Benefit Plans - Estimated Benefit Payments for the Next Five Years (Details) $ in Millions	Dec. 31, 2020 USD ($)
Pension Benefits \| U.S. Plans
Defined Benefit Plan, Expected Future Benefit Payment [Abstract]
2021	$ 42.1
2022	31.4
2023	31.6
2024	29.8
2025	29.7
Aggregate 2025-2029	136.8
Expected future employer contributions in the next year	11.2
Pension Benefits \| Non-U.S. Plans
Defined Benefit Plan, Expected Future Benefit Payment [Abstract]
2021	13.1
2022	14.1
2023	14.0
2024	14.9
2025	16.8
Aggregate 2025-2029	85.6
Expected future employer contributions in the next year	8.2
Other Postretirement Benefits
Defined Benefit Plan, Expected Future Benefit Payment [Abstract]
2021	3.3
2022	3.2
2023	2.9
2024	2.7
2025	2.3
Aggregate 2025-2029	9.0
Expected future employer contributions in the next year	$ 3.3

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

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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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Amount of contribution expected to be received by defined benefit plan from employer in next fiscal year following current fiscal year.

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

Reference 2: http://www.xbrl.org/2003/role/exampleRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 715
-SubTopic 20
-Section 55
-Paragraph 18
-URI http://asc.fasb.org/extlink&oid=118257860&loc=d3e4587-114921

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