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STOCKHOLDERS' EQUITY (Tables)
 12 Months Ended
Dec. 31, 2021
Stockholders' Equity Note [Abstract]  
Schedule of Compensation Cost on Net Earnings
The Company’s results for the years ended December 31, 2021, 2020 and 2019 reflected the following compensation cost and such compensation cost had the following effects on net earnings:
 Increase/(Decrease) for the
Year Ended, December 31
 202120202019
Cost of sales$845 $1,115 $1,147 
Operating expenses9,957 7,188 6,449 
Net earnings(8,370)(6,332)(5,884)
Schedule of Assumptions Used in the Valuation of Option Awards Risk-free interest rates are based on the implied yields currently available on U.S. Treasury zero coupon issues with a remaining term equal to the expected life.
Year Ended December 31,
Weighted Average Assumptions:202120202019
Expected Volatility32.9 %26.9 %24.0 %
Expected Term (in years)4.93.94.0
Risk-Free Interest Rate0.5 %1.3 %2.5 %
Dividend Yield0.5 %0.5 %0.6 %
Summary of Stock Option Activity
A summary of stock option plan activity for 2021, 2020, and 2019 for all plans is as follows:

202120202019
# of
Shares
(000s)		Weighted Average
Exercise Price		# of
Shares
(000s)		Weighted Average
Exercise Price		# of
Shares
(000s)		Weighted Average
Exercise Price
Outstanding at beginning of year858 $80.58 951 $68.18 887 $61.59 
Granted129 119.12 174 111.75 197 85.13 
Exercised(109)63.42 (256)55.26 (112)43.67 
Forfeited(10)106.93 (11)92.94 (17)80.88 
Cancelled(1)74.57 — — (4)70.90 
Outstanding at end of year867 $88.19 858 $80.58 951 $68.18 
Exercisable at end of year538 $75.51 494 $69.04 581 $59.29 
Schedule of Other Information Pertaining to Stock Option Activity Other information pertaining to option activity during the years ended December 31, 2021, 2020 and 2019 is as follows:
 Years Ended December 31,
 202120202019
Weighted-average fair value of options granted$33.11 $24.36 $18.51 
Total intrinsic value of stock options exercised ($000s)$7,866 $12,698 $6,135 
Schedule of Additional Information Relating to Stock Options Outstanding
Additional information related to stock options outstanding under all plans at December 31, 2021 is as follows:

  Options OutstandingOptions Exercisable
Range of Exercise
Prices		Shares
Outstanding
(000s)		Weighted
Average
Remaining
Contractual
 Term		Weighted
Average
 Exercise
Price		Number
Exercisable
(000s)		Weighted
Average
Exercise
Price
$29.06 - $57.17
26 2.1$47.26 26 $47.26 
$58.52 - $85.40
541 5.575.55 476 74.37 
$91.56 - $120.60
300 8.5114.46 36 109.84 
 867 6.4$88.19 538 $75.51 
Schedule of Non-vested Restricted Stock Activity
Non-vested restricted stock activity for the years ended December 31, 2021, 2020 and 2019 is summarized below:

202120202019
 Shares (000s)Weighted
Average Grant
Date Fair
Value		Shares (000s)Weighted
Average Grant
Date Fair
Value		Shares (000s)Weighted
Average Grant
Date Fair
Value
Non-vested balance at beginning of year 159 $90.71 138 $80.03 79 $72.75 
Granted42 123.58 46 110.53 73 85.69 
Vested(24)85.83 (21)67.60 (8)58.52 
Forfeited(11)90.49 (4)91.91 (6)84.65 
Non-vested balance at end of year 166 $99.70 159 $90.71 138 $80.03 
Schedule of Non-vested Performance Share Activity
Non-vested performance share activity for the years ended December 31, 2021, 2020 and 2019 is summarized below:
202120202019
 Shares (000s)Weighted
Average Grant
Date Fair
Value		Shares (000s)Weighted
Average Grant
Date Fair
Value		Shares (000s)Weighted
Average Grant
Date Fair
Value
Non-vested balance at beginning of year 71 $91.99 70 $81.26 53 $75.61 
Granted36 108.74 20 126.46 33 81.79 
Vested(24)70.64 (8)104.15 (9)65.54 
Forfeited(14)81.03 (11)82.71 (7)60.85 
Non-vested balance at end of year 69 $110.72 71 $91.99 70 $81.26