Schedule II : Valuation and Qualiying Accounts and Reserves (Details) (Allowance for Doubtful Accounts [Member], USD $) In Thousands, unless otherwise specified	12 Months Ended
Feb. 28, 2013	Feb. 29, 2012	Feb. 28, 2011
Allowance for Doubtful Accounts [Member]
Allowance for Doubtful Accounts
Balance at Beginning of year	$ 898	$ 720	$ 720
Balance acquired by acquisition	0	0	97
Additions charged or credited to income	446	361	229
Balances written off, net of recoveries	(344)	(183)	(327)
Effect of exchange rate	0	0	1
Balance at end of year	$ 1,000	$ 898	$ 720

Valuation Allowances and Reserves, Deductions, Net Of Recoveries

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- Definition

Valuation Allowances and Reserves, Foreign Currency Exchange Rate Gain (Loss)

+ References

No definition available.

+ Details

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- Definition

Total of allowances and reserves, the valuation and qualifying accounts that are either netted against the cost of an asset (in order to value it at its carrying value) or that reflect a liability established to represent expected future costs.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 09

-Article 12

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 235

-SubTopic 10

-Section S99

-Paragraph 4

-URI http://asc.fasb.org/extlink&oid=6881521&loc=d3e24092-122690

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- Definition

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- Definition

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