v2.3.0.11
Incentive Stock Compensation Plans (Details) (USD $)
3 Months Ended 9 Months Ended 12 Months Ended 3 Months Ended 9 Months Ended
Aug. 28, 2011
years
Aug. 29, 2010
Aug. 28, 2011
years
Aug. 29, 2010
Aug. 28, 2011
2001 Plan [Member]
Aug. 28, 2011
2004 Plan [Member]
Aug. 28, 2011
2004 Plan [Member]
Restricted Stock [Member]
Aug. 28, 2011
Other Plans [Member]
Nov. 30, 2007
Key Employee [Member]
Feb. 28, 2010
Key Employee [Member]
May 30, 2010
Key Employee [Member]
Performance Stock Units [Member]
Aug. 28, 2011
Restricted Stock [Member]
Aug. 29, 2010
Restricted Stock [Member]
Aug. 28, 2011
Restricted Stock [Member]
Aug. 29, 2010
Restricted Stock [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                              
Number of new shares available for awards           525,000                  
Discount of market value on the date of grant         100.00% 100.00%                  
Vesting period         10 years 4 years 3 years 4 years              
Expiration period         10 years 10 years   10 years              
Number of shares issued               2,000     8,000        
Compensation expense $ 324,000 $ 286,000 $ 1,552,000 $ 1,719,000                      
Tax benefit related to compensation expense 126,000 112,000 605,000 670,000                      
Capitalized share-based compensation costs 0 0 0 0                      
Tax deficiency related to stock-based compensation     836,000 689,000                      
Stock option activity [Roll Forward]                              
Number of shares outstanding, beginning     23,052                        
Number of shares granted     0 0         18,000            
Number of shares exercised     (2,000) (11,250)                      
Number of shares outstanding, ending 21,052   21,052   6,000 15,052   0              
Weighted average exercise price for shares outstanding, beginning     $ 43.07                        
Weighted average exercise price for shares granted $ 0.00   $ 0.00                        
Weighted average exercise price for shares exercised $ 20.28   $ 20.28                        
Weighted average exercise price for shares outstanding, ending $ 45.23   $ 45.23                        
Weighted average remaining contractual term for shares outstanding (in years) 3.16   3.16                        
Aggregate intrinsic value for shares outstanding 890,000   890,000                        
Number of shares exercisable 20,102   20,102                        
Weighted average exercise price for shares exercisable $ 42.58   $ 42.58                        
Weighted average remaining contractual term for shares exercisable (in years)     3.01                        
Aggregate intrinsic value for shares exercisable 890,000   890,000                        
Total unrecognized compensation cost related to stock-based compensation 2,185,000   2,185,000                        
Total unrecognized compensation cost related to stock-based compensation, weighted-average period of recognition (in years)     3                        
Restricted Stock [Abstract]                              
Restricted stock granted                       500 0 39,400 22,300
Weighted average grant date fair value for restricted stock granted                       $ 66.63   $ 69.76 $ 65.67
Fair value of restricted stock vested                       369,000 0 2,042,000 3,381,000
Restricted stock forfeited                           500 6,000
Fair value of restricted stock forfeited                           35,000 286,000
Number of shares vested                   18,000          
Net cash proceeds from stock options exercised     $ 41,000 $ 332,000