Condensed Statements of Comprehensive Income (Loss) - USD ($) $ in Millions |
3 Months Ended | 9 Months Ended | ||
|---|---|---|---|---|
Sep. 30, 2017 |
Sep. 30, 2016 |
Sep. 30, 2017 |
Sep. 30, 2016 |
|
| Comprehensive Income (Loss), Net of Tax, Attributable to Parent [Abstract] | ||||
| Net income (loss) | $ 52.7 | $ 17.5 | $ 60.2 | $ (21.4) |
| Other comprehensive income, net of tax: | ||||
| Foreign currency translation adjustments, net | 9.8 | 4.6 | 31.7 | 9.3 |
| Unrealized gains (losses) on derivative contracts, net | 1.3 | 2.6 | (4.4) | 3.8 |
| Pension and postretirement liability adjustments, net | 0.0 | 3.1 | 0.0 | 3.1 |
| Amortization of prior service costs and actuarial losses, net | 4.3 | 2.3 | 12.7 | 9.6 |
| Total other comprehensive income, net of tax | 15.4 | 12.6 | 40.0 | 25.8 |
| Comprehensive income | $ 68.1 | $ 30.1 | $ 100.2 | $ 4.4 |