Annual report pursuant to Section 13 and 15(d)

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

v3.21.1
Description of Business, Basis of Presentation, and Summary of Significant Accounting Policies - Narrative (Details)
$ in Millions
12 Months Ended
Feb. 28, 2021
USD ($)
stock_based_compensation_plan
class_of_stock
Feb. 29, 2020
USD ($)
Feb. 28, 2019
USD ($)
Class of Stock [Line Items]      
Number of classes of common stock with a material number of shares outstanding | class_of_stock 2    
Advertising expense | $ $ 805.0 $ 769.5 $ 700.8
Number of stock-based employee compensation plans | stock_based_compensation_plan 2    
Class A Common Stock      
Class of Stock [Line Items]      
Common stock, dividend rights 10.00%    
Participation rights percent 10.00%