Retirement Plans and Other Postretirement Benefits - Estimated Future Benefit Payments (Details) $ in Thousands	Dec. 31, 2021 USD ($)
Pension Benefits
Estimated Future Benefit Payments
2022	$ 220,549
2023	219,132
2024	221,724
2025	222,356
2026	221,709
Years 2027-2031	1,121,557
Other Benefits
Estimated Future Benefit Payments
2022	31,244
2023	31,658
2024	31,486
2025	30,988
2026	30,780
Years 2027-2031	$ 151,194

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- Definition

Amount of benefit for defined benefit plan expected to be paid in five fiscal years after fifth fiscal year following current fiscal year.

+ 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 (f)
-URI http://asc.fasb.org/extlink&oid=123447040&loc=d3e1928-114920

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Amount of benefit for defined benefit plan expected to be paid in next fiscal year following current fiscal year.

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Amount of benefit for defined benefit plan expected to be paid in fifth fiscal year following current fiscal year.

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Amount of benefit for defined benefit plan expected to be paid in fourth fiscal year following current fiscal year.

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Amount of benefit for defined benefit plan expected to be paid in third fiscal year following current fiscal year.

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Amount of benefit for defined benefit plan expected to be paid in second fiscal year following current fiscal year.

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