Defined benefit plan settlement benefit obligation before tax.

No definition available.

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- Definition

Transfer of defined benefit plan benefit obligation related to qualified plan to insurance company.

+ References

No definition available.

+ Details

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- Definition

Weighted average rate for present value of future retirement benefits cash flows, used to determine benefit obligation of defined benefit plan.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 715
-SubTopic 20
-Section 50
-Paragraph 1
-Subparagraph (k)(1)
-URI http://asc.fasb.org/extlink&oid=118255775&loc=d3e1928-114920

+ Details

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- Definition

Amount of (increase) decrease to benefit obligation of defined benefit plan from remeasurement due to settlement. Excludes decrease to benefit obligation for settlement payment.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 715
-SubTopic 20
-Section 50
-Paragraph 1
-Subparagraph (a)(10)
-URI http://asc.fasb.org/extlink&oid=118255775&loc=d3e1928-114920

+ Details

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- Definition

Amount of increase (decrease) in benefit obligation of defined benefit plan.

+ References

No definition available.

+ Details

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

+ Details

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- Definition

Amount of cash outflow for pension and other postretirement benefits. Includes, but is not limited to, employer contribution to fund plan asset and payment to retiree.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 25
-Subparagraph (g)
-URI http://asc.fasb.org/extlink&oid=121586364&loc=d3e3536-108585

+ Details

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- Details

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- Details

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Pension and Other Postretirement Employee Benefits (Narrative) (Details) - USD ($)	3 Months Ended	9 Months Ended
	Mar. 31, 2020	Sep. 30, 2020	Sep. 30, 2019	Feb. 29, 2020	Dec. 31, 2019
Defined Benefit Plan Disclosure [Line Items]
Funding of pension and other postretirement benefit plans		$ 8,458,000	$ 4,612,000
Pension Plans [Member]
Defined Benefit Plan Disclosure [Line Items]
Change in monthly retirement benefit amount		$ 0
Non-cash pretax settlement charge	$ 43,000,000.0
Reduction in funded status of qualified pension plans	$ (26,200,000)
Qualified Plan [Member] \| Pension Plans [Member]
Defined Benefit Plan Disclosure [Line Items]
Discount rate used to measure projected benefit obligations for qualified pension plans		2.95%			3.40%
Qualified Plan [Member] \| Pension Plans [Member] \| Funded with Plan Assets [Member]
Defined Benefit Plan Disclosure [Line Items]
Transfer of outstanding pension benefit obligation related to qualified pension plans to insurance company				$ 101,100,000
Reduction in funded status of qualified pension plans		$ 26,200,000