Description of Business and Summary of Significant Accounting Policies Other Income (Expense) Table (Details) - USD ($) $ in Thousands	12 Months Ended
Feb. 28, 2017	Feb. 29, 2016	Feb. 28, 2015
Share-based Compensation Arrangement by Share-based Payment Award, Award Requisite Service Period	12 years 9 months
Foreign Currency Transaction Gain (Loss), Realized	$ (501)	$ 110	$ 599
Foreign Currency Transaction Gain (Loss), before Tax	(509)	108	(6,504)
Interest Income (Expense), Nonoperating, Net	142	814	376
Rental Income, Nonoperating	646	450	1,045
Other, net	(572)	632	1,495
miscellaneous transactions [Member]
Other Nonoperating Gains (Losses)	$ (859)	$ (742)	$ (525)

Amount before tax of foreign currency transaction realized and unrealized gain (loss) recognized in the income statement.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 830
-SubTopic 20
-Section 50
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=6450222&loc=d3e30840-110895

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The net amount of other income and expense amounts, the components of which are not separately disclosed on the income statement, resulting from ancillary business-related activities (that is, excluding major activities considered part of the normal operations of the business) also known as other nonoperating income (expense) recognized for the period. Such amounts may include: (a) dividends, (b) interest on securities, (c) net gains or losses on securities, (d) unusual costs, (e) gains or losses on foreign exchange transactions, and (f) miscellaneous other income and expense items.

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Estimated period over which an employee is required to provide service in exchange for the equity-based payment award, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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