XML 57 R45.htm IDEA: XBRL DOCUMENT
v3.19.1

EMPLOYEE BENEFITS (Tables) | 3 Months Ended
--- | ---
Mar. 31, 2019
Retirement Benefits [Abstract] |
Schedule of net benefit costs | The following tables show the components of net periodic pension and OPEB costs for our benefit plans.
|  | Pension Costs
|  | Three Months Ended March 31
(in millions) |  | 2019 |  | 2018
Service cost |  | $ | 11.3 |  |  | $ | 12.0 |
Interest cost |  | 30.6 |  |  | 28.3 |
Expected return on plan assets |  | (48.7 | ) |  | (49.6 | )
Loss on plan settlement |  | 0.8 |  |  | 0.4 |
Amortization of prior service cost |  | 0.6 |  |  | 0.7 |
Amortization of net actuarial loss |  | 19.0 |  |  | 23.1 |
Net periodic benefit cost |  | $ | 13.6 |  |  | $ | 14.9 |
|  | OPEB Costs
|  | Three Months Ended March 31
(in millions) |  | 2019 |  | 2018
Service cost |  | $ | 4.4 |  |  | $ | 6.2 |
Interest cost |  | 6.5 |  |  | 7.5 |
Expected return on plan assets |  | (13.7 | ) |  | (14.9 | )
Amortization of prior service credit |  | (3.9 | ) |  | (3.8 | )
Amortization of net actuarial (gain) loss |  | (0.7 | ) |  | 0.3 |
Net periodic benefit credit |  | $ | (7.4 | ) |  | $ | (4.7 | )

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 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=108410482&loc=d3e1928-114920 + Details
Name: | us-gaap_ScheduleOfNetBenefitCostsTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration