STOCK OPTION PLANS (Tables)

12 Months Ended

Mar. 31, 2018

Disclosure Of Compensation Related Costs Sharebased Payments [Abstract]

Weighted-Average Assumptions Used to Value Option Awards

The weighted-average assumptions used in the Black-Scholes model to value the option awards in fiscal2018 and2017 are as follows:

	2018			2017
Dividend Yield		1.3	%		1.3	%
Expected Volatility		36.3	%		36.5	%
Risk Free Interest Rate		2.10	%		1.40	%
Expected Life	6.0 years			6.0 years

Stock Option Activity

The following table shows stock option activity for the years presented:

	For the Years Ended March 31,
	2018					2017					2016
	Number of Shares			Weighted Average Exercise Price		Number of Shares			Weighted Average Exercise Price		Number of Shares			Weighted Average Exercise Price
Outstanding Options at Beginning of Year		1,323,379		$	66.07		1,817,763		$	53.03		1,665,565		$	46.37
Granted		119,986		$	100.20		202,364		$	77.76		318,572		$	79.83
Exercised		(448,295	)	$	60.27		(677,566	)	$	34.46		(137,874	)	$	27.58
Cancelled		(36,934	)	$	79.97		(19,182	)	$	70.30		(28,500	)	$	86.35
Outstanding Options at End of Year		958,136		$	72.52		1,323,379		$	66.07		1,817,763		$	53.03
Options Exercisable at End of Year		651,218					874,116					1,285,412
Weighted Average Fair Value of Options Granted during the Year				$	33.37				$	25.22				$	24.27

Stock Options Outstanding

The following table summarizes information about stock options outstanding at March 31,2018:

	Options Outstanding						Options Exercisable
Range of Exercise Prices	Number of Shares Outstanding		Weighted Average Remaining Contractual Life		Weighted Average Exercise Price		Number of Shares Outstanding		Weighted Average Exercise Price
$23.17 - $29.84		65,912		3.35	$	23.27		65,912	$	23.27
$33.43 - $37.34		99,582		4.21	$	33.94		99,582	$	33.94
$53.22 - $77.67		307,424		7.00	$	71.12		183,248	$	69.79
$79.73 - $106.00		485,218		7.37	$	88.02		302,476	$	84.72
		958,136		6.65	$	72.52		651,218	$	66.53

Summary of Activity for Nonvested Restricted Shares

The following table summarizes the activity for nonvested restricted shares during the fiscal year ended March 31, 2018:

	Number of Shares			Weighted Average Grant Date Fair Value
Restricted Stock Beginning of Year		371,213		$	60.33
Granted		107,964		$	100.05
Vested		(119,187	)	$	80.04
Forfeited		(31,931	)	$	40.00
Nonvested Restricted Stock at End of Year		328,059		$	65.76