Business Acquisition - Pro Forma Information (Details) - USD ($) $ / shares in Units, $ in Millions |
3 Months Ended | 9 Months Ended | ||
|---|---|---|---|---|
Sep. 30, 2016 |
Sep. 30, 2015 |
Sep. 30, 2016 |
Sep. 30, 2015 |
|
| Business Combinations [Abstract] | ||||
| Net sales | $ 397.5 | $ 403.1 | $ 1,199.8 | $ 1,212.6 |
| Net income | $ 11.1 | $ (469.5) | $ 34.6 | $ (442.6) |
| Earnings per share: | ||||
| Basic (in dollars per share) | $ 0.24 | $ (10.07) | $ 0.74 | $ (9.50) |
| Diluted (in dollars per share) | $ 0.24 | $ (10.07) | $ 0.74 | $ (9.50) |