Stock Option Plans (Tables)

12 Months Ended

Mar. 31, 2016

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 fiscal 2016 and 2015 are as follows:

	2016			2015
Dividend Yield		2.0	%		2.0	%
Expected Volatility		36.5	%		44.8	%
Risk Free Interest Rate		1.85	%		1.86	%
Expected Life		6.0 years			6.0 years

Stock Option Activity

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

	For the Years Ended March 31,
	2016					2015					2014
	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		1,665,565		$	46.37		2,788,999		$	41.83		3,022,592		$	37.83
Granted		318,572		$	79.83		297,151		$	86.41		256,989		$	68.00
Exercised		(137,874	)	$	27.58		(151,085	)	$	32.38		(485,582	)	$	29.72
Cancelled		(28,500	)	$	86.35		(1,269,500	)	$	47.43		(5,000	)	$	53.22
Outstanding Options at End of Year		1,817,763		$	53.03		1,665,565		$	46.37		2,788,999		$	41.83
Options Exercisable at End of Year		1,285,412					1,035,166					818,215
Weighted Average Fair Value of Options Granted during the Year				$	24.27				$	32.31				$	26.35

Stock Options Outstanding

The following table summarizes information about stock options outstanding at March 31, 2016:

	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 - $30.74		476,671		4.04	$	26.59		474,671	$	26.58
$33.08 - $37.95		465,933		5.98	$	33.91		445,933	$	33.87
$53.22 - $74.10		307,936		7.06	$	66.10		194,825	$	66.64
$79.73 - $93.56		567,223		8.75	$	83.87		169,983	$	86.67
		1,817,763		6.52	$	53.03		1,285,412	$	43.12