Consolidated Statements of Comprehensive Income - USD ($) $ in Thousands		12 Months Ended
		Nov. 30, 2025	Nov. 30, 2024	Nov. 30, 2023
Statement of Comprehensive Income [Abstract]
Net income		$ 428,789	$ 655,018	$ 590,177
Net actuarial gain arising during the period		464	416	2,720
Amortization of net actuarial gain	[1]	(237)	(461)	(112)
Other comprehensive income (loss) before tax		227	(45)	2,608
Income tax expense related to items of other comprehensive income (loss)		(61)	12	(704)
Other comprehensive loss, net of tax		166	(33)	1,904
Comprehensive income		$ 428,955	$ 654,985	$ 592,081

[1] Amount is comprised solely of the amortization of net actuarial gain. The accumulated other comprehensive loss component is included in the computation of net periodic benefit costs as further discussed in Note 22 – Postretirement Benefits.