STOCKHOLDERS' EQUITY (Tables)

9 Months Ended

Sep. 30, 2019

Stockholders' Equity Note [Abstract]

Schedule of Compensation Cost on Net Earnings

The Company’s results for the three and nine months ended September 30, 2019 and 2018 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,						Increase/(Decrease) for the Nine Months Ended September 30,
	2019			2018			2019			2018
Cost of sales	$	288		$	242		$	864		$	729
Operating expenses	1,807			1,507			4,853			4,479
Net earnings	(1,610		)	(1,339		)	(4,401		)	(3,996		)

Schedule of Stock Option Activity

Option activity for the nine months ended September 30, 2019 and 2018 is summarized below:

For the nine months ended September 30, 2019	Shares (000s)		Weighted Average Exercise Price		Aggregate Intrinsic Value		Weighted Average Remaining Contractual Term
Outstanding as of December 31, 2018	887		$	61.59	$	16,192
Granted	187		84.29
Exercised	(82	)	45.44
Forfeited	(11	)	80.38
Canceled	(4	)	70.90
Outstanding as of September 30, 2019	977		$	67.06	$	31,356	6.5
Exercisable as of September 30, 2019	608		$	58.25	$	24,904	5.1

For the nine months ended September 30, 2018	Shares (000s)		Weighted Average Exercise Price		Aggregate Intrinsic Value		Weighted Average Remaining Contractual Term
Outstanding as of December 31, 2017	946		$	55.44	$	24,714
Granted	148		74.57
Exercised	(191	)	42.74
Forfeited	(2	)	75.44
Canceled	(1	)	28.63
Outstanding as of September 30, 2018	900		$	61.27	$	45,745	6.5
Exercisable as of September 30, 2018	496		$	49.88	$	30,875	5.1

Schedule of Other Information Pertaining to Stock Option Activity

Other information pertaining to option activity during the three and nine months ended September 30, 2019 and 2018 was as follows:

	Three Months Ended September 30,				Nine Months Ended September 30,
	2019		2018		2019		2018
Weighted-average fair value of options granted	$	—	$	—	$	18.27	$	18.62
Total intrinsic value of stock options exercised ($000s)	$	3,021	$	2,743	$	4,320	$	9,943

Schedule of Non-vested Restricted Stock Activity

Non-vested restricted stock activity for the nine months ended September 30, 2019 and 2018 is summarized below:

Nine Months ended September 30, 2019	Shares (000s)		Weighted Average Grant Date Fair Value
Non-vested balance as of December 31, 2018	79		$	72.75
Granted	67		84.44
Vested	(8	)	58.52
Forfeited	(5	)	85.49
Non-vested balance as of September 30, 2019	133		$	79.07

Nine months ended September 30, 2018	Shares (000s)		Weighted Average Grant Date Fair Value
Non-vested balance as of December 31, 2017	66		$	65.66
Granted	40		77.17
Vested	(17	)	57.65
Forfeited	—		—
Non-vested balance as of September 30, 2018	89		$	72.44

Schedule of Non-vested Performance Share Activity

Non-vested performance share activity for the nine months ended September 30, 2019 and 2018 is summarized below:

Nine Months ended September 30, 2019	Shares (000s)		Weighted Average Grant Date Fair Value
Non-vested balance as of December 31, 2018	53		$	75.61
Granted	33		81.79
Vested	(9	)	65.64
Forfeited	(7	)	60.85
Non-vested balance as of September 30, 2019	70		$	81.26

Nine months ended September 30, 2018	Shares (000s)		Weighted Average Grant Date Fair Value
Non-vested balance as of December 31, 2017	39		$	72.62
Granted	32		71.27
Vested	(15	)	58.78
Forfeited	—		—
Non-vested balance as of September 30, 2018	56		$	75.47