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Basis Of Presentation And Significant Accounting Policies Percentage Of Customers (Details)
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9 Months Ended |
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Sep. 30, 2012
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| Percentage of sales to customers of oil and gas revenues | 36 |
| Percentage of sales to customers of oil and gas revenues, | 35 |
| Percentage of sales to customers of oil and gas revenues. | 27 |
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- Definition
Percentage of sales to customers of oil and gas revenues No definition available.
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- Definition
Percentage of sales to customers of oil and gas revenues, No definition available.
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| X | ||||||||||
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- Definition
Percentage of sales to customers of oil and gas revenues, No definition available.
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