Annual report pursuant to Section 13 and 15(d)

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

v3.8.0.1
Description of Business, Basis of Presentation and Summary of Significant Accounting Policies (Details)
 12 Months Ended
Feb. 28, 2018
Land improvements [Member] | Minimum [Member]  
Property, Plant and Equipment [Line Items]  
Depreciable life in years 15 years
Land improvements [Member] | Maximum [Member]  
Property, Plant and Equipment [Line Items]  
Depreciable life in years 32 years
Vineyards [Member] | Minimum [Member]  
Property, Plant and Equipment [Line Items]  
Depreciable life in years 16 years
Vineyards [Member] | Maximum [Member]  
Property, Plant and Equipment [Line Items]  
Depreciable life in years 26 years
Buildings and improvements [Member] | Minimum [Member]  
Property, Plant and Equipment [Line Items]  
Depreciable life in years 10 years
Buildings and improvements [Member] | Maximum [Member]  
Property, Plant and Equipment [Line Items]  
Depreciable life in years 50 years
Machinery and equipment [Member] | Minimum [Member]  
Property, Plant and Equipment [Line Items]  
Depreciable life in years 3 years
Machinery and equipment [Member] | Maximum [Member]  
Property, Plant and Equipment [Line Items]  
Depreciable life in years 35 years
Motor vehicles [Member] | Minimum [Member]  
Property, Plant and Equipment [Line Items]  
Depreciable life in years 3 years
Motor vehicles [Member] | Maximum [Member]  
Property, Plant and Equipment [Line Items]  
Depreciable life in years 7 years