XML 91 R93.htm IDEA: XBRL DOCUMENT v2.4.0.8
Share-based compensation (Details 4) (USD $)
In Millions, except Share data, unless otherwise specified
12 Months Ended
Dec. 31, 2013
Dec. 31, 2012
Dec. 31, 2011
Restricted stock awards and restricted stock units      
Granted (in shares) 0    
Weighted-average grant-date fair value per share      
Total weighted-average grant-date fair value $ 3.0 $ 2.6 $ 2.5
Tax benefits realized for the tax deductions 2.8 2.4 1.5
Restricted shares
     
Restricted stock awards and restricted stock units      
Outstanding, beginning of period (in shares) 9,005 46,807 89,709
Granted (in shares) 0 0 0
Vested (in shares) (4,502) (37,802) (40,102)
Forfeited (in shares) 0 0 (2,800)
Outstanding, end of period (in shares) 4,503 9,005 46,807
Weighted-average grant-date fair value per share      
Outstanding, beginning of period (in dollars per share) $ 22.21 $ 24.45 $ 24.64
Granted (in dollars per share) $ 0.00 $ 0.00 $ 0.00
Vested (in dollars per share) $ 22.21 $ 24.99 $ 24.83
Forfeited (in dollars per share) $ 0.00 $ 0.00 $ 24.93
Outstanding, end of period (in dollars per share) $ 22.21 $ 22.21 $ 24.45
Fair value of vested stock (in dollars) 0.1 0.9 1.0
Tax benefits realized for the tax deductions   0.2 0.2
Unrecognized compensation cost 0.1    
Weighted-average period over which unrecognized compensation cost expected to be recognized 10 months 24 days    
Restricted stock units
     
Restricted stock awards and restricted stock units      
Outstanding, beginning of period (in shares) 315,094 247,286 146,500
Granted (in shares) 111,231 98,446 101,786
Vested (in shares) (118,885) (25,728) 0
Forfeited (in shares) (19,289) (4,910) (1,000)
Outstanding, end of period (in shares) 288,151 315,094 247,286
Weighted-average grant-date fair value per share      
Outstanding, beginning of period (in dollars per share) $ 22.82 $ 21.80 $ 19.80
Granted (in dollars per share) $ 26.88 $ 25.99 $ 24.68
Vested (in dollars per share) $ 20.48 $ 24.68 $ 0.00
Forfeited (in dollars per share) $ 25.62 $ 24.92 $ 22.60
Outstanding, end of period (in dollars per share) $ 25.17 $ 22.82 $ 21.80
Fair value of vested stock (in dollars) 2.4 0.7  
Tax benefits realized for the tax deductions 0.9 0.2  
Unrecognized compensation cost $ 3.7    
Weighted-average period over which unrecognized compensation cost expected to be recognized 2 years 5 months 24 days