Summary of Significant Accounting Policies - Property, Plant, and Equipment (Details)	12 Months Ended
	Feb. 28, 2013
Building and Structures [Member] | Minimum [Member]
Property, Plant and Equipment [Line Items]
Useful life	10 years
Building and Structures [Member] | Maximum [Member]
Property, Plant and Equipment [Line Items]
Useful life	25 years
Machinery and Equipment [Member] | Minimum [Member]
Property, Plant and Equipment [Line Items]
Useful life	3 years
Machinery and Equipment [Member] | Maximum [Member]
Property, Plant and Equipment [Line Items]
Useful life	15 years
Furniture and Fixtures [Member] | Minimum [Member]
Property, Plant and Equipment [Line Items]
Useful life	3 years
Furniture and Fixtures [Member] | Maximum [Member]
Property, Plant and Equipment [Line Items]
Useful life	15 years
Automative Equipment [Member]
Property, Plant and Equipment [Line Items]
Useful life	3 years