Note 11 - Income Taxes - Deferred Income Tax Balances (Details) - USD ($) $ in Thousands	Nov. 27, 2021	Nov. 28, 2020
Pension and other post-retirement benefit plans	$ 12,118	$ 16,385
Employee benefit costs	26,799	24,538
Foreign tax credit carryforward	7,309	6,905
Tax loss carryforwards	24,071	31,495
Leases	8,590	7,133
Hedging activity	2,623	12,906
Interest deduction limitation	12,428	6,343
Other	27,410	30,178
Gross deferred tax assets	121,348	135,883
Less: valuation allowance	(11,341)	(21,843)
Total net deferred tax assets	110,007	114,040
Depreciation and amortization	(207,726)	(220,379)
Pension and other post-retirement benefit plans	(36,042)	(14,968)
Leases	(8,524)	(7,194)
Total deferred tax liability	(252,292)	(242,541)
Net deferred tax liability	$ (142,285)	$ (128,501)

The amount of deferred tax assets for interest deduction limitation.

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Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from pensions and other post-retirement benefit plans.

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Amount of deferred tax liability attributable to taxable temporary differences from pension and other post-retirement benefit plans.

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Amount of deferred tax liability attributable to taxable temporary differences.

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Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences and carryforwards.

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Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from hedging transactions.

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Amount before allocation of valuation allowances of deferred tax asset attributable to deductible operating loss carryforwards.

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Amount, after deferred tax asset, of deferred tax liability attributable to taxable differences without jurisdictional netting.

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Amount of deferred tax liability attributable to taxable temporary differences from property, plant, and equipment.

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