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Accumulated Other Comprehensive Loss
 9 Months Ended
Aug. 31, 2018
Equity [Abstract]  
Accumulated Other Comprehensive Loss
Accumulated Other Comprehensive Loss

The following table summarizes the changes in accumulated balances of other comprehensive loss during the nine months ended August 31, 2018 (in thousands):

 
Foreign Currency Translation Adjustment
 
Unrealized (Losses) Gains on Investments
 
Accumulated Other Comprehensive Loss
Balance, December 1, 2017
$
(18,770
)
 
$
(229
)
 
$
(18,999
)
Other comprehensive loss before reclassifications, net of tax
(7,137
)
 
24

 
(7,113
)
Balance, August 31, 2018
$
(25,907
)
 
$
(205
)
 
$
(26,112
)


The tax effect on accumulated unrealized (losses) gains on investments was minimal as of August 31, 2018 and November 30, 2017.