v2.4.0.6

SHARE-BASED COMPENSATION (TABLES) | 12 Months Ended
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Dec. 31, 2011
SHARE-BASED COMPENSATION [Abstract] |
Schedule of restricted stock [Table Text Block] |
The following table provides a reconciliation of the beginning and ending balance of nonvested restricted stock (including restricted stock units) for the year ended December 31, 2011:
|  |  |  | Number of |  | Weighted Average |
|  |  |  | Restricted |  | Grant Date |
|  |  |  | Stock |  | Fair Value |
| Nonvested restricted stock - beginning of year |  | 3,882 |  | $ | 31.95 |
| Granted |  | 1,839 |  |  | 36.12 |
| Vested |  | (1,822) |  |  | 34.78 |
| Forfeited |  | (83) |  |  | 29.48 |
| Nonvested restricted stock - end of year | 3,816 |  | $ | 32.69 |
(1) Fair value is based on the closing price of our common shares on the New York Stock Exchange on the day of the grant.
Schedule of stock options [Table Text Block] |
The following is a summary of stock options outstanding and exercisable at December 31, 2011 and related activity for the year ended:
|  |  |  |  |  | Weighted |  |  |  |
|  |  |  | Weighted |  | Average |  |  |  |
|  | Number |  | Average |  | Remaining |  |  | Aggregate |
|  | of Stock |  | Exercise |  | Contractual |  |  | Intrinsic |
|  | Options |  | Price |  | Term |  |  | Value(1) |
| Outstanding and exercisable - beginning of year | 2,318 |  | $ | 22.26 |  |  |  |  |  |
| Granted | - |  |  | - |  |  |  |  |  |
| Exercised | (650) |  |  | 15.98 |  |  |  |  |  |
| Expired | - |  |  | - |  |  |  |  |  |
| Outstanding and exercisable - end of year | 1,668 |  | $ | 24.71 |  | 2.09 |  | $ | 12,095 |
(1) The aggregate intrinsic value in the table above represents the total pre-tax intrinsic value (the difference between our closing stock price at December 31, 2011 and the exercisable price, multiplied by the number of in-the-money-options) that would have been received by the stock option holder had all stock option holders exercised their stock options on December 31, 2011.

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- Definition Disclosure of the number and weighted-average grant date fair value for restricted stock and restricted stock units that were outstanding at the beginning and end of the year, and the number of restricted stock and restricted stock units that were granted, vested, or forfeited during the year. + References No definition available. + Details
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- Definition Tabular disclosure of the number of fully vested share options (or share units) and share options expected to vest at the date of the latest statement of financial position, weighted-average exercise price (or conversion ratio), aggregate intrinsic value (except for nonpublic entities), and weighted-average remaining contractual term for both options (or share units) currently outstanding and options (or share units) exercisable (or convertible). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Topic 718 -SubTopic 10 -Publisher FASB -Number -Article -Subparagraph (e) -Name Accounting Standards Codification -Paragraph 2 -Section 50 -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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