Temporary Differences That Give Rises to Deferred Tax Assets and Liabilities (Detail) (USD $) In Thousands, unless otherwise specified	Feb. 28, 2013	Feb. 29, 2012
Deferred Tax Assets And Liabilities [Line Items]
Reserves Not Deductible Until Paid	$ 1,145	$ 1,270
Employee Benefit Liabilities	5,859	6,257
Net Operating Loss and Tax Credit Carryforwards	5,011	4,855
Property and Equipment	1,539	5,088
Other	351	434
Total Gross Deferred Tax Asset	13,905	17,904
Valuation Allowance	(567)	(567)
Total Net Deferred Tax Assets	$ 13,338	$ 17,337

Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences not separately disclosed.

+ References+ Details

The tax effect as of the balance sheet date of the amount of the estimated future tax deductions arising from employee benefit costs not otherwise specified in the taxonomy, which can only be deducted for tax purposes when actual costs are incurred, and which can only be realized if sufficient tax-basis income is generated in future periods to enable the deduction to be taken.

+ References+ Details

- Definition

Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from other reserves not separately disclosed.

+ References+ Details

- Definition

Amount of deferred tax assets for which it is more likely than not that a tax benefit will not be realized.

+ References+ Details