Summary of Significant Accounting Policies (Details Textual) (USD $)
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3 Months Ended | 6 Months Ended | 1 Months Ended | |||||||||
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Jun. 30, 2012
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Jun. 30, 2011
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Jun. 30, 2012
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Jun. 30, 2011
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Mar. 31, 2012
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Dec. 31, 2011
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Mar. 31, 2011
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Dec. 31, 2010
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Apr. 30, 2012
Howard Midstream Energy Partners, LLC [Member]
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Mar. 31, 2012
Howard Midstream Energy Partners, LLC [Member]
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Jun. 30, 2011
Howard Midstream Energy Partners, LLC [Member]
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Jun. 22, 2011
Howard Midstream Energy Partners, LLC [Member]
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Summary of Significant Accounting Policies (Textual) [Abstract] | ||||||||||||
Acquired ownership interest in HEP | 31.00% | 39.00% | ||||||||||
Payment to acquire equity method investment | $ 48,844,000 | $ 35,000,000 | $ 53,750,000 | $ 35,000,000 | $ 47,400,000 | $ 4,900,000 | $ 35,000,000 | |||||
Number of shares acquired in equity method investment | 45,435 | |||||||||||
Summary of Significant Accounting Policies (Additional Textual) [Abstract] | ||||||||||||
Cash and cash equivalents | 172,868,000 | 380,382,000 | 172,868,000 | 380,382,000 | 177,367,000 | 315,349,000 | 503,019,000 | 539,221,000 | ||||
Cash equivalents | 71,200,000 | 71,200,000 | 165,900,000 | |||||||||
Cash and cash equivalents held in domestic bank accounts | 28,700,000 | 28,700,000 | 230,900,000 | |||||||||
Cash and cash equivalents held in foreign bank accounts | 144,200,000 | 144,200,000 | 84,400,000 | |||||||||
Total allowances for doubtful accounts | 5,034,000 | 5,034,000 | 3,763,000 | |||||||||
Allowances on accounts receivable, current | 5,034,000 | 5,034,000 | 3,763,000 | |||||||||
Current retainage balances | 166,000,000 | 166,000,000 | 117,100,000 | |||||||||
Non-current retainage balances | 17,300,000 | 17,300,000 | 28,300,000 | |||||||||
Unbilled receivables | 162,500,000 | 162,500,000 | 140,800,000 | |||||||||
Number of days after accounts receivable are treated as delinquent | 30 days | |||||||||||
Number of days related to outstanding accounts receivable for analysis of the allowance for doubtful accounts | at least 90 days | |||||||||||
Decrease in fair value of reporting units considered, for impairment calculation | 10.00% | |||||||||||
Change orders and/or claims | 207,100,000 | 207,100,000 | 77,300,000 | |||||||||
Fiber Optic Licensing Terms, Minimum in years | 5 years | 5 years | ||||||||||
Fiber Optic Licensing Terms, Maximum in years | 25 years | 25 years | ||||||||||
Fiber optic deferred revenue | 46,200,000 | 46,200,000 | 47,400,000 | |||||||||
Fiber optic non-current deferred revenue | 37,700,000 | 37,700,000 | 38,300,000 | |||||||||
Unrecognized tax benefits increase (decrease) | (11,900,000) | |||||||||||
Unrecognized tax benefits | $ 52,100,000 | $ 52,100,000 | $ 47,400,000 |
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Cash and cash equivalents held in domestic bank accounts. No definition available.
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Cash and cash equivalents held in foreign bank accounts. No definition available.
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Decrease in fair value of Reporting units considered, for impairment calculation. No definition available.
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Licensing terms maximum in years. No definition available.
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Licensing terms minimum in years. No definition available.
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Number of days after accounts receivable are treated as delinquent. No definition available.
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Number of days related to outstanding accounts receivable for analysis of the allowance for doubtful accounts. No definition available.
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Number of shares acquired in equity method investment. No definition available.
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- Details
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- Definition
For an unclassified balance sheet, a valuation allowance for receivables due a company that are expected to be uncollectible. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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A valuation allowance for trade and other receivables due to an Entity within one year (or the normal operating cycle, whichever is longer) that are expected to be uncollectible. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
Amount of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates. Excludes cash and cash equivalents within disposal group and discontinued operation. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
Amount of short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates. Excludes cash and cash equivalents within disposal group and discontinued operation. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
Amount billed to customers under long-term contracts or programs that have been withheld because of retainage provisions in a contract to be collected after the next fiscal year following the latest fiscal year. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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Amount billed to customers under long-term contracts or programs that have been withheld because of retainage provisions in a contract to be collected in the next fiscal year following the latest fiscal year. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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Amount of deferred revenue as of balance sheet date. Deferred revenue represents collections of cash or other assets related to a revenue producing activity for which revenue has not yet been recognized. Generally, an entity records deferred revenue when it receives consideration from a customer before achieving certain criteria that must be met for revenue to be recognized in conformity with GAAP. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
The noncurrent portion of deferred revenue amount as of balance sheet date. Deferred revenue is a liability related to a revenue producing activity for which revenue has not yet been recognized, and is not expected to be recognized in the next twelve months. Generally, an entity records deferred revenue when it receives consideration from a customer before achieving certain criteria that must be met for revenue to be recognized in conformity with GAAP. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
The percentage of ownership of common stock or equity participation in the investee accounted for under the equity method of accounting. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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The cash outflow associated with the purchase of or advances to an equity method investments, which are investments in joint ventures and entities in which the entity has an equity ownership interest normally of 20 to 50 percent and exercises significant influence. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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The amount of costs incurred on unapproved change orders when it is probable that the cost will be recovered through a change in the contract price. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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Unbilled amounts due for services rendered or to be rendered, actions taken or to be taken, or a promise to refrain from taking certain actions in accordance with the terms of a legally binding agreement between the entity and, at a minimum, one other party. An example would be amounts associated with contracts or programs where the recognized revenue for performance thereunder exceeds the amounts billed under the terms thereof as of the date of the balance sheet. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
The gross amount of unrecognized tax benefits pertaining to uncertain tax positions taken in tax returns as of the balance sheet date. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
The net amount of all increases and decreases in unrecognized tax benefits for the period. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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