STOCK-BASED PLANS (Tables)

3 Months Ended

Mar. 31, 2016

STOCK-BASED PLANS

Summary of stock option plan activity

	Stock Options	Weighted Average Exercise Price
Stock Options outstanding at December 31, 2015	1,086,040	$	77.11
Granted	128,500		108.40
Forfeited	(6,500)		106.77
Stock Options outstanding at March 31, 2016	1,208,040		80.28

Summary of restricted stock activity

	Restricted Stock	Weighted Average Grant Date Fair Value
Restricted stock outstanding at December 31, 2015	242,556	$	100.15
Granted	117,338		60.54
Vested	(20,000)		68.56
Restricted Stock outstanding at March 31, 2016	339,894		88.34