Note 11 - Fair Value Measurements - Fair Value Measurements (Details) - Fair Value, Recurring [Member] - USD ($) $ in Thousands	May 29, 2021	Nov. 28, 2020
Assets:
Marketable securities	$ 2,770	$ 22,560
Foreign exchange contract assets	3,293	2,320
Cross-currency cash flow hedge assets		2,823
Liabilities:
Foreign exchange contract liabilities	2,889	5,251
Cross-currency cash flow hedge liabilities	7,464	280
Interest rate swaps, cash flow hedge liabilities	22,997	33,256
Interest rate swaps, fair value hedge liabilities	4,242
Contingent consideration liabilities	8,700	5,800
Fair Value, Inputs, Level 1 [Member]
Assets:
Marketable securities	0	22,560
Foreign exchange contract assets	0	0
Cross-currency cash flow hedge assets		0
Liabilities:
Foreign exchange contract liabilities	0	0
Cross-currency cash flow hedge liabilities	0	0
Interest rate swaps, cash flow hedge liabilities	0	0
Interest rate swaps, fair value hedge liabilities	0
Contingent consideration liabilities	0	0
Fair Value, Inputs, Level 2 [Member]
Assets:
Marketable securities	2,770	0
Foreign exchange contract assets	3,293	2,320
Cross-currency cash flow hedge assets		2,823
Liabilities:
Foreign exchange contract liabilities	2,889	5,251
Cross-currency cash flow hedge liabilities	7,464	280
Interest rate swaps, cash flow hedge liabilities	22,997	33,256
Interest rate swaps, fair value hedge liabilities	4,242
Contingent consideration liabilities	0	0
Fair Value, Inputs, Level 3 [Member]
Assets:
Marketable securities	0	0
Foreign exchange contract assets	0	0
Cross-currency cash flow hedge assets		0
Liabilities:
Foreign exchange contract liabilities	0	0
Cross-currency cash flow hedge liabilities	0
Interest rate swaps, cash flow hedge liabilities	0	0
Interest rate swaps, fair value hedge liabilities	0
Contingent consideration liabilities	$ 8,700	$ 5,800