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v3.19.1

Statements of Consolidated Income (Unaudited) - USD ($) shares in Thousands, $ in Millions | 3 Months Ended
--- | ---
Mar. 31, 2019 | Mar. 31, 2018
Income Statement [Abstract] |  |
Revenues | $ 395.2 | $ 388.0
Costs and expenses: |  |
Cost of products sold, excluding depreciation and amortization and other items | 315.1 | 316.7
Depreciation and amortization | 11.9 | 10.5
Selling, general, administrative, research and development | 25.2 | 23.6
Other operating charges, net | 0.0 | 0.1
Total costs and expenses | 352.2 | 350.9
Operating income | 43.0 | 37.1
Other income (expense): |  |
Interest expense | (5.7) | (5.6)
Other income, net | 0.5 | 0.1
Income before income taxes | 37.8 | 31.6
Income tax provision | (9.8) | (5.9)
Net income | $ 28.0 | $ 25.7
Net income per common share: |  |
Basic (in dollars per share) | $ 1.74 | $ 1.54
Diluted (in dollars per share) | $ 1.71 | $ 1.51
Weighted-average number of common shares outstanding (in thousands): |  |
Basic (shares) | 16,108 | 16,707
Diluted (shares) | 16,372 | 17,031

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