Postretirement Benefits (Tables)

12 Months Ended

Nov. 30, 2015

Compensation and Retirement Disclosure [Abstract]

Schedule of Net Benefit Costs

The net periodic benefit cost of our Retirement Plan and DBO Plan consisted of the following (in thousands):

	Years Ended November 30,
	2015		2014		2013
Interest cost	$	2,270	$	2,456	$	2,078
Amortization of prior service cost	1,556		1,556		1,556
Service cost	1,142		1,184		1,504
Amortization of net actuarial loss	848		357		1,803
Total	$	5,816	$	5,553	$	6,941