Effect of Early Adoption of Accounting Pronouncement (Detail) - USD ($) $ in Thousands	Feb. 29, 2016	Feb. 28, 2015
New Accounting Pronouncement, Early Adoption [Line Items]
Deferred Finance Costs, Net		$ 0
Assets, Noncurrent	$ 7,947	6,982
Total assets	316,606	331,294
Long-term debt, net of current portion	228,027	250,712
Liabilities	330,755	343,443
Liabilities and Equity	$ 316,606	331,294
Prior to Adjustment [Member]
New Accounting Pronouncement, Early Adoption [Line Items]
Deferred Finance Costs, Net		3,438
Assets, Noncurrent		10,420
Total assets		334,732
Long-term debt, net of current portion		254,150
Liabilities		346,881
Liabilities and Equity		334,732
Restatement Adjustment [Member]
New Accounting Pronouncement, Early Adoption [Line Items]
Deferred Finance Costs, Net		(3,438)
Assets, Noncurrent		(3,438)
Total assets		(3,438)
Long-term debt, net of current portion		(3,438)
Liabilities		(3,438)
Liabilities and Equity		$ (3,438)