XML 47 R29.htm IDEA: XBRL DOCUMENT v3.21.1

Benefit Plans (Tables)

3 Months Ended

Mar. 31, 2021

Retirement Benefits [Abstract]

Components of net periodic benefit cost

Table 10.1 provides the components of net periodic benefit cost for our pension, supplemental executive retirement and other postretirement benefit plans for the three months ended March 31, 2021 and 2020.

Components of net periodic benefit cost
Table			10.1
									Three Months Ended March 31,
									Pension and Supplemental Executive Retirement Plans												Other Postretirement Benefit Plans
(In thousands)									2021						2020						2021						2020
Service cost									$	1,664					$	1,821					$	364					$	309
Interest cost									2,810						3,414						164						214
Expected return on plan assets									(5,202)						(5,580)						(2,215)						(1,852)
Amortization of net actuarial losses/(gains)									1,550						1,634						(439)						(190)
Amortization of prior service cost/(credit)									(60)						(62)						53						13
Net periodic benefit cost (benefit)									$	762					$	1,227					$	(2,073)					$	(1,506)

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=118255775&loc=d3e1928-114920

+ Details

Name:	us-gaap_ScheduleOfNetBenefitCostsTableTextBlock
Namespace Prefix:	us-gaap_
Data Type:	nonnum:textBlockItemType
Balance Type:	na
Period Type:	duration