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Dispositions and Special Charges - Reconciliation of Pretax Loss on Discontinued Operations (Details) - USD ($) $ / shares in Units, $ in Millions | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2018 | Jun. 30, 2017 | Jun. 30, 2018 | Jun. 30, 2017
Discontinued Operations and Disposal Groups [Abstract] |  |  |  |
Net sales | $ 0.0 | $ 0.0 | $ 0.0 | $ 117.0
Cost of sales | 0.0 | 0.0 | 0.0 | 102.9
Gross profit | 0.0 | 0.0 | 0.0 | 14.1
Selling, distribution & administrative expenses | (0.4) | 1.4 | 0.0 | 20.0
Special charges | 0.0 | 4.4 | (0.7) | 28.3
Operating income (loss) from discontinued operations | 0.4 | (5.8) | 0.7 | (34.2)
Interest and other (income) expenses, net | (0.1) | 0.2 | (0.3) | 0.5
Income (loss) from discontinued operations before income taxes | 0.5 | (6.0) | 1.0 | (34.7)
Provision (benefit) for income taxes | 0.1 | (0.5) | 0.2 | (0.4)
Net income (loss) from discontinued operations | $ 0.4 | $ (5.5) | $ 0.8 | $ (34.3)
Net income (loss) per share – basic (in dollars per share) | $ 0.01 | $ (0.15) | $ 0.02 | $ (0.93)
Net income (loss) per share – diluted (in dollars per share) | $ 0.01 | $ (0.15) | $ 0.02 | $ (0.92)

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