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CONSOLIDATED STATEMENTS OF INCOME - USD ($) shares in Millions, $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2020 | Dec. 31, 2019 | Dec. 31, 2018
Revenues and other income: |  |  |
Net sales | $ 1,849.7 | $ 1,897.5 | $ 1,820.1
Other income, net | 28.4 | 40.9 | 69.2
Total revenues and other income | 1,878.1 | 1,938.4 | 1,889.3
Cost and expenses: |  |  |
Cost of sales | 1,437.6 | 1,462.9 | 1,210.9
Selling, general and administrative | 283.6 | 294.2 | 310.0
Litigation settlement expense, net |  | 19.3 | 62.0
Other components of net periodic pension expense | 20.1 | 16.5 | 14.5
Interest | 36.2 | 40.8 | 55.7
Total costs and expenses | 1,777.5 | 1,833.7 | 1,653.1
Income from continuing operations before income taxes | 100.6 | 104.7 | 236.2
Income tax expense (benefit) | 15.9 | 26.5 | (30.7)
Net income from continuing operations | 84.7 | 78.2 | 266.9
Income from discontinued operations, net of tax | 4.3 |  | 34.1
Net income | 89.0 | 78.2 | 301.0
Noncontrolling interest in net income of subsidiaries | 33.8 | 29.0 | 38.8
Net income attributable to Valhi stockholders | 55.2 | 49.2 | 262.2
Amounts attributable to Valhi stockholders: |  |  |
Income from continuing operations | 50.9 | 49.2 | 228.1
Income from discontinued operations | 4.3 |  | 34.1
Net income attributable to Valhi stockholders | $ 55.2 | $ 49.2 | $ 262.2
Basic and diluted net income per share: |  |  |
Income from continuing operations | $ 1.79 | $ 1.73 | $ 8.00
Income from discontinued operations | 0.15 |  | 1.20
Net income per basic and diluted share | $ 1.94 | $ 1.73 | $ 9.20
Basic and diluted weighted average shares outstanding | 28.5 | 28.5 | 28.5

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