XML 58 R39.htm IDEA: XBRL DOCUMENT
v3.20.1

PENSIONS AND OTHER POSTRETIREMENT BENEFITS (Tables) | 3 Months Ended
--- | ---
Mar. 31, 2020
Postemployment Benefits [Abstract] |
Schedule of Net Benefit Costs | The following are the components of defined benefit pension and OPEB costs: Defined Benefit Pension Costs
| (In Millions)
| Three Months Ended March 31,
| 2020 |  | 2019
Service cost | $ | 5.3 |  |  | $ | 4.1 |
Interest cost | 8.2 |  |  | 8.7 |
Expected return on plan assets | (18.5 | ) |  | (13.6 | )
Amortization: |  |  |
Prior service costs | 0.2 |  |  | 0.3 |
Net actuarial loss | 6.7 |  |  | 5.9 |
Net periodic benefit cost | $ | 1.9 |  |  | $ | 5.4 |
OPEB Credits
| (In Millions)
| Three Months Ended March 31,
| 2020 |  | 2019
Service cost | $ | 0.5 |  |  | $ | 0.4 |
Interest cost | 2.2 |  |  | 2.3 |
Expected return on plan assets | (4.5 | ) |  | (4.2 | )
Amortization: |  |  |
Prior service credits | (0.5 | ) |  | (0.5 | )
Net actuarial loss | 0.7 |  |  | 1.3 |
Net periodic benefit credit | $ | (1.6 | ) |  | $ | (0.7 | )

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

X
- Definition Tabular disclosure of the components of net benefit costs for pension plans and/or other employee benefit plans including service cost, interest cost, expected return on plan assets, gain (loss), prior service cost or credit, transition asset or obligation, and gain (loss) recognized due to settlements or curtailments. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (h) -URI http://asc.fasb.org/extlink&oid=118255775&loc=d3e1928-114920 + Details
Name: | us-gaap_ScheduleOfNetBenefitCostsTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration