XML 89 R84.htm IDEA: XBRL DOCUMENT v2.4.0.8
Share-Based Compensation (Summary Of Information Relating To Performance-Based Grants) (Details) (USD $)
 12 Months Ended
Dec. 31, 2011
Performance-Based Awards Disclosure [Line Items]  
Grant year 2011
Shares granted 275,000
Grant date market price $ 6.54
Absolute TSR [Member]
  
Performance-Based Awards Disclosure [Line Items]  
Portion of grant 50.00%
Annual average return 8.00%
Appraisal value $ 4.40
Relative TSR [Member]
  
Performance-Based Awards Disclosure [Line Items]  
Portion of grant 50.00%
Appraisal value $ 5.91