Note 13 - Fair Value Measurements - Fair Value Measurements (Details) - Fair Value, Recurring [Member] - USD ($) $ in Thousands	Nov. 28, 2020	Nov. 30, 2019
Assets:
Marketable securities	$ 22,560	$ 19,430
Foreign exchange contract assets	2,320	1,227
Cross-currency cash flow hedge assets	2,823	26,896
Interest rate swaps, cash flow hedges		5,741
Liabilities:
Foreign exchange contract liabilities	5,251	1,800
Cross-currency cash flow hedge liabilities	280
Interest rate swaps, cash flow hedge liabilities	33,256
Contingent consideration liability	5,800
Interest Rate Fair Value Hedge Liability at Fair Value		17,637
Fair Value, Inputs, Level 1 [Member]
Assets:
Marketable securities	22,560	19,430
Foreign exchange contract assets	0	0
Cross-currency cash flow hedge assets	0	0
Interest rate swaps, cash flow hedges		0
Liabilities:
Foreign exchange contract liabilities	0	0
Cross-currency cash flow hedge liabilities	0
Interest rate swaps, cash flow hedge liabilities	0
Contingent consideration liability	0
Interest Rate Fair Value Hedge Liability at Fair Value		0
Fair Value, Inputs, Level 2 [Member]
Assets:
Marketable securities	0	0
Foreign exchange contract assets	2,320	1,227
Cross-currency cash flow hedge assets	2,823	26,896
Interest rate swaps, cash flow hedges		5,741
Liabilities:
Foreign exchange contract liabilities	5,251	1,800
Cross-currency cash flow hedge liabilities	280
Interest rate swaps, cash flow hedge liabilities	33,256
Contingent consideration liability	0
Interest Rate Fair Value Hedge Liability at Fair Value		17,637
Fair Value, Inputs, Level 3 [Member]
Assets:
Marketable securities	0	0
Foreign exchange contract assets	0	0
Cross-currency cash flow hedge assets	0	0
Interest rate swaps, cash flow hedges		0
Liabilities:
Foreign exchange contract liabilities	0	0
Cross-currency cash flow hedge liabilities	0
Interest rate swaps, cash flow hedge liabilities	0
Contingent consideration liability	$ 5,800
Interest Rate Fair Value Hedge Liability at Fair Value		$ 0