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FIXED ASSETS (Details 2) (USD $) In Thousands, unless otherwise specified | 12 Months Ended
--- | ---
Dec. 31, 2012 | Dec. 31, 2011
Calculation of gain recorded on sale of assets |  |
Sales proceeds | $ 15,163 | $ 1,200
Less net book value of assets sold: |  |
Property, plant and equipment | 869,344 | 813,391
Less: Accumulated depreciation | (418,797) | (330,188)
Property, plant and equipment, net book value | 450,547 | 483,203
Gain on disposition of long-lived assets | 11,605 | 2,397
Certain network | U.S. Wireless, Wholesale |  |
Calculation of gain recorded on sale of assets |  |
Sales proceeds | 15,629 |
Less net book value of assets sold: |  |
Property, plant and equipment | 12,279 |
Less: Accumulated depreciation | (8,263) |
Property, plant and equipment, net book value | 4,016 |
Other | 8 |
Total net book value of assets sold | 4,024 |
Gain on disposition of long-lived assets | $ 11,605 |

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- Definition The cumulative amount of depreciation, depletion and amortization (related to property, plant and equipment, but not including land) that has been recognized in the income statement. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 14 -Article 5 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher AICPA -Name Accounting Principles Board Opinion (APB) -Number 12 -Paragraph 5 -Subparagraph c -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009.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. Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher AICPA -Name Accounting Principles Board Opinion (APB) -Number 12 -Paragraph 5 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009.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. Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.14) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 360 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=6391035&loc=d3e2868-110229 + Details
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