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