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Share-Based Compensation Other Stock Options Details (Details)
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9 Months Ended |
|---|---|
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Oct. 27, 2012
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Chief Executive Officer [Member] | Stock Options [Member]
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| Vesting Details [Line Items] | |
| Award Vesting Period | 3 years |
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Management [Member]
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| Vesting Details [Line Items] | |
| Annual Award Vesting Percentage | 25.00% |
| Option Expiration Date | 10 |
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Management [Member] | Stock Options [Member]
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| Vesting Details [Line Items] | |
| Award Vesting Period | 4 years |