Description of Business, Basis of Presentation and Summary of Significant Accounting Policies (Details Textual) (USD $)	3 Months Ended		12 Months Ended
	Feb. 28, 2014 class_of_stock stock_based_compensation_plan	Aug. 31, 2013	Feb. 28, 2014 class_of_stock stock_based_compensation_plan	Feb. 28, 2013	Feb. 29, 2012
Class of Stock [Line Items]
Equity method investment impairment loss			$ 0	$ 0	$ 0
Advertising expense			278,500,000	121,900,000	116,000,000
Aggregate foreign currency transaction net gains (losses)			5,300,000	3,700,000	(700,000)
Allowance for doubtful accounts	1,800,000		1,800,000	1,900,000
Aging period of bulk wine inventories			1 year
Impairment of goodwill	0	278,700,000	278,700,000	0	0
Impairment of trademarks	0	22,200,000		0	38,100,000
Assets classified as held for sale	0		0	0
Impairment of long-lived assets			$ 0	$ 0	$ 0
Number of classes of outstanding common stock	2		2
Number of stock-based employee compensation plans	2		2
Maximum [Member]
Class of Stock [Line Items]
Original maturity of cash investments			3 months
Class A Common Stock [Member]
Class of Stock [Line Items]
Common stock, dividend rights			10.00%