Note 8 - Income Taxes - Deferred Income Tax Balances (Details) - USD ($) $ in Thousands	Nov. 28, 2105	Dec. 03, 2016
Employee benefit costs	$ 50,679	$ 46,249
Deferred Tax Assets, Tax Credit Carryforwards, Foreign	11,621	11,593
Tax loss carryforwards	21,090	19,902
Other	24,373	20,612
Gross Deferred Tax Assets	107,763	98,356
Less: Valuation Allowance	(14,393)	(11,929)
Total Net Deferred Tax Assets	93,370	86,427
Depreciation and amortization	(61,992)	(66,589)
Total Deferred Tax Liability	(61,992)	(66,589)
Net Deferred Tax Assets	$ 31,378	$ 19,838