XML 93 R79.htm IDEA: XBRL DOCUMENT v3.3.1.900
Share Based Compensation - Stock Options Outstanding and Exercisable (Details) - $ / shares
shares in Thousands
12 Months Ended
Dec. 31, 2015
Dec. 31, 2014
Dec. 31, 2013
Dec. 31, 2012
Stock Options Outstanding [Abstract]        
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Number 2,063 2,736 3,126 3,713
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Remaining Contractual Term 3 years 10 months 24 days      
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price $ 23.03 $ 21.26 $ 18.93 $ 17.85
Stock Options Exercisable [Abstract]        
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Number 1,776      
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Weighted Average Remaining Contractual Term 3 years 7 months 6 days      
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Weighted Average Exercise Price $ 22.82      
Plan 2001        
Stock Options Outstanding [Abstract]        
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range, Lower Range Limit 15.05      
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range, Upper Range Limit $ 29.21      
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Number 1,722      
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Remaining Contractual Term 3 years 6 months      
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price $ 22.52      
Stock Options Exercisable [Abstract]        
Share Based Compensation Shares Exercisable Under Stock Option Plans Exercise Price Range Lower Range Limit 15.05      
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range, Upper Range Limit $ 29.21      
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Number 1,648      
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Weighted Average Remaining Contractual Term 3 years 4 months 24 days      
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Weighted Average Exercise Price $ 22.66      
Plan 2013        
Stock Options Outstanding [Abstract]        
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range, Lower Range Limit 23.35      
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range, Upper Range Limit $ 27.92      
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Number 341      
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Remaining Contractual Term 5 years 10 months 24 days      
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price $ 25.61      
Stock Options Exercisable [Abstract]        
Share Based Compensation Shares Exercisable Under Stock Option Plans Exercise Price Range Lower Range Limit 23.35      
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range, Upper Range Limit $ 27.92      
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Number 128      
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Weighted Average Remaining Contractual Term 5 years 9 months 18 days      
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Weighted Average Exercise Price $ 24.86