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, 2022	Nov. 30, 2021	Nov. 30, 2020
Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Beginning balance		$ 3,019,475	$ 2,665,769	$ 2,383,122
Amounts reclassified from accumulated other comprehensive loss	[1]	1,090	1,661	1,388
Income tax expense related to items of other comprehensive income		(5,009)	(1,168)	1,897
Other comprehensive income, net of tax		13,544	3,157	(5,127)
Ending balance		3,660,795	3,019,475	2,665,769
Accumulated Define Benefit Plans Adjustment Member
Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Beginning balance		(19,119)	(22,276)
Other comprehensive income before reclassifications		17,463	2,664
Amounts reclassified from accumulated other comprehensive loss		1,090	1,661
Income tax expense related to items of other comprehensive income		(5,009)	(1,168)
Other comprehensive income, net of tax		13,544	3,157
Ending balance		$ (5,575)	$ (19,119)	$ (22,276)

[1] The accumulated other comprehensive loss components are included in the computation of net periodic benefit costs as further discussed in Note 22 – Postretirement Benefits.