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Description of Business and Summary of Significant Accounting Policies Accumulated Other Comprehensive Income (Loss) (Tables)
 12 Months Ended
Feb. 28, 2018
Accumulated Other Comprehensive Income (Loss), Net of Tax [Abstract]  
Schedule of Accumulated Other Comprehensive Income (Loss) [Table Text Block]
Accumulated Other Comprehensive Loss
 
 
Foreign Exchange Losses
 
Unrealized losses on investments, net of tax (a)
 
Pension plan adjustments, net of tax
 
Derivatives designated in a hedging relationship, net of tax
 
Total
Balance at February 29, 2016
$
(38,637
)
 
$
(81
)
 
$
(2,102
)
 
$
103

 
$
(40,717
)
Other comprehensive (loss) income before reclassifications
(3,194
)
 
(17
)
 
(180
)
 
742

 
(2,649
)
Reclassified from accumulated other comprehensive loss
—

 
—

 
—

 
(532
)
 
(532
)
Net current-period other comprehensive (loss) income
(3,194
)
 
(17
)
 
(180
)
 
210

 
(3,181
)
Balance at February 28, 2017
$
(41,831
)
 
$
(98
)
 
$
(2,282
)
 
$
313

 
$
(43,898
)
Other comprehensive (loss) income before reclassifications
18,065

 
(15
)
 
(459
)
 
(1,358
)
 
16,233

Reclassified from accumulated other comprehensive loss
10,739

 
89

 
1,955

 
660

 
13,443

Net current-period other comprehensive (loss) income
28,804

 
74

 
1,496

 
(698
)
 
29,676

Balance at February 28, 2018
$
(13,027
)
 
$
(24
)
 
$
(786
)
 
$
(385
)
 
$
(14,222
)
Other comprehensive (loss) income before reclassifications
(3,195
)
 
—

 
(12
)
 
452

 
(2,755
)
Reclassified from accumulated other comprehensive loss
—

 
24

 
—

 
9

 
33

Net current-period other comprehensive (loss) income
(3,195
)
 
24

 
(12
)
 
461

 
(2,722
)
Balance at February 28, 2019
$
(16,222
)
 
$
—

 
$
(798
)
 
$
76

 
$
(16,944
)