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Discontinued Operations (Narrative) (Detail) (USD $) | 3 Months Ended | 12 Months Ended | 0 Months Ended | 12 Months Ended | 0 Months Ended | 12 Months Ended |  | 0 Months Ended | 12 Months Ended | 0 Months Ended | 12 Months Ended |  | 0 Months Ended | 12 Months Ended |  | 12 Months Ended
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Dec. 31, 2013 | Sep. 30, 2013 | Jun. 30, 2013 | Mar. 31, 2013 | Dec. 31, 2012 | Sep. 30, 2012 | Jun. 30, 2012 | Mar. 31, 2012 | Dec. 31, 2013 | Dec. 31, 2012 | Dec. 31, 2011 | Aug. 31, 2013 Globetec [Member] | Dec. 31, 2013 Globetec [Member] | Dec. 31, 2012 Globetec [Member] | Dec. 31, 2011 Globetec [Member] | Dec. 31, 2013 Globetec [Member] Variable Interest Entity, Not Primary Beneficiary [Member] | Dec. 31, 2013 Globetec [Member] Variable Interest Entity, Not Primary Beneficiary [Member] | Dec. 31, 2013 Globetec [Member] Variable Interest Entity, Not Primary Beneficiary [Member] Surety Bond [Member] | Dec. 31, 2013 Globetec [Member] Variable Interest Entity, Not Primary Beneficiary [Member] Surety Bond [Member] Forecast [Member] | Dec. 31, 2013 DirectStar [Member] | Dec. 31, 2012 DirectStar [Member] | Dec. 31, 2011 DirectStar [Member] | Dec. 31, 2013 Original $2.0 Million Note Receivable [Member] Globetec [Member] Variable Interest Entity, Not Primary Beneficiary [Member] | Dec. 31, 2013 Original $2.0 Million Note Receivable [Member] Globetec [Member] Variable Interest Entity, Not Primary Beneficiary [Member] | Aug. 31, 2013 Original $2.0 Million Note Receivable [Member] Globetec [Member] Variable Interest Entity, Not Primary Beneficiary [Member] | Dec. 31, 2013 Original $5.6 Million Note Receivable [Member] Globetec [Member] Variable Interest Entity, Not Primary Beneficiary [Member] | Dec. 31, 2013 Original $5.6 Million Note Receivable [Member] Globetec [Member] Variable Interest Entity, Not Primary Beneficiary [Member] | Aug. 31, 2013 Original $5.6 Million Note Receivable [Member] Globetec [Member] Variable Interest Entity, Not Primary Beneficiary [Member] | Dec. 31, 2013 Original $5.6 Million Note Receivable [Member] Globetec [Member] Variable Interest Entity, Not Primary Beneficiary [Member] Maximum [Member] | Dec. 31, 2013 Extended Maturity [Member] Original $5.6 Million Note Receivable [Member] Globetec [Member] Variable Interest Entity, Not Primary Beneficiary [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Discontinued operations description |  |  |  |  |  |  |  |  |  |  |  |  | In September 2012, the Company's board of directors approved a plan of sale for its Globetec business. Accordingly, Globetec's projects and assets are reflected as assets and liabilities of discontinued operations in the consolidated balance sheets for all periods presented, and Globetec's results of operations are presented as discontinued operations in the consolidated statements of operations for all periods presented. Effective August 31, 2013, the Company sold all of its membership interests in Globetec for nominal consideration and retained certain contingent assets, including two pre-closing intercompany loans of $2.0 million and $5.6 million, all of which remained outstanding as of December 31, 2013. |  |  |  |  |  |  | In May 2012, Red Ventures exercised its option to acquire from the Company the equity interests in DirectStar, which provides marketing and sales services on behalf of DIRECTV®. The Company consummated the sale of DirectStar to Red Ventures in June 2012 for a net sale price of $98.9 million in cash. DirectStar is presented as a discontinued operation in the Company’s consolidated financial statements for all periods presented. |  |  |  |  |  |  |  |  |  |
Discontinued operation, membership interests remaining |  |  |  |  |  |  |  |  |  |  |  | 0.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disposal date |  |  |  |  |  |  |  |  |  |  |  |  | Aug. 31, 2013 |  |  |  |  |  |  | Jun. 30, 2012 |  |  |  |  |  |  |  |  |  |
Variable interest entity, nonconsolidated, carrying amount, loan to entity |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 2,000,000 | $ 2,000,000 | $ 2,000,000 | $ 5,600,000 | $ 5,600,000 | $ 5,600,000 |  |
Loan, variable interest entity, nonconsolidated, interest rate |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 0.25% |  |  | 5.00% |  |  |  | 10.00%
Loan, variable interest entity, nonconsolidated, maturity date |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | Oct. 03, 2014 |  |  | Oct. 03, 2014 |  | Oct. 03, 2015 |
Discontinued operations, status at latest balance sheet date |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | The sale agreement provided that the Company would retain certain contingent assets and liabilities of the Globetec business, which are reported in discontinued operations |  |  |  |  |  |  |  |  |  |  |  |  |
Variable interest entity, ownership percentage |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 0.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |
Outstanding bonds, amount |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 15,900,000 |  |  |  |  |  |  |  |  |  |  |  |
Estimated cost to complete bonded projects |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 1,000,000 |  |  |  |  |  |  |  |  |  |  |
Net sale price |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 98,900,000 |  |  |  |  |  |  |  |  |
Income (loss) from discontinued operations, net of tax | $ (1,300,000) | $ (3,700,000) | $ (500,000) | $ (900,000) | $ (1,400,000) | $ (9,300,000) | $ (1,100,000) | $ 2,500,000 | $ (6,456,000) | $ (9,223,000) | $ 8,516,000 |  | $ (6,500,000) | $ (12,900,000) | $ (5,200,000) |  |  |  |  |  | $ 3,700,000 | $ 13,700,000 |  |  |  |  |  |  |  |

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