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Accumulated Other Comprehensive Loss (Tables)
 6 Months Ended
May 31, 2014
Equity [Abstract]  
Schedule of Accumulated Other Comprehensive Income (Loss)
The following table summarizes the changes in accumulated balances of other comprehensive loss during the six months ended May 31, 2014 (in thousands):

 
Foreign Currency Translation Adjustment
 
Unrealized Gains (Losses) on investments
 
Accumulated Other Comprehensive Loss
Balance, December 1, 2013
$
(9,249
)
 
$
(2,410
)
 
$
(11,659
)
Other comprehensive income before reclassifications, net of tax
1,138

 
107

 
1,245

Balance, May 31, 2014
$
(8,111
)
 
$
(2,303
)
 
$
(10,414
)