Summary of Significant Accounting Policies Consolidated Statement of Operations Restatement (Details) (USD $) In Thousands, except Per Share data | 3 Months Ended | 9 Months Ended | ||
|---|---|---|---|---|
Sep. 30, 2011 | Sep. 30, 2010 | Sep. 30, 2011 | Sep. 30, 2010 | |
| Revenue | $ 615,555 | $ 573,651 | $ 1,791,647 | $ 1,638,613 |
| Cost of revenues | 439,377 | 391,888 | 1,240,276 | 1,125,730 |
| Gross profit | 176,178 | 181,763 | 551,371 | 512,883 |
| Operating Income | (497,252) | 58,936 | (399,078) | 140,564 |
| Income before income taxes | (511,040) | 41,351 | (439,997) | 93,352 |
| Income tax (provision) benefit | (6,042) | (13,712) | (15,529) | (15,152) |
| Net income | (517,082) | 27,639 | (455,526) | 78,200 |
| Earnings Per Share, Basic | $ (12.70) | $ 0.68 | $ (11.21) | $ 1.94 |
| Earnings per common share-Diluted | $ (12.70) | $ 0.68 | $ (11.21) | $ 1.91 |
Scenario, Previously Reported [Member] | ||||
| Revenue | 575,968 | 1,644,708 | ||
| Cost of revenues | 391,761 | 1,125,282 | ||
| Gross profit | 184,207 | 519,426 | ||
| Operating Income | 61,380 | 147,107 | ||
| Income before income taxes | 43,795 | 99,895 | ||
| Income tax (provision) benefit | (14,687) | (17,100) | ||
| Net income | 29,108 | 82,795 | ||
| Earnings Per Share, Basic | $ 0.72 | $ 2.05 | ||
| Earnings per common share-Diluted | $ 0.71 | $ 2.02 | ||
As restated [Member] | ||||
| Revenue | 573,651 | 1,638,613 | ||
| Cost of revenues | 391,888 | 1,125,730 | ||
| Gross profit | 181,763 | 512,883 | ||
| Operating Income | 58,936 | 140,564 | ||
| Income before income taxes | 41,351 | 93,352 | ||
| Income tax (provision) benefit | 13,712 | (15,152) | ||
| Net income | $ 27,639 | $ 78,200 | ||
| Earnings Per Share, Basic | $ 0.68 | $ 1.94 | ||
| Earnings per common share-Diluted | $ 0.68 | $ 1.91 | ||
| X | ||||||||||
- Definition The aggregate costs related to goods produced and sold and services rendered by an entity during the reporting period. This excludes costs incurred during the reporting period related to financial services rendered and other revenue generating activities. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition The amount of net income (loss) for the period per each share of common stock or unit outstanding during the reporting period. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition The amount of net income (loss) for the period available to each share of common stock or common unit outstanding during the reporting period and to each share or unit that would have been outstanding assuming the issuance of common shares or units for all dilutive potential common shares or units outstanding during the reporting period. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Aggregate revenue less cost of goods and services sold or operating expenses directly attributable to the revenue generation activity. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Sum of operating profit and nonoperating income or expense before Income or Loss from equity method investments, income taxes, extraordinary items, and noncontrolling interest. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition The sum of the current income tax expense or benefit and the deferred income tax expense or benefit pertaining to continuing operations. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition The portion of profit or loss for the period, net of income taxes, which is attributable to the parent. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition The net result for the period of deducting operating expenses from operating revenues.
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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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