethodInvestmentsIncomeTaxesAdjusted | 74,797gncma_IncomeLossfromContinuingOperationsbeforeEquityMethodInvestmentsIncomeTaxesAdjusted |
| Wireless [Member] | ||
| Segment Reporting Information [Line Items] | ||
| Revenues |
59,204us-gaap_SalesRevenueNet / us-gaap_StatementBusinessSegmentsAxis = gncma_WirelessSegmentMember |
62,517us-gaap_SalesRevenueNet / us-gaap_StatementBusinessSegmentsAxis = gncma_WirelessSegmentMember |
| Adjusted EBITDA |
37,387gncma_IncomeLossfromContinuingOperationsbeforeEquityMethodInvestmentsIncomeTaxesAdjusted / us-gaap_StatementBusinessSegmentsAxis = gncma_WirelessSegmentMember |
38,022gncma_IncomeLossfromContinuingOperationsbeforeEquityMethodInvestmentsIncomeTaxesAdjusted / us-gaap_StatementBusinessSegmentsAxis = gncma_WirelessSegmentMember |
| Wireline [Member] | ||
| Segment Reporting Information [Line Items] | ||
| Revenues |
171,885us-gaap_SalesRevenueNet / us-gaap_StatementBusinessSegmentsAxis = gncma_WirelineSegmentMember |
153,766us-gaap_SalesRevenueNet / us-gaap_StatementBusinessSegmentsAxis = gncma_WirelineSegmentMember |
| Adjusted EBITDA |
$ 37,916gncma_IncomeLossfromContinuingOperationsbeforeEquityMethodInvestmentsIncomeTaxesAdjusted / us-gaap_StatementBusinessSegmentsAxis = gncma_WirelineSegmentMember |
$ 36,775gncma_IncomeLossfromContinuingOperationsbeforeEquityMethodInvestmentsIncomeTaxesAdjusted / us-gaap_StatementBusinessSegmentsAxis = gncma_WirelineSegmentMember |
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- Definition
This element represents Company's specificly defined non-GAAP measure - the income or loss from continuing operations attributable to the economic entity which may also be defined as revenue less expenses from ongoing operations, after income or loss from equity method investments, but before income taxes, extraordinary items, accretion expense, non-cash contribution expense and noncontrolling interest. No definition available.
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- Definition
Total revenue from sale of goods and services rendered during the reporting period, in the normal course of business, reduced by sales returns and allowances, and sales discounts. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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