Stock-Based Compensation Plans Assumptions (Details) |
12 Months Ended | ||
---|---|---|---|
Dec. 31, 2015 |
Dec. 31, 2014 |
Dec. 31, 2013 |
|
Stock Options | |||
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | |||
Risk-free interest rate | 2.44% | 1.27% | |
Volatility of Corporation’s stock | 28.05% | 27.64% | |
Expected dividend yield | 2.36% | 2.48% | |
Expected life of options | 7 years | 7 years | |
Restricted Stock/RSUs/PSUs | |||
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | |||
Risk-free interest rate | 0.86% | ||
Volatility of Corporation’s stock | 20.08% | ||
Expected life of options | 3 years |