Note 13 - Fair Value Measurements - Fair Value Measurements (Details) - USD ($) $ in Thousands	Feb. 29, 2020	Nov. 30, 2019
Assets:
Interest Rate Fair Value Hedge Liability at Fair Value	$ 11,122
Fair Value, Inputs, Level 2 [Member]
Assets:
Foreign exchange contract assets		$ 1,227
Fair Value, Recurring [Member]
Assets:
Marketable securities	3,934	19,430
Foreign exchange contract assets	7,026	1,227
Interest Rate Fair Value Hedge Liability at Fair Value	11,122	5,741
Foreign Currency Cash Flow Hedge Asset at Fair Value	31,332	26,896
Liabilities:
Foreign exchange contract liabilities	3,797	1,800
Interest rate swaps, cash flow hedges	29,537	17,637
Business Combination, Contingent Consideration, Liability, Total	5,000
Fair Value, Recurring [Member] | Fair Value, Inputs, Level 1 [Member]
Assets:
Marketable securities	3,934	19,430
Foreign exchange contract assets	0	0
Interest Rate Fair Value Hedge Liability at Fair Value	0	0
Foreign Currency Cash Flow Hedge Asset at Fair Value	0	0
Liabilities:
Foreign exchange contract liabilities	0	0
Interest rate swaps, cash flow hedges	0	0
Fair Value, Recurring [Member] | Fair Value, Inputs, Level 2 [Member]
Assets:
Marketable securities	0	0
Foreign exchange contract assets	7,026
Interest Rate Fair Value Hedge Liability at Fair Value	11,122	5,741
Foreign Currency Cash Flow Hedge Asset at Fair Value	31,332	26,896
Liabilities:
Foreign exchange contract liabilities	3,797	1,800
Interest rate swaps, cash flow hedges	29,537	17,637
Fair Value, Recurring [Member] | Fair Value, Inputs, Level 3 [Member]
Assets:
Marketable securities	0	0
Foreign exchange contract assets	0	0
Interest Rate Fair Value Hedge Liability at Fair Value	0	0
Foreign Currency Cash Flow Hedge Asset at Fair Value	0	0
Liabilities:
Foreign exchange contract liabilities	0	0
Interest rate swaps, cash flow hedges	0	$ 0
Business Combination, Contingent Consideration, Liability, Total	$ 5,000