STOCKHOLDERS' EQUITY (Tables)

6 Months Ended

Jun. 30, 2016

The Company’s results for the three and six months ended June 30, 2016 and 2015 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 June 30,
	2016			2015
Cost of sales	$	260		$	214
Operating expenses		1,494			1,298
Net earnings		(1,080	)		(982	)

	Increase/(Decrease) for the Six Months Ended June 30,
	2016			2015
Cost of sales	$	520		$	426
Operating expenses		3,431			2,260
Net earnings		(2,473	)		(1,743	)

Summary of stock option activity

Option activity for the six months ended June 30, 2016 and 2015 is summarized below:

For the six months ended June 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		(86	)		34.93
Forfeited		-			-
Outstanding as of June 30, 2016		1,269		$	43.71	$	20,626		6.6
Exercisable as of June 30, 2016		742		$	33.03	$	19,769		4.9

For the six months ended June 30, 2015	Shares (000s)			Weighted Average Exercise Price		Aggregate Intrinsic Value		Weighted Average Remaining Contractual Term
Outstanding as of December 31, 2014		1,470		$	27.35	$	57,742
Granted		207			58.34
Exercised		(519	)		19.12
Forfeited		(12	)		50.46
Outstanding as of June 30, 2015		1,146		$	36.45	$	22,660		6.6
Exercisable as of June 30, 2015		718		$	26.77	$	20,785		5.2

Other information pertaining to stock option activity

Other information pertaining to option activity during the three and six months ended June 30, 2016 and 2015 was as follows:

	Three Months Ended June 30,						Six Months Ended June 30,
	2016			2015			2016		2015
Weighted-average fair value of options granted		$	17.80		$	17.07	$	18.45	$	18.35
Total intrinsic value of stock options exercised ($000s)		$	1,242		$	12,244	$	2,257	$	20,284

Non-vested restricted stock activity

Non-vested restricted stock activity for the six months ended June 30, 2016 and 2015 is summarized below:

Six months ended June 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 June 30, 2016		116		$	51.83

Six months ended June 30, 2015	Shares (000s)			Weighted Average Grant Date Fair Value
Non-vested balance as of December 31, 2014		134		$	38.13
Granted		76			55.77
Vested		(11	)		16.69
Forfeited		-			-
Non-vested balance as of June 30, 2015		199		$	46.11

Non-vested performance share activity

Non-vested performance share activity for the six months ended June 30, 2016 and 2015 is summarized below:

Six months ended June 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 June 30, 2016		37		$	61.04

Six months ended June 30, 2015	Shares (000s)			Weighted Average Grant Date Fair Value
Non-vested balance as of December 31, 2014		-		$	-
Granted		29			58.77
Vested		-			-
Forfeited		(9	)		58.77
Non-vested balance as of June 30, 2015		20		$	58.77