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Accumulated Other Comprehensive Loss
 3 Months Ended
Feb. 28, 2021
Equity [Abstract]  
ACCUMULATED OTHER COMPREHENSIVE LOSS ACCUMULATED OTHER COMPREHENSIVE LOSS
The following is a summary of the components of "Accumulated other comprehensive loss," net of related income taxes: 
February 28,
2021		November 29,
2020		February 23,
2020
 (Dollars in thousands)
Pension and postretirement benefits$(219,864)$(222,345)$(265,433)
Derivative instruments(88,877)(74,456)(20,823)
Foreign currency translation losses(149,333)(158,641)(174,810)
Unrealized gains on marketable securities14,798 13,996 8,332 
Accumulated other comprehensive loss$(443,276)$(441,446)$(452,734)

No material amounts were reclassified out of "Accumulated other comprehensive loss" into net income other than those that pertain to the Company's derivative instruments and pension and post retirement benefit plans. Refer to Note 4 and Note 7 for additional information.