STOCK-BASED PLANS (Tables)

9 Months Ended

Sep. 30, 2018

Disclosure of Compensation Related Costs, Share-based Payments [Abstract]

Summary of stock option plan activity

The following table summarizes the Company's stock option plan activity for the nine months ended September 30, 2018:

	Stock Options		Weighted Average Exercise Price
Stock Options outstanding at December 31, 2017	783,182		$	90.22
Granted	254,000		125.53
Exercised	(178,052	)	65.81
Forfeited	(39,500	)	121.71
September 30, 2018	819,630		$	104.95

Summary of restricted stock activity

The following table summarizes restricted stock activity for the nine months ended September 30, 2018:

	Restricted Stock		Weighted Average Grant Date Fair Value
Restricted stock outstanding at December 31, 2017	354,519		$	89.00
Granted	141,332		82.96
Vested	(10,644	)	114.33
Forfeited	(18,897	)	83.16
Restricted stock outstanding at September 30, 2018	466,310		$	86.83