Accumulated Other Comprehensive Loss (Changes in the Balances of each Component of Accumulated Other Comprehensive Loss) (Details) - USD ($) $ in Thousands	12 Months Ended
	Nov. 30, 2023	Nov. 30, 2022
Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Beginning balance	$ 3,660,795	$ 3,019,475
Ending balance	3,810,140	3,660,795
Accumulated Define Benefit Plans Adjustment Member
Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Beginning balance	(5,575)	(19,119)
Other comprehensive income before reclassifications	2,720	17,463
Amounts reclassified from accumulated other comprehensive loss	(112)	1,090
Income tax expense related to items of other comprehensive income	(704)	(5,009)
Other comprehensive income, net of tax	1,904	13,544
Ending balance	$ (3,671)	$ (5,575)