v3.8.0.1
Note 11 - Stock-based Compensation (Tables)
 9 Months Ended
Nov. 25, 2017
Notes Tables  
Schedule of Share-based Payment Award, Stock Options, Valuation Assumptions [Table Text Block]
    Nine Months Ended
Black-Scholes Valuation Assumptions  (1)   November 25,
2017		   November 26,
2016
         
Weighted Average Expected Life (in years)  (2)    
6.7
      
6.6
  
Weighted Average Expected Volatility  (3)    
26.49
 %    
26.96
 %
Weighted Average Risk Free Interest Rates  (4)    
2.17
 %    
1.46
 %
Expected Dividend Yield (5)    
1.60
 %    
1.10
 %
Share-based Compensation, Stock Options, Activity [Table Text Block]
(Shares in thousands)   Number of Stock
Options		   Weighted Average
Exercise Price
Options outstanding, beginning of period    
3,906
     $
56.48
  
Granted    
694
      
37.50
  
Exercised    
(359
 )    
28.33
  
Forfeited or expired    
-
      
-
  
Options outstanding, end of period    
4,241
     $
55.76
  
Options exercisable, end of period    
2,447
     $
60.38
  
Schedule of Share-based Compensation, Restricted Stock Units Award Activity [Table Text Block]
(Shares in thousands)   Number of Restricted
Shares		   Weighted Average
Grant-Date Fair
Value
Unvested restricted stock, beginning of period    
3,492
     $
58.12
  
Granted    
1,738
      
35.54
  
Vested    
(720
 )    
59.46
  
Forfeited    
(264
 )    
50.20
  
Unvested restricted stock, end of period    
4,246
     $
49.14
  
Share-based Compensation, Performance Shares Award Nonvested Activity [Table Text Block]
(Shares in thousands)   Number of Performance
Stock Units		   Weighted Average
Grant-Date Fair
Value
Unvested performance stock units, beginning of period    
1,014
     $
55.19
  
Granted    
660
      
37.50
  
Vested    
(322
 )    
57.28
  
Forfeited    
-
      
-
  
Unvested performance stock units, end of period    
1,352
     $
46.06