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Supplemental Information | 12 Months Ended
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Dec. 31, 2020
Supplemental Information [Abstract] |
Supplemental Information | Expenses included in our Consolidated Statements of Operations Below is information about expenses included in Selling, general and administrative expenses in our Consolidated Statements of Operations (in millions):
| For the Years Ended December 31,
| 2020 |  | 2019 |  | 2018
Research and development | $ | 66.8 |  |  | $ | 69.9 |  |  | $ | 72.2 |
Advertising, promotions and marketing (1) | 26.5 |  |  | 43.7 |  |  | 42.5 |
Cooperative advertising expenditures | 22.2 |  |  | 21.3 |  |  | 16.8 |
(1) Cooperative advertising expenditures were not included in these amounts. Interest Expense, net The components of Interest expense, net in our Consolidated Statements of Operations were as follows (in millions):
| For the Years Ended December 31,
| 2020 |  | 2019 |  | 2018
Interest expense, net of capitalized interest | $ | 29.7 |  |  | $ | 48.6 |  |  | $ | 39.1 |
Less: Interest income | 1.4 |  |  | 1.1 |  |  | 0.8 |
Interest expense, net | $ | 28.3 |  |  | $ | 47.5 |  |  | $ | 38.3 |

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