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Accumulated Other Comprehensive Loss (Tables)
 3 Months Ended
Feb. 28, 2019
Equity [Abstract]  
Schedule of Accumulated Other Comprehensive Income (Loss)
The following table summarizes the changes in accumulated balances of other comprehensive loss during the three months ended February 28, 2019 (in thousands):

 
Foreign Currency Translation Adjustment
 
Unrealized (Losses) Gains on Investments
 
Accumulated Other Comprehensive (Loss) Income
Balance, December 1, 2018, as adjusted
$
(27,973
)
 
$
(203
)
 
$
(28,176
)
Other comprehensive income before reclassifications, net of tax
1,479

 
83

 
1,562

Balance, February 28, 2019
$
(26,494
)
 
$
(120
)
 
$
(26,614
)