XML 58 R42.htm IDEA: XBRL DOCUMENT v3.8.0.1
Stock Plans and Stock Based Compensation (Tables)
 12 Months Ended
Dec. 31, 2017
Disclosure of Compensation Related Costs, Share-based Payments [Abstract]  
Schedule of stock options and stock appreciation rights
The following table presents the activity related to stock options and SARs under all plans for the year ended December 31, 2017.  
 
Number of Shares/Rights
 
Weighted Average Exercise Price
 
Weighted Average Remaining Contractual Term
 
Aggregate Intrinsic Value
Outstanding at January 1, 2017
338,516

 
$
45.56

 
 
 
 
Granted
0

 
0.00

 
 
 
 
Exercised
(66,878
)
 
37.96

 
 
 
 
Forfeited
(2,132
)
 
58.58

 
 
 
 
Outstanding at December 31, 2017
269,506

 
$
47.34

 
5.32
 
$
9,167,831

Exercisable at December 31, 2017
130,610

 
$
41.88

 
3.76
 
$
5,155,065
Schedule of intrinsic value of options, SARs, and restricted stock
Net cash proceeds, tax benefits and intrinsic value related to total stock options, SARs, and restricted stock exercised is as follows: 

(in thousands)
2017
 
2016
 
2015
Net proceeds from stock option exercises
$
(641
)
 
$
(806
)
 
$
1,382

Tax benefits related to stock option and SAR exercises and vesting of restricted shares
1,634

 
1,433

 
358

Intrinsic value of stock option exercises
3,139

 
3,718

 
3,014
Schedule of total stock options exercised
Net cash proceeds, tax benefits and intrinsic value related to total stock options, SARs, and restricted stock exercised is as follows: 

(in thousands)
2017
 
2016
 
2015
Net proceeds from stock option exercises
$
(641
)
 
$
(806
)
 
$
1,382

Tax benefits related to stock option and SAR exercises and vesting of restricted shares
1,634

 
1,433

 
358

Intrinsic value of stock option exercises
3,139

 
3,718

 
3,014
Schedule of valuation model estimates fair value based on the assumptions
 
2017
 
2016
 
2015
Weighted per share average fair value at grant date
N/A
 
$
12.88

 
$
8.96

Risk-free interest rate
N/A
 
1.57
%
 
1.80
%
Expected dividend yield
N/A
 
3.00
%
 
3.80
%
Volatility
N/A
 
24.58
%
 
25.32
%
Expected life (years)
N/A
 
5.50

 
6.00
Schedule of options outstanding
December 31, 2017
 
 
 
 
 
 
Options and SARs Outstanding
 
Options and SARs Exercisable
Range of Exercise Prices
 
Number Outstanding
 
Weighted Average Remaining Contractual Life
 
Weighted Average Exercise Price
 
Number Exercisable
 
Weighted Average Exercise Price
$20.01-29.30
 
1,734

 
3.43
 
$
21.65

 
1,734

 
$
21.65

$29.31-35.70
 
626

 
0.96
 
$
30.96

 
626

 
$
30.96

$35.71-37.50
 
48,855

 
3.60
 
$
37.00

 
35,826

 
$
37.00

$37.51-41.00
 
38,447

 
5.27
 
$
40.60

 
15,248

 
$
40.60

$41.01-50.00
 
115,236

 
4.57
 
$
45.92

 
70,058

 
$
43.79

$50.01-60.00
 
45,117

 
7.79
 
$
56.29

 
7,118

 
$
56.29

$60.01-86.18
 
19,491

 
8.79
 
$
77.01

 
0

 


 
 
269,506

 
5.32
 
$
47.34

 
130,610

 
$
41.88
Schedule of restricted stock awards
The following table presents activity related to restricted stock awards for the twelve months ended December 31, 2017. 
 
 
Number of Shares
 
Weighted Average Fair Value
Unvested at January 1, 2017
251,716

 
$
54.46

Granted
59,333

 
79.51

Vested
(44,073
)
 
46.76

Forfeited
(5,603
)
 
60.72

Unvested at December 31, 2017
261,373

 
$
61.32