Share-Based Compensation (Tables)
 12 Months Ended
Mar. 31, 2020
Share-based Payment Arrangement [Abstract]  
Schedule of Assumptions Used
The following weighted-average assumptions were used for options granted during fiscal 2020, fiscal 2019 and fiscal 2018:
 
 
Fiscal 2020
 
Fiscal 2019
 
Fiscal 2018
Risk-free interest rate
 
2.26
%
 
2.64
%
 
2.01
%
Expected life of options
 
6.2 years

 
6.2 years

 
5.7 years

Expected dividend yield of stock
 
1.22
%
 
1.47
%
 
1.58
%
Expected volatility of stock
 
20.27
%
 
19.91
%
 
22.08
%
Schedule of Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Outstanding
A summary of share option activity is as follows:
 
 
Number of
Options
 
Weighted
Average
Exercise
Price
 
Average
Remaining
Contractual
Term
 
Aggregate
Intrinsic
Value
Outstanding at March 31, 2019
 
2,104,685

 
$
72.82

 
 
 
 
Granted
 
345,138

 
147.22

 
 
 
 
Exercised
 
(613,086
)
 
57.29

 
 
 
 
Forfeited
 
(40,611
)
 
122.61

 
 
 
 
Outstanding at March 31, 2020
 
1,796,126

 
$
91.29

 
6.8 years
 
$
89,800

Exercisable at March 31, 2020
 
922,708

 
$
69.52

 
5.6 years
 
$
65,136
Schedule of Share-based Compensation, Restricted Stock and Restricted Stock Units Activity
A summary of the non-vested restricted share activity is presented below:
 
 
Number of
Restricted
Shares
 
Number of Restricted Share Units
 
Weighted-Average
Grant Date
Fair Value
Non-vested at March 31, 2019
 
676,373

 
33,219

 
$
80.86

Granted
 
156,901

 
14,553

 
135.86

Vested
 
(221,606
)
 
(14,999
)
 
74.63

Forfeited
 
(35,838
)
 
(1,879
)
 
93.56

Non-vested at March 31, 2020
 
575,830

 
30,894

 
$
98.07