Goodwill as of March 31, 2020 and December 31, 2019 and changes in the carrying amount of goodwill by segment were as follows: | | | | | | | | | | | | | | | | | | | | | | | | | (In millions) | Specialty Engineered Materials | | Color, Additives and Inks | | PolyOne Distribution | | Total | | Balance at December 31, 2019 | $ | 236.3 | | | $ | 447.8 | | | $ | 1.6 | | | $ | 685.7 | | |
| Currency translation | (1.0) | | | (0.5) | | | — | | | (1.5) | | | Balance at March 31, 2020 | $ | 235.3 | | | $ | 447.3 | | | $ | 1.6 | | | $ | 684.2 | |
Indefinite and finite-lived intangible assets consisted of the following: | | | | | | | | | | | | | | | | | | | | | | | | | | As of March 31, 2020 | | (In millions) | Acquisition Cost | | Accumulated Amortization | | Currency Translation | | Net | | Customer relationships | $ | 286.8 | | | $ | (92.6) | | | $ | (1.2) | | | $ | 193.0 | | | Patents, technology and other | 244.0 | | | (83.4) | | | (1.7) | | | 158.9 | | | Indefinite-lived trade names | 109.5 | | | — | | | — | | | 109.5 | | | Total | $ | 640.3 | | | $ | (176.0) | | | $ | (2.9) | | | $ | 461.4 | |
| | | | | | | | | | | | | | | | | | | | | | | | | | As of December 31, 2019 | | (In millions) | Acquisition Cost | | Accumulated Amortization | | Currency Translation | | Net | | Customer relationships | $ | 286.8 | | | $ | (89.1) | | | $ | (1.0) | | | $ | 196.7 | | | Patents, technology and other | 244.0 | | | (79.6) | | | (1.3) | | | 163.1 | | | Indefinite-lived trade names | 109.5 | | | — | | | — | | | 109.5 | | | Total | $ | 640.3 | | | $ | (168.7) | | | $ | (2.3) | | | $ | 469.3 | |
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