Intangible Assets and Goodwill (Schedule Of Intangible Assets) (Details) - USD ($) $ in Thousands	Aug. 31, 2023	Nov. 30, 2022
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	$ 787,719	$ 558,619
Accumulated Amortization	(408,895)	(341,264)
Net Book Value	378,824	217,355
Purchased technology
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	280,000	212,700
Accumulated Amortization	(173,129)	(150,877)
Net Book Value	106,871	61,823
Customer-related
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	457,608	306,308
Accumulated Amortization	(205,298)	(162,341)
Net Book Value	252,310	143,967
Trademarks and trade names
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	50,111	37,611
Accumulated Amortization	(30,468)	(26,046)
Net Book Value	19,643	11,565
Non-compete agreement
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	0	2,000
Accumulated Amortization	0	(2,000)
Net Book Value	$ 0	$ 0