STOCKHOLDERS' EQUITY (Tables)

9 Months Ended

Sep. 30, 2017

The Company’s results for the three and nine months ended September 30, 2017 and 2016 reflected the following stock-based compensation cost, and such compensation cost had the following effects on net earnings:

	Increase/(Decrease) for the Three Months Ended September 30,
	2017				2016
Cost of sales		$	174			$	260
Operating expenses			1,288				1,436
Net earnings			(944	)			(1,114	)

	Increase/(Decrease) for the Nine Months Ended September 30,
	2017				2016
Cost of sales		$	318			$	780
Operating expenses			4,028				4,867
Net earnings			(2,775	)			(3,587	)

Summary of Stock Option Activity

Option activity for the nine months ended September 30, 2017 and 2016 is summarized below:

For the nine months ended September 30, 2017	Shares (000s)			Weighted Average Exercise Price		Aggregate Intrinsic Value		Weighted Average Remaining Contractual Term
Outstanding as of December 31, 2016		1,066		$	45.32	$	41,161
Granted		220			85.23
Exercised		(256	)		37.16
Forfeited		(47	)		71.81
Cancelled		(22	)		57.48
Outstanding as of September 30, 2017		961		$	55.06	$	25,995		6.8
Exercisable as of September 30, 2017		504		$	40.45	$	20,592		5.1

For the nine months ended September 30, 2016	Shares (000s)			Weighted Average Exercise Price		Aggregate Intrinsic Value		Weighted Average Remaining Contractual Term
Outstanding as of December 31, 2015		1,017		$	37.29	$	23,927
Granted		338			60.78
Exercised		(198	)		31.03
Forfeited		-			-
Outstanding as of September 30, 2016		1,157		$	45.22	$	37,435		6.6
Exercisable as of September 30, 2016		644		$	34.29	$	27,857		4.9

Other Information Pertaining to Stock Option Activity

Other information pertaining to option activity during the three and nine months ended September 30, 2017 and 2016 was as follows:

	Three Months Ended September 30,				Nine Months Ended September 30,
	2017		2016		2017		2016
Weighted-average fair value of options granted	$	-	$	-	$	23.21	$	18.45
Total intrinsic value of stock options exercised ($000s)	$	3,566	$	4,423	$	11,163	$	6,680

Non-vested Restricted Stock Activity

Non-vested restricted stock activity for the nine months ended September 30, 2017 and 2016 is summarized below:

Nine months ended September 30, 2017	Shares (000s)			Weighted Average Grant Date Fair Value
Non-vested balance as of December 31, 2016		102		$	54.18
Granted		9			85.40
Vested		(43	)		50.30
Forfeited		(4	)		55.45
Non-vested balance as of September 30, 2017		64		$	61.29

Nine months ended September 30, 2016	Shares (000s)			Weighted Average Grant Date Fair Value
Non-vested balance as of December 31, 2015		150		$	47.46
Granted		18			60.85
Vested		(52	)		42.36
Forfeited		-			-
Non-vested balance as of September 30, 2016		116		$	51.83

Non-vested Performance Share Activity

Non-vested performance share activity for the nine months ended September 30, 2017 and 2016 is summarized below:

Nine months ended September 30, 2017	Shares (000s)			Weighted Average Grant Date Fair Value
Non-vested balance as of December 31, 2016		34		$	61.06
Granted		16			93.85
Vested		-			-
Forfeited		(11	)		69.25
Non-vested balance as of September 30, 2017		39		$	72.62

Nine months ended September 30, 2016	Shares (000s)			Weighted Average Grant Date Fair Value
Non-vested balance as of December 31, 2015		20		$	58.77
Granted		21			63.15
Vested		-			-
Forfeited		(4	)		60.87
Non-vested balance as of September 30, 2016		37		$	61.04