STOCK-BASED PLANS (Tables)

9 Months Ended

Sep. 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	54,000		119.18
Exercised	(357,247)		58.45
Forfeited	(47,000)		104.82
Expired	(1,000)		57.77
Stock Options outstanding at September 30, 2017	825,393		88.89

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	124,621		87.11
Vested	(23,629)		84.20
Forfeited	(31,370)		85.56
Restricted stock outstanding at September 30, 2017	358,734		88.86