Note 13 - Fair Value Measurements - Fair Value Measurements (Details) - USD ($) $ in Thousands	Aug. 29, 2020	Nov. 30, 2019
Fair Value, Inputs, Level 2 [Member]
Assets:
Foreign exchange contract assets		$ 1,227
Fair Value, Recurring [Member]
Assets:
Marketable securities	$ 11,846	19,430
Foreign exchange contract assets	3,004	1,227
Cross-currency cash flow hedges	1,612	26,896
Interest rate swaps, fair value hedges		5,741
Liabilities:
Foreign exchange contract liabilities	7,865	1,800
Interest rate swaps, cash flow hedges	37,151	17,637
Contingent consideration liability	5,000
Fair Value, Recurring [Member] | Fair Value, Inputs, Level 1 [Member]
Assets:
Marketable securities	11,846	19,430
Foreign exchange contract assets	0	0
Cross-currency cash flow hedges	0	0
Interest rate swaps, fair value hedges		0
Liabilities:
Foreign exchange contract liabilities	0	0
Interest rate swaps, cash flow hedges	0	0
Contingent consideration liability	0
Fair Value, Recurring [Member] | Fair Value, Inputs, Level 2 [Member]
Assets:
Marketable securities	0	0
Foreign exchange contract assets	3,004
Cross-currency cash flow hedges	1,612	26,896
Interest rate swaps, fair value hedges		5,741
Liabilities:
Foreign exchange contract liabilities	7,865	1,800
Interest rate swaps, cash flow hedges	37,151	17,637
Contingent consideration liability	0
Fair Value, Recurring [Member] | Fair Value, Inputs, Level 3 [Member]
Assets:
Marketable securities	0	0
Foreign exchange contract assets	0	0
Cross-currency cash flow hedges	0	0
Interest rate swaps, fair value hedges		0
Liabilities:
Foreign exchange contract liabilities	0	0
Interest rate swaps, cash flow hedges	0	$ 0
Contingent consideration liability	$ 5,000