Pension and Other Postretirement Benefits (Tables)

3 Months Ended

Oct. 31, 2022

Defined Benefit Plans and Other Postretirement Benefit Plans Disclosures [Abstract]

Schedule of Net Benefit Costs

The components of net periodic pension and postretirement health benefit costs were as follows:

	Pension Benefits
	(in thousands)
		For the Three Months Ended October 31,
		2022		2021
Interest cost		$	335	$	268
Expected return on plan assets		(558)		(647)
Amortization of:
Other actuarial loss		9		37
Net periodic benefit cost		$	(214)	$	(342)
	Postretirement Health Benefits
	(in thousands)
		For the Three Months Ended October 31,
		2022		2021
Service cost		$	22	$	33
Interest cost		20		16
Amortization of:
Other actuarial loss		(18)		—
Prior service costs		(2)		(1)
Net periodic benefit cost		$	22	$	48

Schedule of Assumptions Used

Assumptions used in the previous calculations were as follows:

	Pension Benefits				Postretirement Health Benefits
	For the Three Months Ended October 31,
	2022		2021		2022		2021
Discount rate for net periodic benefit cost	4.05	%	2.57	%	3.82	%	2.10	%
Rate of increase in compensation levels	—	%	—	%	—	%	—	%
Long-term expected rate of return on assets	6.50	%	6.50	%	—	%	—	%

The medical cost trend assumption for postretirement health benefits was 8.50%. The graded trend rate is expected to decrease to an ultimate rate of 4.90% in fiscal year 2044.