Postretirement Benefits (Tables)

12 Months Ended

Nov. 30, 2022

Retirement Benefits [Abstract]

Schedule of Net Benefit Costs

The net periodic benefit cost of our Retirement Plan and DBO Plan is included in selling, general and administrative expenses in our consolidated statements of operations and consisted of the following (in thousands):

	Years Ended November 30,
	2022		2021		2020
Interest cost	$	1,853	$	1,593	$	1,950
Amortization of prior service cost	—		85		425
Service cost	1,132		1,152		1,077
Amortization of net actuarial loss	998		1,443		912
Total	$	3,983	$	4,273	$	4,364