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Share-Based Compensation Plans (Tables)
12 Months Ended
Apr. 29, 2016
Share-based Compensation [Abstract]  
Stock Options Activity
The following table summarizes option-related activity for fiscal 2016:
Options
 
Shares Subject to Options
 
Weighted-Average Exercise Price
Outstanding, Beginning of Year
 
48,032

 
$
31.79

Granted
 

 

Exercised
 
(9,585
)
 
26.32

Forfeited or expired
 
(407
)
 
23.22

Outstanding, End of Year
 
38,040

 
$
33.26

 
Shares
 
Weighted-Average Exercise Price
 
Weighted- Average Remaining Contractual Term
 
Aggregate Intrinsic Value
Options outstanding
38,040


$
33.26


2.38

$
467

Options exercisable
38,040


$
33.26


2.38

$
467

Restricted Stock Units and Awards Activity
A summary of the status of our non-vested restricted stock awards and restricted stock units as of April 29, 2016, and changes during fiscal 2016 is presented below:
Restricted Stock Awards
 
Shares
 
Weighted-Average Grant Date Fair Value
Non-vested, Beginning of Year
 
155,949

 
$
41.39

Granted
 
12,078

 
46.63

Vested
 
(66,573
)
 
43.95

Forfeited
 
(11,799
)
 
35.76

Non-vested, End of Year
 
89,655

 
$
40.93

Restricted Stock Units
 
Shares
 
Weighted-Average Grant Date Fair Value
Non-vested, Beginning of Year
 
88,867

 
$
45.40

Granted
 
119,291

 
46.34

Vested
 
(57,059
)
 
46.89

Forfeited
 
(5,981
)
 
47.38

Non-vested, End of Year
 
145,118

 
$
45.51

Performance Share Award Outstanding Values
Performance Share Units
Performance Share Units
 
Shares
 
Weighted-Average Grant Date Fair Value
Non-vested, Beginning of Year
 

 
$

Granted
 
70,270

 
54.76

Vested
 

 

Forfeited
 
(8,524
)
 
54.76

Non-vested, End of Year
 
61,746

 
$
54.76

Performance Share Awards Valuation Assumptions
The weighted-average assumptions used for PSUs in the Monte Carlo simulation during fiscal 2016 was as follows:
 
Fiscal 2016 PSU grants
Grant date market price
$
48.95

Fair value
$
54.76

Assumptions:
 
   Price volatility
29.4
%
   Risk-free interest rate
1.03
%
   Average volatility of peer companies
32.6
%
   Average correlation coefficient of peer companies
0.846