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Significant Accounting Policies - Additional Information (Detail)
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12 Months Ended |
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Dec. 31, 2012
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| Significant Accounting Policies [Line Items] | |
| Attributable to hedged risk, range minimum | 80.00% |
| Attributable to hedged risk, range maximum | 125.00% |
| Percentage of income tax benefit recognized | 50.00% |
| Percentage of fair value of plan assets | 10.00% |
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- Definition
Defined Benefit Plan Fair Value Of Plan Assets Percentage No definition available.
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- Definition
Income Tax Expense Benefit Percentage No definition available.
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- Details
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- Definition
The upper end of the range of quotients represented as a percentage derived by dividing the change in value of a hedging instrument by the change in the value of the hedged item over the assessment period. No definition available.
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- Definition
The lower end of the range of quotients represented as a percentage derived by dividing the change in value of a hedging instrument by the change in the value of the hedged item over the assessment period. No definition available.
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