Related Party Transactions - Additional Information (Detail) (USD $) In Millions, unless otherwise specified	12 Months Ended
Feb. 28, 2013	Feb. 28, 2015
Related Party Transactions [Abstract]
Forgiveness of loan due from related parties	$ 1.2
Employment agreement period	3 years
Life insurance premium payments made, recoverable		$ 1.1us-gaap_InsuranceSettlementsReceivable

Amount due in settlement of a claim for reimbursement from an insurance company when the Company has suffered a loss covered under an insurance policy.

No definition available.

Name:	us-gaap_InsuranceSettlementsReceivable
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant