Accrued Expenses - Components of Accrued Expenses (Detail) - USD ($) $ in Thousands	May 31, 2018	Feb. 28, 2018
Payables And Accruals [Abstract]
Employee compensation and benefits	$ 14,472	$ 15,597
Taxes other than income	769	296
Accrued legal and professional fees	201	282
Accrued interest	170	143
Accrued utilities	90	148
Accrued acquisition related obligations	624	654
Accrued credit card fees	127	115
Other accrued expenses	169	168
Accrued expenses, Total	$ 16,622	$ 17,403