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Note 8 - Accounting for Share-based Compensation (Tables)
6 Months Ended
Jun. 03, 2017
Notes Tables  
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Weighted Average Grant Date Fair Value [Table Text Block]
 
 
Three Months Ended
 
 
Six Months Ended
 
 
 
June 3, 2017
 
 
May 28, 2016
 
 
June 3, 2017
 
 
May 28, 2016
 
Expected life (in years)
   
 
4.75
 
     
 
4.75
 
     
 
4.75
 
     
 
4.75
 
 
Weighted-average expected volatility
   
 
24.32%
 
     
 
28.55%
 
     
 
24.85%
 
     
 
29.01%
 
 
Expected volatility
   
24.31%
-
24.33%
     
28.00%
 -
29.20%
     
24.31%
 -
24.88%
     
28.00%
 -
29.23%
 
Risk-free interest rate
   
 
1.81%
 
     
 
1.25%
 
     
 
1.89%
 
     
 
1.43%
 
 
Expected dividend yield
   
 
1.11%
 
     
 
1.27%
 
     
 
1.12%
 
     
 
1.55%
 
 
Weighted-average fair value of grants
   
 
$10.90
 
     
 
$9.81
 
     
 
$10.81
 
     
 
$7.72
 
 
Share-based Compensation, Stock Options, Activity [Table Text Block]
 
 
 
 
 
 
Average
 
 
 
Options
 
 
Exercise Price
 
Outstanding at December 3, 2016
   
2,986,481
    $
34.92
 
Granted
   
717,596
     
50.04
 
Exercised
   
(407,288
)    
34.19
 
Forfeited or cancelled
   
(74,113
)    
36.84
 
Outstanding at June 3, 2017
   
3,222,676
    $
38.34
 
Schedule of Nonvested Restricted Stock Units Activity [Table Text Block]
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Weighted-
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Weighted-
 
 
Average
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Average
 
 
Remaining
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Grant
 
 
Contractual
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Date Fair
 
 
Life
 
 
 
Units
 
 
Shares
 
 
Total
 
 
Value
 
 
(in Years)
 
Nonvested at December 3, 2016
   
352,744
     
36,953
     
389,697
    $
38.36
     
1.0
 
Granted
   
281,507
     
-
     
281,507
     
51.31
     
1.7
 
Vested
   
(149,095
)    
(36,953
)    
(186,048
)    
39.79
     
-
 
Forfeited
   
(17,400
)    
-
     
(17,400
)    
37.86
     
1.5
 
Nonvested at June 3, 2017
   
467,756
     
-
     
467,756
    $
44.68
     
1.5
 
Schedule of Deferred Compensation Arrangement with Individual, Share-based Payments [Table Text Block]
 
 
Non-employee
 
 
 
 
 
 
 
 
 
 
 
Directors
 
 
Employees
 
 
Total
 
Units outstanding December 3, 2016
   
424,319
     
41,116
     
465,435
 
Participant contributions
   
8,373
     
4,582
     
12,955
 
Company match contributions
   
837 
     
458 
     
1,295 
 
Payouts
   
(14,143
)    
(7,712
)    
(21,855
)
Units outstanding June 3, 2017
   
419,386
     
38,444
     
457,830