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Pension And Other Postretirement Benefit Plans (Tables)

6 Months Ended

Sep. 30, 2022

Retirement Benefits [Abstract]

Components of Company's Net Periodic Benefit Cost

The components of the Company’s net periodic benefit cost were as follows:

						Pension Benefits												Other Postretirement Benefits
						Three Months Ended September 30,												Three Months Ended September 30,
(in thousands of dollars)						2022						2021						2022						2021
Service cost						$	1,503					$	1,653					$	32					$	47
Interest cost						2,351						2,254						235						241
Expected return on plan assets						(3,324)						(3,387)						(19)						(22)
Net amortization and deferral						1,001						976						(167)						(116)
Net periodic benefit cost						$	1,531					$	1,496					$	81					$	150

						Pension Benefits												Other Postretirement Benefits
						Six Months Ended September 30,												Six Months Ended September 30,
(in thousands of dollars)						2022						2021						2022						2021
Service cost						$	3,048					$	3,303					$	64					$	94
Interest cost						4,686						4,513						476						480
Expected return on plan assets						(6,648)						(6,772)						(38)						(44)
Net amortization and deferral						2,002						1,952						(339)						(231)
Net periodic benefit cost						$	3,088					$	2,996					$	163					$	299

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- References

No definition available.

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- Definition

Tabular disclosure of one or more of the entity's defined benefit pension plans or one or more other defined benefit postretirement plans, separately for pension plans and other postretirement benefit plans including the entity's schedule of fair value of plan assets for defined benefit or other postretirement plans.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 715
-SubTopic 20
-Section 55
-Paragraph 17
-URI https://asc.fasb.org/extlink&oid=123450688&loc=d3e4179-114921

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 715
-SubTopic 20
-Section 50
-Paragraph 4
-URI https://asc.fasb.org/extlink&oid=123447040&loc=d3e2439-114920

Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 715
-SubTopic 20
-Section 50
-Paragraph 1
-URI https://asc.fasb.org/extlink&oid=123447040&loc=d3e1928-114920

Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 715
-SubTopic 20
-Section 50
-Paragraph 2
-URI https://asc.fasb.org/extlink&oid=123447040&loc=d3e2410-114920

Reference 5: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 715
-SubTopic 20
-Section 50
-Paragraph 3
-URI https://asc.fasb.org/extlink&oid=123447040&loc=d3e2417-114920

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