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Accumulated Other Comprehensive Loss
 3 Months Ended
Feb. 28, 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 three months ended February 28, 2018 (in thousands):

 
Foreign Currency Translation Adjustment
 
Unrealized Losses on Investments
 
Accumulated Other Comprehensive Loss
Balance, December 1, 2017
$
(18,770
)
 
$
(229
)
 
$
(18,999
)
Other comprehensive income (loss) before reclassifications, net of tax
3,831

 
(27
)
 
3,804

Balance, February 28, 2018
$
(14,939
)
 
$
(256
)
 
$
(15,195
)


The tax effect on accumulated unrealized losses on investments was minimal as of February 28, 2018 and November 30, 2017.