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Organization and Summary of Significant Accounting Policies - Schedule of Useful Lives of Assets (Detail)
12 Months Ended
Feb. 29, 2016
Building  
Property, Plant and Equipment [Line Items]  
Useful life of property, plant and equipment, net 39 years
Computer equipment and software  
Property, Plant and Equipment [Line Items]  
Useful life of property, plant and equipment, net 3 years
Vehicles, machinery and equipment  
Property, Plant and Equipment [Line Items]  
Useful life of property, plant and equipment, net 5 years
Leasehold improvements  
Property, Plant and Equipment [Line Items]  
Useful life of property, plant and equipment, net 5 years
Useful life of leasehold improvements, net Lesser of the useful life of the asset, generally 5 years, or remaining lease term