STOCK-BASED COMPENSATION (Tables)
|
6 Months Ended | ||||||||||||||||||||||||||||||||||||||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Jun. 30, 2011
|
|||||||||||||||||||||||||||||||||||||||||||||||||||||||
Schedule of Share-based Payment Award, Stock Options, Valuation Assumptions |
The fair value of our employee stock options granted, as determined by the Black-Scholes valuation model, was $15.92 and $14.83 for 2011 and 2010, respectively, using the following assumptions:
|
X | ||||||||||
- Definition
Tabular disclosure of the significant assumptions used during the year to estimate the fair value of stock options, including, but not limited to: (a) expected term of share options and similar instruments, (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
|