XML 21 R31.htm IDEA: XBRL DOCUMENT v2.4.0.6
SHARE-BASED COMPENSATION (Details 2) (USD $)
In Millions, except Share data, unless otherwise specified
3 Months Ended
Mar. 31, 2013
Mar. 31, 2012
Weighted-average assumptions used and the weighted-average fair value per option granted    
Unrecognized compensation cost, net of estimated forfeitures 6.7  
Weighted average recognition period of unrecognized compensation cost 2 years  
Stock options
   
SHARE-BASED COMPENSATION    
Options granted (in shares) 0  
Weighted-average assumptions used and the weighted-average fair value per option granted    
Expected life of stock option   6 years 7 months 6 days
Expected volatility (as a percent)   38.00%
Risk-free interest rate (as a percent)   1.20%
Dividend yield (as a percent)   1.50%
Weighted average grant-date fair value (in dollars per share)   $ 3.97
Nonvested share awards
   
SHARE-BASED COMPENSATION    
Nonvested shares granted 375,000  
Weighted-average grant date price (in dollars per share) 12.44  
Number of shares vesting with certification by the compensation committee on achievement of certain financial performance criteria 330,000  
Number of shares that vested upon issuance 20,000  
2004 Plan
   
SHARE-BASED COMPENSATION    
Limits in the grants of awards 7,500,000  
Number of shares available for future equity-related grants 231,000