Related Party Transactions - Additional Information (Detail) $ in Millions	Feb. 29, 2016 USD ($)
Related Party Transactions [Abstract]
Life insurance premium payments made, recoverable	$ 1.1

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