XML 40 R32.htm IDEA: XBRL DOCUMENT
v3.23.1

Pension and Other Postretirement Employee Benefits (Tables) | 3 Months Ended
--- | ---
Mar. 31, 2023
Retirement Benefits, Description [Abstract] |
Components of Net Periodic Cost (Benefit) | The following table details the components of net periodic cost (benefit) of our pension plans and other postretirement employee benefits (OPEB):
|  | Three Months Ended March 31, |
|  | Pension |  |  | OPEB |
(in thousands) |  | 2023 |  |  | 2022 |  |  | 2023 |  |  | 2022 |
Service cost |  | $ | 1,356 |  |  | $ | 1,849 |  |  | $ | 27 |  |  | $ | 79 |
Interest cost |  |  | 3,138 |  |  |  | 2,812 |  |  |  | 294 |  |  |  | 229 |
Expected return on plan assets |  |  | (3,028 | ) |  |  | (3,145 | ) |  |  | — |  |  |  | — |
Amortization of prior service cost |  |  | 11 |  |  |  | 18 |  |  |  | — |  |  |  | 156 |
Amortization of actuarial (gain) loss |  |  | (21 | ) |  |  | 1,954 |  |  |  | (166 | ) |  |  | (95 | )
Net periodic cost before pension settlement charge |  |  | 1,456 |  |  |  | 3,488 |  |  |  | 155 |  |  |  | 369 |
Pension settlement charge |  |  | — |  |  |  | 14,165 |  |  |  | — |  |  |  | — |
Total net periodic cost |  | $ | 1,456 |  |  | $ | 17,653 |  |  | $ | 155 |  |  | $ | 369 |

X
- References No definition available. + Details
Name: | us-gaap_GeneralDiscussionOfPensionAndOtherPostretirementBenefitsAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- 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 + Details
Name: | us-gaap_ScheduleOfDefinedBenefitPlansDisclosuresTextBlock
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration