Annual report pursuant to Section 13 and 15(d)

Description of Business, Basis of Presentation, and Summary of Significant Accounting Policies (Details Textual)

v3.20.1
Description of Business, Basis of Presentation, and Summary of Significant Accounting Policies (Details Textual)
$ in Millions
 12 Months Ended
Feb. 29, 2020
USD ($)
stock_based_compensation_plan
class_of_stock
Feb. 28, 2019
USD ($)
Feb. 28, 2018
USD ($)
Mar. 01, 2019
USD ($)
Class of Stock [Line Items]        
Number of classes of common stock with a material number of shares outstanding | class_of_stock 2      
New Accounting Pronouncements or Change in Accounting Principle [Line Items]        
Operating lease right-of-use asset $ 481.4 $ 0.0    
Operating lease liability 560.2      
Advertising expense $ 769.5 $ 700.8 $ 615.7  
Number of stock-based employee compensation plans | stock_based_compensation_plan 2      
Class A Common Stock [Member]        
Class of Stock [Line Items]        
Common stock, dividend rights 10.00%      
Accounting Standards Update 2016-02, Leases [Member]        
New Accounting Pronouncements or Change in Accounting Principle [Line Items]        
Operating lease right-of-use asset       $ 585.4
Operating lease liability       $ 619.7