Current report filing

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

v3.8.0.1
Description of Business, Basis of Presentation and Summary of Significant Accounting Policies (Details Textual)
$ in Millions
12 Months Ended
Feb. 28, 2017
USD ($)
stock_based_compensation_plan
class_of_stock
Feb. 29, 2016
USD ($)
Feb. 28, 2015
USD ($)
Class of Stock [Line Items]      
Number of classes of outstanding common stock | class_of_stock 2    
Advertising expense | $ $ 552.8 $ 468.3 $ 406.1
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%