XML 59 R81.htm IDEA: XBRL DOCUMENT v2.4.0.6
Share Based Compensation (Non-vested share grants) (Details) (USD $)
In Thousands, except Per Share data, unless otherwise specified
12 Months Ended
Dec. 31, 2012
Dec. 31, 2011
Dec. 31, 2010
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested [Roll Forward]      
Shares - Nonvested - Beginning 1,024 871 714
Shares - Granted 482 472 477
Shares - Vested (305) (274) (265)
Shares - Forfeited (37) (45) (55)
Shares - Nonvested - Ending 1,164 1,024 871
Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Nonvested Weighted Average Grant Date Fair Value Roll Forward [Abstract]      
Nonvested - Beginning $ 21.48 $ 18.66 $ 20.50
Granted $ 18.95 $ 25.78 $ 17.89
Vested $ 21.48 $ 20.23 $ 21.94
Forfeited $ 21.67 $ 19.68 $ 20.12
Nonvested - Ending $ 20.42 $ 21.48 $ 18.66
Aggregate Intrinsic Value $ 0 $ 0 $ 7,257
Aggregated Intrinsic Value - Vested $ 6,560