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Contingencies - Additional Information (Detail) (USD $)
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Sep. 30, 2013
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Dec. 31, 2010
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| Commitment And Contingencies [Line Items] | ||
| Number of pending claims | 15 | |
| Amount accrued | $ 0 | |
| Fine paid by for retention and use of individual agent in Nigeria with respect to customs-related issues | 11,760,000 | |
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Gulfco Site [Member]
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| Commitment And Contingencies [Line Items] | ||
| Amount accrued | $ 900,000 | |
| Percent of costs to study and remediate site | 20.00% |
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- Details
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- Definition
Percent of costs required to be paid for study and remediate site. No definition available.
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- Definition
The carrying amount as of the balance sheet date of the combined total of loss contingency liabilities. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
The total amount of pending claims pertaining to a loss contingency accrual as of the balance sheet date. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
Amount of consideration the entity has agreed to pay to settle a legal matter. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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