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Share Based Compensation - Summary of Activity Under all Share-Based Compensation Plans (Parenthetical) (Detail)
In Thousands, unless otherwise specified |
Dec. 31, 2012
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Dec. 31, 2011
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|---|---|---|
| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | ||
| Outstanding SARs with market and performance conditions | 11,333 | 11,169 |
| Exercisable SARs with market and performance conditions | 5,751 | |
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Market condition awards [Member]
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| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | ||
| Outstanding SARs with market and performance conditions | 1,500 | 1,500 |
| Exercisable SARs with market and performance conditions | 1,500 | |
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Market and performance condition awards [Member]
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| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | ||
| Outstanding SARs with market and performance conditions | 900 | 900 |
| X | ||||||||||
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- Definition
Share-based compensation arrangement by share-based payment award options and appreciation rights exercisable number. No definition available.
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| X | ||||||||||
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- Definition
Share-based compensation arrangement by share-based payment award options and appreciation rights outstanding number. No definition available.
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| X | ||||||||||
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- Details
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