Postretirement and Other Employee Benefits (Tables)

3 Months Ended

Nov. 30, 2016

Postretirement and Other Employee Benefits [Abstract]

Information about Net Periodic Benefit Cost for Pension Plans

	The following table provides information about net periodic benefit cost for the pension plans during the three months ended
November 30, 2016 and 2015 (in thousands):
			Three months ended
			November 30, 2016		November 30, 2015
		Service cost	$	259	$	222
		Interest cost		746		1,268
		Expected long-term return on plan assets		(1,129)		(1,463)
		Recognized actuarial loss		476		266
		Amortization of prior service cost		(34)		(35)
		Net periodic benefit cost	$	318	$	258