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Goodwill and Other Intangible Assets - Net (Tables) | 3 Months Ended
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Mar. 31, 2020
Goodwill and Intangible Assets Disclosure [Abstract] |
Schedule of Finite-Lived and Indefinite-Lived Intangible Assets by Major Class | The following tables present other intangible assets—net as of March 31, 2020 and December 31, 2019 (in millions, except years):
| March 31, 2020
| Weighted-Average Useful Life (in Years) |  | Gross |  | Accumulated Amortization |  | Net
Other intangible assets—net: |  |  |  |  |  |  |
Finite-lived intangible assets: |  |  |  |  |  |  |
Developed technologies | 4.0 |  | $ | 48.8 |  |  | $ | 25.8 |  |  | $ | 23.0 |
Customer relationships | 4.1 |  | 21.6 |  |  | 17.5 |  |  | 4.1 |
Total other intangible assets—net |  |  | $ | 70.4 |  |  | $ | 43.3 |  |  | $ | 27.1 |
| December 31, 2019
| Weighted-Average Useful Life (in Years) |  | Gross |  | Accumulated Amortization |  | Net
Other intangible assets—net: |  |  |  |  |  |  |
Finite-lived intangible assets: |  |  |  |  |  |  |
Developed technologies | 4.0 |  | $ | 50.2 |  |  | $ | 24.6 |  |  | $ | 25.6 |
Customer relationships | 4.1 |  | 21.6 |  |  | 16.1 |  |  | 5.5 |
Total other intangible assets—net |  |  | $ | 71.8 |  |  | $ | 40.7 |  |  | $ | 31.1 |
Schedule of Finite-Lived Intangible Assets, Future Amortization Expense | The following table summarizes estimated future amortization expense of finite-lived intangible assets—net (in millions):
| Amount
Years: |
2020 (the remainder of 2020) | $ | 8.7 |
2021 | 8.3 |
2022 | 6.4 |
2023 | 3.7 |
Total | $ | 27.1 |

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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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- Definition Tabular disclosure of the amount of amortization expense expected to be recorded in succeeding fiscal years for finite-lived intangible assets. + 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 + Details
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