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Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from unrealized losses in other comprehensive income.

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Amount before tax and reclassification adjustments of other comprehensive income (loss).

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Amount after tax of other comprehensive income (loss) attributable to parent entity.

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Amount before tax of reclassification adjustments of other comprehensive income (loss).

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Comprehensive Income (Loss) (Details) (USD $)	3 Months Ended		9 Months Ended
Comprehensive Income (Loss) (Details) (USD $)	Nov. 30, 2014	Nov. 30, 2013	Nov. 30, 2014	Nov. 30, 2013	Feb. 28, 2014
Components of accumulated other comprehensive loss
Balance at the beginning of the period			$ (1,091,000)
Other comprehensive income before reclassification			543,000
Amounts reclassified out of accumulated other comprehensive income (loss)			1,214,000
Tax effects	(28,000)	(196,000)	(538,000)	(766,000)
Other comprehensive income	72,000	117,000	1,219,000	1,003,000
Balance at the end of the period	128,000		128,000
Unrealized Holding Gains (Losses) On Cash Flow Hedges \| Interest rate swaps
Components of accumulated other comprehensive loss
Balance at the beginning of the period			(797,000)
Other comprehensive income before reclassification			28,000
Amounts reclassified out of accumulated other comprehensive income (loss)			1,199,000
Tax effects			(430,000)
Other comprehensive income			797,000
Net deferred tax benefits					430,000
Unrealized Holding Gains (Losses) On Cash Flow Hedges \| Foreign currency contracts
Components of accumulated other comprehensive loss
Balance at the beginning of the period			(294,000)
Other comprehensive income before reclassification			515,000
Amounts reclassified out of accumulated other comprehensive income (loss)			15,000
Tax effects			(108,000)
Other comprehensive income			422,000
Balance at the end of the period	128,000		128,000
Net deferred tax benefits					80,000
Net deferred tax expense	$ (30,000)		$ (30,000)