XML 65 R42.htm IDEA: XBRL DOCUMENT v3.8.0.1
SHARE BASED COMPENSATION (Tables)
12 Months Ended
Dec. 31, 2017
Share Based Compensation [Abstract]  
Fair Values of all Options Granted Estimated Using Binomial Option-Pricing Model with Weighted-average Assumptions
201720162015
Dividend yield2.45%3.48%3.40%
Weighted average expected volatility40.27%41.54%42.98%
Weighted average risk-free interest rate2.14%1.42%1.42%
Weighted average expected lives (in years)5.675.715.42
Weighted average grant-date fair value$13.42$7.75$7.63
Summary of Share Option Activity
Weighted
NumberWeightedAverageAggregate
ofAverageContractualIntrinsic
CommonExerciseRemainingValue
SharesShare PriceLife(Years)(in thousands)
Balance at January 1, 2017108,503$22.46$1,902
Granted12,941$42.48
Exercised(30,567)$19.39$669
Forfeited or expired(3,577)$30.07
Balance at December 31, 201787,300$26.223.5$1,160
Exercisable at December 31, 201756,815$22.422.5$943
Weighted average fair value of options
granted during the year$13.42
Summary of Activity for Company's Restricted Stock
NumberWeighted
ofAverage
CommonGrant-Date
(In dollars, except share data):SharesFair Value
Restricted stock at January 1, 2017212,646$25.19
Granted55,211$42.48
Vested(70,382)$23.77
Forfeited(8,440)$27.42
Restricted stock at December 31, 2017189,035$30.67