Note 13 - Fair Value Measurements - Fair Value Measurements (Details) - USD ($)	Dec. 02, 2017	Dec. 03, 2016
Assets:
Marketable securities	$ 7,528,000	$ 1,020,000
Foreign exchange contract assets	600,000	11,697,000
Interest Rate Fair Value Hedge Asset at Fair Value	3,104,000	1,579,000
Foreign Currency Cash Flow Hedge Asset at Fair Value		4,654,000
Liabilities:
Foreign exchange contract liabilities	4,397,000	6,925,000
Interest Rate Fair Value Hedge Liability at Fair Value	2,121,000
Cross-currency cash-flow hedges	20,136,000
Contingent consideration liabilities	496,000	4,720,000
Fair Value, Inputs, Level 1 [Member]
Assets:
Marketable securities	7,528,000	1,020,000
Foreign exchange contract assets
Interest Rate Fair Value Hedge Asset at Fair Value
Foreign Currency Cash Flow Hedge Asset at Fair Value
Liabilities:
Foreign exchange contract liabilities
Interest Rate Fair Value Hedge Liability at Fair Value
Cross-currency cash-flow hedges
Contingent consideration liabilities
Fair Value, Inputs, Level 2 [Member]
Assets:
Marketable securities
Foreign exchange contract assets	600,000	11,697,000
Interest Rate Fair Value Hedge Asset at Fair Value	3,104,000	1,579,000
Foreign Currency Cash Flow Hedge Asset at Fair Value		4,654,000
Liabilities:
Foreign exchange contract liabilities	4,397,000	6,925,000
Interest Rate Fair Value Hedge Liability at Fair Value	2,121,000
Cross-currency cash-flow hedges	20,136,000
Contingent consideration liabilities
Fair Value, Inputs, Level 3 [Member]
Assets:
Marketable securities
Foreign exchange contract assets
Interest Rate Fair Value Hedge Asset at Fair Value
Foreign Currency Cash Flow Hedge Asset at Fair Value
Liabilities:
Foreign exchange contract liabilities
Interest Rate Fair Value Hedge Liability at Fair Value
Cross-currency cash-flow hedges
Contingent consideration liabilities	$ 496,000	$ 4,720,000