Annual report pursuant to Section 13 and 15(d)

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

v3.4.0.3
Description of Business, Basis of Presentation and Summary of Significant Accounting Policies (Details Textual)
$ in Millions
12 Months Ended
Feb. 29, 2016
USD ($)
stock_based_compensation_plan
class_of_stock
Feb. 28, 2015
USD ($)
Feb. 28, 2014
USD ($)
Accounting Policies [Abstract]      
Advertising expense | $ $ 468.3 $ 406.1 $ 278.5
Number of classes of outstanding common stock | class_of_stock 2    
Number of stock-based employee compensation plans | stock_based_compensation_plan 2