• Filing Date: 2013-03-14
  • Form Type: 10-K
  • Description: Annual report
v2.4.0.6
Stock-Based Compensation (Details 4) (USD $)
1 Months Ended 12 Months Ended
Aug. 31, 2011
Dec. 31, 2012
Assumptions used to determine the fair value of the awards with market-based conditions    
Expected dividends per share   $ 0.80
Expected volatility, minimum   36.70%
Expected volatility, maximum   50.00%
Risk-free interest rate, minimum   0.10%
Risk-free interest rate, maximum   1.20%
Estimated cost of capital, minimum   11.90%
Estimated cost of capital, maximum   12.10%
Expected life (in years) 5 years 6 years