Property, Plant and Equipment - Schedule of Property, Plant and Equipment (Detail) (USD $) In Thousands, unless otherwise specified	Feb. 28, 2015	Feb. 28, 2014
Property, Plant and Equipment [Line Items]
Property, plant and equipment - at cost	$ 828,028	$ 855,141
Less accumulated depreciation	447,731	479,376
Property, plant and equipment - net	380,297	375,765
Land [Member]
Property, Plant and Equipment [Line Items]
Property, plant and equipment - at cost	18,791	19,231
Buildings [Member]
Property, Plant and Equipment [Line Items]
Property, plant and equipment - at cost	178,924	201,619
Capitalized software [Member]
Property, Plant and Equipment [Line Items]
Property, plant and equipment - at cost	191,307	174,405
Equipment and fixtures [Member]
Property, Plant and Equipment [Line Items]
Property, plant and equipment - at cost	$ 439,006	$ 459,886