Accumulated Other Comprehensive Loss (Tables)

3 Months Ended

Feb. 28, 2021

Equity [Abstract]

Schedule of 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 securities	14,798		13,996		8,332
Accumulated other comprehensive loss	$	(443,276)	$	(441,446)	$	(452,734)