XML 46 R77.htm IDEA: XBRL DOCUMENT v2.4.0.6
Stock-Based Compensation (Details 1) (USD $)
In Thousands, except Share data, unless otherwise specified
 12 Months Ended
Dec. 31, 2012
Dec. 31, 2011
Dec. 31, 2010
Summary of stock option activity      
Exercised (280,000) (10,000) (14,000)
SOSARs [Member]
      
Summary of stock option activity      
Outstanding at January 1, 2,298,288 2,061,877 1,762,020
Granted 364,114 345,290 470,520
Exercised (500,074)    
Forfeited (40,874) (108,879) (170,663)
Outstanding at December 31, 2,121,454 2,298,288 2,061,877
Exercisable at December 31, 1,469,537 1,554,852 1,135,281
Vested and expected to vest 2,055,599 2,076,341 2,059,524
Weighted Average Exercise Price, Outstanding at Jan 1 12.35 12.28 11.84
Weighted Average Exercise Price, Granted 15.58 12.56 13.77
Weighted Average Exercise Price, Exercised 12.06    
Weighted Average Exercise Price, Canceled / forfeited 14.31 11.82 11.81
Weighted Average Exercise Price, Outstanding at Dec 31 12.93 12.35 12.28
Weighted Average Exercise Price at Dec 31 12.30 12.45 12.78
Weighted average grant date fair value per share 4.94 4.09 4.65
Aggregate grant date fair value 1,797 1,412 2,179
Black-Scholes Assumptions      
Dividend yield 2.31% 2.87% 2.61%
Risk free rate of return 1.02% 2.55% 2.48%
Volatility 41.48% 41.91% 42.34%
Expected Life 6 years 6 years 6 years
Compensation expense 1,448 1,564 2,254