XML 60 R56.htm IDEA: XBRL DOCUMENT v2.4.0.8
Share-Based Compensation - Summary of Liability Based Award Activity (Details) (USD $)
12 Months Ended
Dec. 31, 2013
Dec. 31, 2012
Dec. 31, 2011
Restricted Stock (RSU)
     
Summary of Liability-Based Award Activity [Roll Forward]      
Granted, Weighted-Average Grant Date Fair Value $ 27.35    
Liability Based Awards | Performance unit incentive plan (PUP)
     
Summary of Liability-Based Award Activity [Roll Forward]      
Beginning Balance, Shares 210,600 95,500 102,960
Granted, Shares 93,100 115,100 95,500
Vested, Shares 0 0 0
Forfeited or Cancelled, Shares (3,932) 0 (102,960)
Ending Balance, Shares 299,768 210,600 95,500
Beginning Balance, Weighted-Average Grant Date Fair Value $ 21.70 $ 23.02 $ 33.81
Granted, Weighted-Average Grant Date Fair Value $ 27.35 $ 20.60 $ 23.02
Vested, Weighted-Average Grant Date Fair Value $ 0.00 $ 0.00 $ 0.00
Forfeited or Cancelled, Weighted-Average Grant Date Fair Value $ 21.15 $ 0.00 $ 33.81
Ending Balance, Weighted-Average Grant Date Fair Value $ 23.46 $ 21.70 $ 23.02
Liability Based Awards | Restricted Stock (RSU)
     
Summary of Liability-Based Award Activity [Roll Forward]      
Beginning Balance, Shares 40,500 38,600 26,050
Granted, Shares 8,600 15,850 12,550
Vested, Shares (11,300) (13,100) 0
Forfeited or Cancelled, Shares (9,240) (850) 0
Ending Balance, Shares 28,560 40,500 38,600
Beginning Balance, Weighted-Average Grant Date Fair Value $ 20.82 $ 19.07 $ 17.18
Granted, Weighted-Average Grant Date Fair Value   $ 20.57 $ 23.01
Vested, Weighted-Average Grant Date Fair Value $ 19.10 $ 15.36 $ 0.00
Forfeited or Cancelled, Weighted-Average Grant Date Fair Value $ 22.55 $ 20.89 $ 0.00
Ending Balance, Weighted-Average Grant Date Fair Value $ 22.91 $ 20.82 $ 19.07
Liability Based Awards | Performance Based Restricted Stock Shares (PBRSU)
     
Summary of Liability-Based Award Activity [Roll Forward]      
Beginning Balance, Shares 0 1,956 3,914
Granted, Shares 0 0 0
Vested, Shares 0 (1,956) (1,958)
Forfeited or Cancelled, Shares 0 0 0
Ending Balance, Shares 0 0 1,956
Beginning Balance, Weighted-Average Grant Date Fair Value $ 0.00 $ 15.36 $ 15.36
Granted, Weighted-Average Grant Date Fair Value $ 0.00 $ 0.00 $ 0.00
Vested, Weighted-Average Grant Date Fair Value $ 0.00 $ 15.36 $ 15.36
Forfeited or Cancelled, Weighted-Average Grant Date Fair Value $ 0.00 $ 0.00 $ 0.00
Ending Balance, Weighted-Average Grant Date Fair Value $ 0.00 $ 0.00 $ 15.36