XML 74 R61.htm IDEA: XBRL DOCUMENT v3.4.0.3
Stock-Based Compensation (Stock Appreciation Rights) (Details) - SARs - USD ($)
3 Months Ended
Mar. 31, 2016
Dec. 31, 2015
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Shares outstanding (in shares) 16,969 17,748
Shares exercisable (in shares) 16,969  
Shares outstanding, weighted-average exercise price (in dollars per share) $ 25.79 $ 25.86
Shares exercisable, weighted-average exercise price (in dollars per share) $ 25.79  
Shares outstanding, weighted-average remaining contractual life 1 year 3 months 1 day  
Shares exercisable, weighted-average remaining contractual life 1 year 3 months 1 day  
Shares outstanding, aggregate intrinsic value $ 0  
Shares exercisable, aggregate intrinsic value $ 0  
Number of Common Shares Subject to SARs Outstanding & Exercisable (in shares) 16,969  
Weighted-Average Remaining Contractual Life 1 year 3 months 1 day  
Forfeited 779  
Forfeited $ 26.44  
Exercise Price $23.26    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Exercise Price (in dollars per share) $ 23.26  
Number of Common Shares Subject to SARs Outstanding & Exercisable (in shares) 2,000  
Weighted-Average Remaining Contractual Life 1 year 3 months 1 day  
Exercise Price $23.77    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Exercise Price (in dollars per share) $ 23.77  
Number of Common Shares Subject to SARs Outstanding & Exercisable (in shares) 8,541  
Weighted-Average Remaining Contractual Life 1 year 8 months 1 day  
Exercise Price $29.25    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Exercise Price (in dollars per share) $ 29.25  
Number of Common Shares Subject to SARs Outstanding & Exercisable (in shares) 6,428  
Weighted-Average Remaining Contractual Life 9 months 1 day