Significant Customers and Concentration of Credit Risk (Details)	12 Months Ended
	Feb. 28, 2015	Feb. 28, 2014	Feb. 28, 2013
Net sales [Member] | Customer concentration risk [Member]
Net Sales and Accounts Receivable From Major Customers [Abstract]
Concentration risk, Percentage	33.70%	36.60%	57.80%
Net sales [Member] | Customer concentration risk [Member] | Southern Wine and Spirits [Member]
Net Sales and Accounts Receivable From Major Customers [Abstract]
Concentration risk, Percentage	15.40%	18.40%	30.00%
Net sales [Member] | Customer concentration risk [Member] | Republic National Distributing Company [Member]
Net Sales and Accounts Receivable From Major Customers [Abstract]
Concentration risk, Percentage	7.60%	9.70%	15.60%
Accounts receivable [Member] | Credit concentration risk [Member] | Southern Wine and Spirits [Member]
Net Sales and Accounts Receivable From Major Customers [Abstract]
Concentration risk, Percentage	24.40%	26.60%	34.50%
Accounts receivable [Member] | Credit concentration risk [Member] | Republic National Distributing Company [Member]
Net Sales and Accounts Receivable From Major Customers [Abstract]
Concentration risk, Percentage	11.50%	13.90%	18.70%