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Note 5 - Goodwill and Other Intangible Assets - Amortizable Intangible Assets (Details) - USD ($) $ in Thousands | Feb. 28, 2026 | Nov. 29, 2025
--- | --- | ---
Purchased Technology And Patents [Member] |  |
Original cost | $ 235,196 | $ 232,522
Accumulated amortization | (62,365) | (57,778)
Net identifiable intangibles | 172,831 | 174,744
Impairment |  | 0
Customer Relationships [Member] |  |
Original cost | 990,601 | 998,889
Accumulated amortization | (418,027) | (414,706)
Net identifiable intangibles | 572,574 | 584,183
Impairment |  | 0
Trade Names [Member] |  |
Original cost | 82,015 | 81,228
Accumulated amortization | (36,322) | (33,554)
Net identifiable intangibles | 45,693 | 46,940
Impairment |  | (734)
Other Intangible Assets [Member] |  |
Original cost | 1,307,812 | 1,312,639
Accumulated amortization | (516,714) | (506,038)
Net identifiable intangibles | $ 791,098 | 805,867
Impairment |  | $ (734)

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