Pensions and Postretirement Benefits (Tables)

3 Months Ended

Nov. 30, 2019

Pensions and Other Postretirement Benefits

Schedule of components of net periodic benefit cost

	Three Months Ended November 30,
	2019		2018
Components of net periodic benefit cost
Service cost	$	73	$	73
Interest cost		113		178
Expected return on plan assets		(98)		(112)
Amortization of prior service cost		1		1
Amortization of accumulated loss		174		118
Curtailment and settlement loss		—		200
Net periodic benefit cost	$	263	$	458