STOCK-BASED PLANS (Tables)

6 Months Ended

Jun. 30, 2017

STOCK-BASED PLANS

Summary of stock option plan activity

	Stock Options	Weighted Average Exercise Price
Stock Options outstanding at December 31, 2016	1,176,640	$	78.87
Granted	46,000		119.38
Exercised	(350,337)		58.48
Forfeited	(40,000)		100.21
Expired	(1,000)		57.77
Stock Options outstanding at June 30, 2017	831,303		88.71

Summary of restricted stock activity

	Restricted Stock	Weighted Average Grant Date Fair Value
Restricted stock outstanding at December 31, 2016	289,112	$	88.88
Granted	98,883		79.64
Vested	(23,629)		84.20
Forfeited	(17,034)		87.04
Restricted stock outstanding at June 30, 2017	347,332		86.66