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Stock Compensation Plans (Tables)
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3 Months Ended | |||||||||||||||||||||||||||||||||||||||||||||
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Mar. 31, 2012
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| Stock Compensation Plans [Abstract] | ||||||||||||||||||||||||||||||||||||||||||||||
| Schedule Of Share-Based Payment Award, Employee Stock Purchase Plan, Valuation Assumptions |
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- Details
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- Definition
Tabular disclosure of the significant assumptions used during the year to estimate the fair value of employee stock purchase plans, including, but not limited to: (a) expected term, (b) expected volatility of the entity's shares, (c) expected dividends, (d) risk-free rate(s), and (e) discount for post-vesting restrictions. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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