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Debt And Commitments - Schedule of Company's Long-term Debt (Parenthetical) (Detail)	Dec. 31, 2012	Dec. 31, 2011
Bank Term Debt [Member]
Weighted average interest rate of bank term debt	8.00%	9.40%
Government Loans [Member]
Weighted average interest rate of bank term debt	5.40%	5.80%

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- Definition

Reflects the calculation as of the balance sheet date of the average interest rate weighted by the amount of long-term debt outstanding by type or by instrument at that time.

+ References

No definition available.

+ Details

Name:	us-gaap_LongtermDebtWeightedAverageInterestRate
Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant