XML 28 R19.htm IDEA: XBRL DOCUMENT
v3.23.2

PENSION AND POST-RETIREMENT PLANS | 6 Months Ended
--- | ---
Jun. 30, 2023
PENSION AND POST-RETIREMENT PLANS |
PENSION AND POST-RETIREMENT PLANS | 12. PENSION AND POST-RETIREMENT PLANS ​ The Company’s pension and post-retirement plans are described in Note 11 to the Consolidated Financial Statements included in Part II, Item 8 of the Company’s Annual Report on Form 10-K for the year ended December 31, 2022. Components of net periodic benefit cost and other amounts recognized in Other Comprehensive Income (Loss) for the qualified pension plans and the post-retirement benefit plans for the three and six months ended June 30, 2023 and 2022 consisted of the following: ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Pension Benefits | ​ | Post-retirement Benefits
​ | ​ | Three Months Ended June 30, | ​ | Three Months Ended June 30,
(In millions) |  | 2023 |  | 2022 |  | 2023 |  | 2022
Components of net periodic benefit cost (benefit): | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Service cost | ​ | $ | 1.0 | ​ | $ | 1.2 | ​ | $ | — | ​ | $ | 0.1
Interest cost | ​ |  | 2.5 | ​ |  | 1.6 | ​ |  | 0.2 | ​ |  | 0.2
Expected return on plan assets | ​ |  | (3.7) | ​ |  | (4.0) | ​ |  | — | ​ |  | —
Amortization of net loss (gain) | ​ |  | 0.4 | ​ |  | 0.9 | ​ |  | (0.5) | ​ |  | 0.2
Amortization of prior service credit | ​ |  | — | ​ |  | (0.2) | ​ |  | (0.9) | ​ |  | (0.9)
Net periodic benefit cost (benefit) | ​ | $ | 0.2 | ​ | $ | (0.5) | ​ | $ | (1.2) | ​ | $ | (0.4)
​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Pension Benefits | ​ | Post-retirement Benefits
​ | ​ | Six Months Ended June 30, | ​ | Six Months Ended June 30,
(In millions) |  | 2023 |  | 2022 |  | 2023 |  | 2022
Components of net periodic benefit cost (benefit): | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Service cost | ​ | $ | 2.0 | ​ | $ | 2.4 | ​ | $ | 0.1 | ​ | $ | 0.3
Interest cost | ​ |  | 5.0 | ​ |  | 3.3 | ​ |  | 0.4 | ​ |  | 0.4
Expected return on plan assets | ​ |  | (7.4) | ​ |  | (7.9) | ​ |  | — | ​ |  | —
Amortization of net loss (gain) | ​ |  | 0.7 | ​ |  | 1.7 | ​ |  | (1.0) | ​ |  | 0.4
Amortization of prior service credit | ​ |  | — | ​ |  | (0.5) | ​ |  | (1.8) | ​ |  | (1.8)
Net periodic benefit cost (benefit) | ​ | $ | 0.3 | ​ | $ | (1.0) | ​ | $ | (2.3) | ​ | $ | (0.7)
​

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

X
- Definition The entire disclosure for retirement benefits. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 715 -SubTopic 70 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Publisher FASB -URI https://asc.fasb.org//1943274/2147480794/715-70-50-1 Reference 2: http://www.xbrl.org/2003/role/exampleRef -Topic 715 -SubTopic 20 -Name Accounting Standards Codification -Section 55 -Paragraph 17 -Publisher FASB -URI https://asc.fasb.org//1943274/2147480482/715-20-55-17 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 715 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (d)(iv)(03) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480506/715-20-50-1 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Topic 715 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (d)(i) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480506/715-20-50-1 Reference 5: http://www.xbrl.org/2003/role/disclosureRef -Topic 715 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (q) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480506/715-20-50-1 Reference 6: http://www.xbrl.org/2003/role/disclosureRef -Topic 715 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (l) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480506/715-20-50-1 Reference 7: http://www.xbrl.org/2003/role/disclosureRef -Topic 715 -Name Accounting Standards Codification -Publisher FASB -URI https://asc.fasb.org//715/tableOfContent Reference 8: http://www.xbrl.org/2003/role/disclosureRef -Topic 715 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (d)(iii) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480506/715-20-50-1 Reference 9: http://www.xbrl.org/2003/role/disclosureRef -Topic 715 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (o) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480506/715-20-50-1 Reference 10: http://www.xbrl.org/2003/role/disclosureRef -Topic 715 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (p) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480506/715-20-50-1 Reference 11: http://www.xbrl.org/2003/role/disclosureRef -Topic 715 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (r)(1) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480506/715-20-50-1 Reference 12: http://www.xbrl.org/2003/role/disclosureRef -Topic 715 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (r)(2) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480506/715-20-50-1 Reference 13: http://www.xbrl.org/2003/role/disclosureRef -Topic 715 -SubTopic 20 -Name Accounting Standards Codification -Section S99 -Paragraph 2 -Publisher FASB -URI https://asc.fasb.org//1943274/2147480126/715-20-S99-2 Reference 14: http://www.xbrl.org/2003/role/disclosureRef -Topic 715 -SubTopic 60 -Name Accounting Standards Codification -Section 50 -Paragraph 3 -Subparagraph (c) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480266/715-60-50-3 + Details
Name: | us-gaap_PensionAndOtherPostretirementBenefitsDisclosureTextBlock
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration