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Realignment Costs (Details) (USD $)	12 Months Ended
Realignment Costs (Details) (USD $)	Feb. 28, 2015	Feb. 28, 2014	Feb. 28, 2013	Jun. 01, 2014
Restructuring Cost and Reserve [Line Items]
Restructuring Reserve	$ 456,000us-gaap_RestructuringReserve			$ 3,952,000us-gaap_RestructuringReserve
Restructuring Charges	(3,496,000)us-gaap_RestructuringCharges
Gain (Loss) on Disposition of Assets	(2,651,000)us-gaap_GainLossOnDispositionOfAssets1	0us-gaap_GainLossOnDispositionOfAssets1	0us-gaap_GainLossOnDispositionOfAssets1
Restructuring Charges [Member]
Restructuring Cost and Reserve [Line Items]
Severance Costs	1,300,000
Gain (Loss) on Disposition of Assets	$ 2,700,000

Amount of expenses associated with exit or disposal activities pursuant to an authorized plan. Excludes expenses related to a discontinued operation or an asset retirement obligation.

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- Definition

Amount of expenses for special or contractual termination benefits provided to current employees involuntarily terminated under a benefit arrangement associated exit or disposal activities pursuant to an authorized plan. Excludes expenses related to one-time termination benefits, a discontinued operation or an asset retirement obligation.

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