STOCK-BASED COMPENSATION (Tables)

9 Months Ended

Sep. 30, 2022

STOCK-BASED COMPENSATION

Summary of restricted stock activity

		Weighted
	Number of	average grant
	Shares	date fair value
Nonvested stock at December 31, 2021	443,319	$	99.22
Granted	364,460		119.93
Vested	(199,664)		99.70
Forfeited	(49,991)		105.43
Nonvested stock at September 30, 2022	558,124	$	112.02

Summary of performance-based restricted stock units

		Weighted
	Number of	average grant
	Shares	date fair value
Nonvested stock at December 31, 2021	152,410	$	108.41
Granted	64,668		141.41
Vested	(16,834)		96.00
Forfeited	(33,542)		95.40
Nonvested stock at September 30, 2022	166,702	$	125.08