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Goodwill and Intangible Assets - Finite-lived and Indefinite-lived Intangible Assets (Details) - USD ($) $ in Millions | 12 Months Ended |
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Dec. 31, 2020 | Dec. 31, 2019
Finite-lived and Indefinite-lived Intangible Assets |  |
Weighted-average Estimated Useful Life | 13 years |
Gross Carrying Amount | $ 436.0 | $ 504.7
Accumulated Amortization | (86.8) | (140.2)
Total intangible assets | 579.9 | 662.6
Trademarks and trade names |  |
Finite-lived and Indefinite-lived Intangible Assets |  |
Trademarks and trade names | $ 143.9 | 157.9
Customer relationships |  |
Finite-lived and Indefinite-lived Intangible Assets |  |
Weighted-average Estimated Useful Life | 13 years |
Gross Carrying Amount | $ 302.5 | 380.3
Accumulated Amortization | $ (59.9) | (115.0)
Unpatented technology |  |
Finite-lived and Indefinite-lived Intangible Assets |  |
Weighted-average Estimated Useful Life | 13 years |
Gross Carrying Amount | $ 110.4 | 90.1
Accumulated Amortization | $ (22.3) | (13.0)
Patents and other |  |
Finite-lived and Indefinite-lived Intangible Assets |  |
Weighted-average Estimated Useful Life | 5 years |
Gross Carrying Amount | $ 8.4 | 20.9
Accumulated Amortization | $ (1.8) | (9.8)
Trademarks and trade names |  |
Finite-lived and Indefinite-lived Intangible Assets |  |
Weighted-average Estimated Useful Life | 14 years |
Gross Carrying Amount | $ 3.6 | 2.4
Accumulated Amortization | $ (1.4) | (1.2)
Land rights |  |
Finite-lived and Indefinite-lived Intangible Assets |  |
Weighted-average Estimated Useful Life | 50 years |
Gross Carrying Amount | $ 11.1 | 11.0
Accumulated Amortization | $ (1.4) | $ (1.2)

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- Definition Weighted average amortization period of finite-lived intangible assets acquired either individually or as part of a group of assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 1 -Subparagraph (a)(3) -URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16265-109275 + Details
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- Definition Accumulated amount of amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (a)(1) -URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275 + Details
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- Definition Amount before amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 928 -SubTopic 340 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6473545&loc=d3e61844-108004 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (a)(1) -URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275 + Details
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- Definition Amount of assets, excluding financial assets and goodwill, lacking physical substance and having a projected indefinite period of benefit. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275 + Details
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