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Description of Business and Summary of Significant Accounting Policies Other Income (Expense) (Tables)
 12 Months Ended
Feb. 28, 2014
Other Income and Expenses [Abstract]  
Schedule of Other Nonoperating Income (Expense) [Table Text Block]
Other income (expense) is comprised of the following:
 
 
Year
Ended
 
Year
Ended
 
Year
Ended
 
February 28, 2014
 
February 28, 2013
 
February 29, 2012
Other-than-temporary impairment of investment in Bliss-tel marketable securities
$
—

 
$
—

 
$
(1,225
)
(Loss) gain on foreign currency contracts related to Hirschmann acquisition
—

 
(2,670
)
 
1,581

Net settlement gains (losses) (see Note 14)
4,443

 
(1,661
)
 
(3,621
)
Foreign currency (loss) gain
(1,079
)
 
445

 
1,748

Interest income
689

 
685

 
744

Rental income
1,519

 
1,120

 
531

Miscellaneous
6,472

 
(552
)
 
(3,145
)
Total other, net
$
12,044

 
$
(2,633
)
 
$
(3,387
)