Note 8 - Accumulated Other Comprehensive Income (Loss) - Components of Accumulated Other Comprehensive Income (Loss) (Details) (Parentheticals) - USD ($) $ in Thousands	6 Months Ended	12 Months Ended
	May 31, 2025	Nov. 30, 2024
Accumulated Defined Benefit Plans Adjustment Including Portion Attributable to Noncontrolling Interest [Member]
Before Reclassifications, tax	$ 54,442	$ 54,545
Accumulated Gain (Loss), Cash Flow Hedge, Including Noncontrolling Interest [Member] | Interest Rate Swap [Member]
Before Reclassifications, tax	3,318	2,169
Accumulated Gain (Loss), Cash Flow Hedge, Including Noncontrolling Interest [Member] | Net Investment Hedges [Member]
Before Reclassifications, tax	$ 24,425
Accumulated Gain (Loss), Net, Cash Flow Hedge, Parent [Member] | Net Investment Hedges [Member]
Before Reclassifications, tax		$ 12,056