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Goodwill and Other Intangible Assets Summary of Other Intangible Assets (Tables) | 12 Months Ended
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Dec. 31, 2020
Summary of Other Intangible Assets [Abstract] |
Schedule of Finite-Lived Intangible Assets [Table Text Block] | The following table provides a summary of other intangible assets, which are included in our Consolidated Balance Sheets.
|  | December 31,
|  | 2020 |  | 2019
|  | Gross Amount |  | Accumulated Amortization |  | Net Amount |  | Gross Amount |  | Accumulated Amortization |  | Net Amount
Customer lists |  | $ | 859.5 |  |  | $ | (293.3) |  |  | $ | 566.2 |  |  | $ | 861.4 |  |  | $ | (244.6) |  |  | $ | 616.8 |
Know-how and technology |  | 235.4 |  |  | (58.9) |  |  | 176.5 |  |  | 235.0 |  |  | (32.9) |  |  | 202.1 |
Trade names |  | 224.4 |  |  | (44.1) |  |  | 180.3 |  |  | 226.2 |  |  | (41.3) |  |  | 184.9 |
Other |  | 14.6 |  |  | (4.0) |  |  | 10.6 |  |  | 14.3 |  |  | (3.8) |  |  | 10.5 |
Total |  | $ | 1,333.9 |  |  | $ | (400.3) |  |  | $ | 933.6 |  |  | $ | 1,336.9 |  |  | $ | (322.6) |  |  | $ | 1,014.3 |

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- Definition Tabular disclosure of assets, excluding financial assets and goodwill, lacking physical substance with a finite life, by either major class or business segment. + 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 (a) -URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16265-109275 + Details
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