Intangible Assets and Goodwill (Schedule Of Intangible Assets) (Details) - USD ($) $ in Thousands	Feb. 28, 2023	Nov. 30, 2022
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	$ 800,919	$ 558,619
Accumulated Amortization	(359,977)	(341,264)
Net Book Value	440,942	217,355
Purchased technology
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	280,300	212,700
Accumulated Amortization	(157,141)	(150,877)
Net Book Value	123,159	61,823
Customer-related
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	468,508	306,308
Accumulated Amortization	(173,532)	(162,341)
Net Book Value	294,976	143,967
Trademarks and trade names
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	50,111	37,611
Accumulated Amortization	(27,304)	(26,046)
Net Book Value	22,807	11,565
Non-compete agreement
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	2,000	2,000
Accumulated Amortization	(2,000)	(2,000)
Net Book Value	$ 0	$ 0