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Accumulated Other Comprehensive Loss
6 Months Ended
May 31, 2021
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 six months ended May 31, 2021 (in thousands):
Foreign Currency Translation AdjustmentUnrealized Gains on InvestmentsUnrealized Losses on Hedging ActivityAccumulated Other Comprehensive Loss
Balance, December 1, 2020$(27,616)$14 $(5,176)$(32,778)
Other comprehensive income before reclassifications, net of tax3,101 (39)1,072 4,134 
Balance, May 31, 2021$(24,515)$(25)$(4,104)$(28,644)

The tax effect on accumulated unrealized losses on hedging activity and unrealized gains on investments was $1.3 million and $1.6 million as of May 31, 2021 and November 30, 2020, respectively.