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, 2014	Feb. 28, 2013	Feb. 29, 2012
Allowance for Doubtful Accounts [Member]
Allowance for Doubtful Accounts
Balance at Beginning of year	$ 1,000	$ 898	$ 720
Additions charged or credited to income	(116)	446	361
Balances written off, net of recoveries	(294)	(344)	(183)
Effect of exchange rate	(30)	0	0
Balance at end of year	$ 1,744	$ 1,000	$ 898