XML 34 R17.htm IDEA: XBRL DOCUMENT
v3.24.3

PENSION AND OTHER POSTRETIREMENT BENEFIT PLANS | 9 Months Ended
--- | ---
Sep. 30, 2024
Retirement Benefits [Abstract] |
PENSION AND OTHER POSTRETIREMENT BENEFIT PLANS | PENSION AND OTHER POSTRETIREMENT BENEFIT PLANS
Components of Net Periodic Benefit Cost (Credit) | Pension |  | Other Postretirement
| 2024 |  | 2023 |  | 2024 |  | 2023
Millions |  |  |  |  |  |  |
Quarter Ended September 30, |  |  |  |  |  |  |
Service Cost | $1.6 |  |  | $1.7 |  |  | $0.3 |  |  | $0.6 |
Non-Service Cost Components (a) |  |  |  |  |  |  |
Interest Cost | 9.7 |  |  | 10.2 |  |  | 1.0 |  |  | 1.6 |
Expected Return on Plan Assets | (11.2) |  |  | (10.9) |  |  | (2.7) |  |  | (2.9) |
Amortization of Prior Service Credits | (0.1) |  |  | (0.1) |  |  | (2.9) |  |  | (1.8) |
Amortization of Net Loss (Gain) | 1.7 |  |  | 1.4 |  |  | (0.8) |  |  | (0.6) |
Net Periodic Benefit Cost (Credit) | $1.7 |  |  | $2.3 |  |  | $(5.1) |  | $(3.1)
Nine Months Ended September 30, |  |  |  |  |  |  |
Service Cost | $4.9 |  |  | $4.9 |  |  | $1.1 |  |  | $1.7 |
Non-Service Cost Components (a) |  |  |  |  |  |  |
Interest Cost | 29.0 |  |  | 30.4 |  |  | 2.9 |  |  | 4.6 |
Expected Return on Plan Assets | (33.6) |  |  | (32.8) |  |  | (8.3) |  |  | (8.5) |
Amortization of Prior Service Credits | (0.1) |  |  | (0.1) |  |  | (8.7) |  |  | (5.3) |
Amortization of Net Loss (Gain) | 4.9 |  |  | 4.3 |  |  | (2.4) |  |  | (1.7) |
Net Periodic Benefit Cost (Credit) | $5.1 |  |  | $6.7 |  |  | $(15.4) |  | $(9.2)
(a)These components of net periodic benefit cost (credit) are included in the line item “Other” under Other Income (Expense) on the Consolidated Statement of Income. Employer Contributions. For the nine months ended September 30, 2024, we contributed $25.0 million in cash to the defined benefit pension plans ($17.3 million for the nine months ended September 30, 2023); we do not expect to make additional contributions to our defined benefit pension plans in 2024. For the nine months ended September 30, 2024, and 2023, we made no contributions to our other postretirement benefit plans; we do not expect to make any contributions to our other postretirement benefit plans in 2024.

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