Stock Options (Tables)

12 Months Ended

Dec. 31, 2017



	2017	2016	2015
Options available for grant at end of year	176,294	207,608	232,522

Following is a summary of activity in the Restricted Stock Awards for the periods indicated:



	2017				2016				2015
	Shares		Exercise Price*		Shares		Exercise Price*		Shares		Exercise Price*
Options outstanding at beginning of year	45,621		$	54.58	32,616		$	53.31	12,043		$	44.10
Granted	33,620		84.34		27,440		55.17		26,004		54.14
Exercised	(16,189	)	56.03		(11,909	)	52.67		(5,431	)	36.85
Canceled	—		—		(2,526	)	53.57		—		—
Options outstanding at end of year	63,052		70.08		45,621		54.58		32,616		53.31

*Weighted Averages

Following is a summary of activity in the Incentive Stock Option Plans for the periods indicated:



	2017				2016				2015
	Shares		Exercise Price*		Shares		Exercise Price*		Shares		Exercise Price*
Options outstanding at beginning of year	220,820		$	37.39	254,195		$	34.64	301,800		$	30.73
Granted	10,750		83.99		21,000		54.87		29,500		53.95
Exercised	(54,945	)	24.83		(43,775	)	26.59		(75,355	)	26.11
Canceled	(3,750	)	54.57		(10,600	)	50.68		(1,750	)	53.61
Options outstanding at end of year	172,875		43.91		220,820		37.39		254,195		34.64
Options exercisable at end of year	111,875		$	36.44	136,220		$	29.66	143,345		$	25.69
Options available for grant at end of year	344,950				353,450				370,750

*Weighted Averages

Options outstanding and exercisable at December 31, 2017 were as follows:



Qualified Stock Options	Options Outstanding					Options Exercisable
	Shares	Remaining Contractual Life (yrs)*		Exercise Price*		Shares	Exercise Price*
Range of Exercise Price
$11.45 - $22.55	12,575		0.79	$	17.78	12,575	$	17.78
$24.69 - $42.70	80,650		4.38	$	34.57	73,850	$	33.82
$49.44 - $83.99	79,650		7.50	$	57.48	25,450	$	53.27
Total	172,875					111,875

*Weighted Averages

Following is a summary of activity in the Non-Qualified Stock Option Plans for the periods indicated:



	2017				2016				2015
	Shares		Exercise Price*		Shares		Exercise Price*		Shares		Exercise Price*
Options outstanding at beginning of year	112,400		$	34.48	127,300		$	32.05	132,100		$	31.30
Granted	—		—		—		—		—		—
Exercised	(45,400	)	22.73		(14,900	)	13.73		(4,800	)	11.45
Canceled	—		—		—		—		—		—
Options outstanding at end of year	67,000		42.43		112,400		34.48		127,300		32.05
Options exercisable at end of year	50,400		$	39.86	85,000		$	29.61	83,100		$	24.54

*Weighted Averages

Options outstanding and exercisable as of December 31, 2017 were as follows:



Non-Qualified Stock Options	Options Outstanding					Options Exercisable
	Shares	Remaining Contractual Life (yrs)*		Exercise Price*		Shares	Exercise Price*
Range of Exercise Price
$11.45 - $22.55	8,000		1.36	$	11.45	8,000	$	11.45
$24.69 - $42.70	30,000		5.02	39.99		25,000	39.45
$49.44 - $83.99	29,000		6.37	$	53.51	17,400	$	53.51
Total	67,000					50,400

*Weighted Averages