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Description of Business and Summary of Significant Accounting Policies Accumulated Other Comprehensive Income (Loss) (Tables)
 12 Months Ended
Feb. 28, 2014
Schedule of Accumulated Other Comprehensive Income (Loss) [Table Text Block]
Accumulated Other Comprehensive Loss
 
 
Foreign Exchange Losses
 
Unrealized losses on investments, net of tax
 
Pension plan adjustments, net of tax
 
Derivatives designated in a hedging relationship
 
Total
Balance at 2/28/14
$
235

 
$
(74
)
 
$
(1,319
)
 
$
(715
)
 
$
(1,873
)
Other comprehensive income (loss) before reclassifications
(33,170
)
 
(27
)
 
(1,423
)
 
3,638

 
(30,982
)
Reclassified from accumulated other comprehensive loss
—

 
—

 
—

 
(380
)
 
(380
)
Net current-period other comprehensive income (loss)
(33,170
)
 
(27
)
 
(1,423
)
 
3,258

 
(31,362
)
Balance at 2/28/15
$
(32,935
)
 
$
(101
)
 
$
(2,742
)
 
$
2,543

 
$
(33,235
)