STOCK PLANS (Summary of Stock Option Activity) (Details) - Stock options	12 Months Ended
	Dec. 31, 2022 $ / shares shares
Stock Options, Shares
Balance at beginning of year | shares	1,068,224
Options granted (in shares) | shares	145,213
Options exercised | shares	(94,234)
Options canceled | shares	(591)
Options forfeited | shares	(1,253)
Balance at end of year | shares	1,117,359
Exercisable at end of year | shares	800,353
Stock Options, Weighted Average Exercise Price
Balance at beginning of year, weighted average exercise price (in dollars per share) | $ / shares	$ 86.28
Shares granted, weighted average exercise price (in dollars per share) | $ / shares	128.19
Shares exercised, weighted average exercise price (in dollars per share) | $ / shares	75.16
Shares canceled, weighted average exercise price (in dollars per share) | $ / shares	47.91
Shares forfeited, weighted average exercise price (in dollars per share) | $ / shares	89.63
Balance at end of year, weighted average exercise price (in dollars per share) | $ / shares	93.31
Exercisable at end of year, weighted average exercise price (in dollars per share) | $ / shares	$ 84.22