Pension and Other Postretirement Benefits - Future Benefit Payments (Details) $ in Millions	Dec. 31, 2018 USD ($)
Pension Benefits
Future service benefit payments
2019	$ 21.5
2020	21.7
2021	26.9
2022	23.0
2023	24.1
Years 2024-2028	128.3
Postretirement Benefits Other than Pensions
Future service benefit payments
2019	5.2
2020	4.9
2021	5.3
2022	5.3
2023	5.0
Years 2024-2028	$ 17.6

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- Definition

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

+ 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 (f)
-URI http://asc.fasb.org/extlink&oid=108410482&loc=d3e1928-114920

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

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

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

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

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

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