Note 8 - Stock-Based Compensation (Details) - USD ($)
$ / shares in Units, $ in Thousands, shares in Millions
3 Months Ended
May. 30, 2015
May. 31, 2014
Note 8 - Stock-Based Compensation (Details) [Line Items]    
Allocated Share-based Compensation Expense (in Dollars) $ 17,700 $ 18,200
Allocated Share-based Compensation Expense, Net of Tax (in Dollars) $ 11,100 $ 11,400
Stock Based Compensation Expense Impact On Diluted Earnings Per Share (in Dollars per share) $ 0.06 $ 0.06
Employee Service Share-based Compensation, Allocation of Recognized Period Costs, Capitalized Amount (in Dollars) $ 500 $ 400
Proceeds from Stock Options Exercised (in Dollars) $ 7,536 $ 9,705
The 2012 Plan [Member]    
Note 8 - Stock-Based Compensation (Details) [Line Items]    
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Authorized (in Shares) 43.2  
Restricted Stock [Member]    
Note 8 - Stock-Based Compensation (Details) [Line Items]    
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period 5 years  
Share Based Compensation Arrangement By Share Based Payment Award Award Requisite Service Period Minimum 1 year  
Share Based Compensation Arrangement By Share Based Payment Award Award Requisite Service Period Maximum 3 years  
Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized (in Dollars) $ 147,700  
Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized, Period for Recognition 4 years 36 days  
Restricted Stock [Member] | The 2012 Plan [Member]    
Note 8 - Stock-Based Compensation (Details) [Line Items]    
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period 5 years  
Share Based Compensation Arrangement By Share Based Payment Award Award Requisite Service Period Minimum 1 year  
Share Based Compensation Arrangement By Share Based Payment Award Award Requisite Service Period Maximum 3 years  
Employee Stock Option [Member]    
Note 8 - Stock-Based Compensation (Details) [Line Items]    
Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized (in Dollars) $ 31,600  
Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized, Period for Recognition 3 years 146 days  
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Weighted Average Grant Date Fair Value (in Dollars per share) $ 23.12 $ 20.96
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Remaining Contractual Term 4 years 146 days  
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Intrinsic Value (in Dollars) $ 66,500  
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Weighted Average Remaining Contractual Term 3 years 73 days  
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Intrinsic Value (in Dollars) $ 58,600  
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period, Intrinsic Value (in Dollars) 8,200 $ 6,400
Proceeds from Stock Options Exercised (in Dollars) 7,500  
Employee Service Share-based Compensation, Tax Benefit Realized from Exercise of Stock Options (in Dollars) $ 9,200  
Employee Stock Option [Member] | The 2012 Plan [Member]    
Note 8 - Stock-Based Compensation (Details) [Line Items]    
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period 5 years  
Share Based Compensation Arrangement By Share Based Payment Award Award Requisite Service Period Minimum 1 year  
Share Based Compensation Arrangement By Share Based Payment Award Award Requisite Service Period Maximum 3 years  
Performance Share Unit (PSUs) [Member]    
Note 8 - Stock-Based Compensation (Details) [Line Items]    
Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized (in Dollars) $ 34,900  
Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized, Period for Recognition 2 years 292 days  
Performance Share Unit (PSUs) [Member] | The 2012 Plan [Member]    
Note 8 - Stock-Based Compensation (Details) [Line Items]    
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period 4 years  
Performance Share Unit (PSUs) [Member] | Scenario, Assumption [Member]    
Note 8 - Stock-Based Compensation (Details) [Line Items]    
Share-based Compensation Arrangement by Share-based Payment Award, Target Award, Percentage 100.00%  
Performance Share Unit (PSUs) [Member] | One-Year Performance Period Awards [Member]    
Note 8 - Stock-Based Compensation (Details) [Line Items]    
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period 3 years  
Share Based Compensation Arrangement By Share Based Payment Award Award Requisite Service Period Minimum 1 year  
Employee Stock Option Issued Since May 10, 2010 [Member]    
Note 8 - Stock-Based Compensation (Details) [Line Items]    
Share Based Compensation Arrangement By Share Based Payment Award Requisite Service Period 1 year  
Employee Stock Option Issued Prior to May 10, 2010 [Member]    
Note 8 - Stock-Based Compensation (Details) [Line Items]    
Share Based Compensation Arrangement By Share Based Payment Award Award Requisite Service Period Minimum 1 year  
Share Based Compensation Arrangement By Share Based Payment Award Award Requisite Service Period Maximum 3 years  
Employee Stock Option Issued Since May 10, 2004 [Member]    
Note 8 - Stock-Based Compensation (Details) [Line Items]    
Share-based Compensation Arrangement by Share-based Payment Award, Expiration Period 8 years  
Employee Stock Option Issued Prior to May 10, 2004 [Member]    
Note 8 - Stock-Based Compensation (Details) [Line Items]    
Share-based Compensation Arrangement by Share-based Payment Award, Expiration Period 10 years  
Minimum [Member] | Employee Stock Option [Member]    
Note 8 - Stock-Based Compensation (Details) [Line Items]    
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period 3 years  
Minimum [Member] | Performance Share Unit (PSUs) [Member]    
Note 8 - Stock-Based Compensation (Details) [Line Items]    
Share-based Compensation Arrangement by Share-based Payment Award, Target Award, Percentage 0.00%  
Maximum [Member] | Employee Stock Option [Member]    
Note 8 - Stock-Based Compensation (Details) [Line Items]    
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period 5 years  
Maximum [Member] | Performance Share Unit (PSUs) [Member]    
Note 8 - Stock-Based Compensation (Details) [Line Items]    
Share-based Compensation Arrangement by Share-based Payment Award, Target Award, Percentage 150.00%