Property, Plant and Equipment - Schedule of Property, Plant and Equipment (Detail) - USD ($) $ in Thousands	Feb. 29, 2016	Feb. 28, 2015
Property, Plant and Equipment [Line Items]
Property, plant and equipment - at cost	$ 945,059	$ 828,028
Less accumulated depreciation	477,349	447,731
Property, plant and equipment - net	467,710	380,297
Land [Member]
Property, Plant and Equipment [Line Items]
Property, plant and equipment - at cost	18,585	18,791
Buildings [Member]
Property, Plant and Equipment [Line Items]
Property, plant and equipment - at cost	240,737	178,924
Capitalized software [Member]
Property, Plant and Equipment [Line Items]
Property, plant and equipment - at cost	239,364	191,307
Equipment and fixtures [Member]
Property, Plant and Equipment [Line Items]
Property, plant and equipment - at cost	$ 446,373	$ 439,006