STOCKHOLDERS' EQUITY (Tables)

3 Months Ended

Mar. 31, 2021

Stockholders' Equity Note [Abstract]

Schedule of Compensation Cost on Net Earnings

The Company’s results for the three months ended March 31, 2021 and 2020 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 March 31,
	2021		2020
Cost of sales	$	299	$	266
Operating expenses	2,323		1,915
Net earnings	(2,022)		(1,663)

Schedule of Stock Option Activity

Option activity for the three months ended March 31, 2021 and 2020 is summarized below:

For the three months ended March 31, 2021	Shares (000s)	Weighted Average Exercise Price		Aggregate Intrinsic Value		Weighted Average Remaining Contractual Term
Outstanding as of December 31, 2020	858	$	80.58	$	29,735
Granted	129	119.11
Exercised	(34)	70.53
Forfeited	(2)	101.38
Canceled	(1)	74.57
Outstanding as of March 31, 2021	950	$	86.11	$	37,322	7.0
Exercisable as of March 31, 2021	604	$	73.11	$	31,603	5.8

For the three months ended March 31, 2020	Shares (000s)	Weighted Average Exercise Price		Aggregate Intrinsic Value		Weighted Average Remaining Contractual Term
Outstanding as of December 31, 2019	951	$	68.18	$	31,814
Granted	145	111.94
Exercised	(82)	54.39
Forfeited	(4)	89.90
Canceled	—	—
Outstanding as of March 31, 2020	1,010	$	75.48	$	25,399	6.7
Exercisable as of March 31, 2020	664	$	65.39	$	22,131	5.4

Schedule of Other Information Pertaining to Stock Option Activity

Other information pertaining to option activity during the three months ended March 31, 2021 and 2020 was as follows:

	Three Months Ended March 31,
	2021		2020
Weighted-average fair value of options granted	$	33.10	$	23.05
Total intrinsic value of stock options exercised ($000s)	$	1,917	$	4,019

Schedule of Non-vested Restricted Stock Activity

Non-vested restricted stock activity for the three months ended March 31, 2021 and 2020 is summarized below:

	Three Months Ended March 31,
	2021			2020
	Shares (000s)	Weighted Average Grant Date Fair Value		Shares (000s)	Weighted Average Grant Date Fair Value
Non-vested balance as of December 31	159	$	90.71	138	$	80.03
Granted	36	119.11		34	111.44
Vested	(10)	85.37		(20)	67.43
Forfeited	(2)	86.69		(1)	86.82
Non-vested balance as of March 31	183	$	96.70	151	$	89.21

Schedule of Non-vested Performance Share Activity

Non-vested performance share activity for the three months ended March 31, 2021 and 2020 is summarized below:

	Three Months Ended March 31,
	2021			2020
	Shares (000s)	Weighted Average Grant Date Fair Value		Shares (000s)	Weighted Average Grant Date Fair Value
Non-vested balance as of December 31	71	$	91.99	70	$	81.26
Granted	36	108.74		20	126.46
Vested	(24)	70.64		(8)	104.15
Forfeited	(11)	74.57		(11)	82.71
Non-vested balance as of March 31	72	$	110.22	71	$	91.99