|
Condensed Statements of Comprehensive Income (USD $)
In Millions, unless otherwise specified |
3 Months Ended | 9 Months Ended | ||
|---|---|---|---|---|
|
Sep. 30, 2014
|
Sep. 30, 2013
|
Sep. 30, 2014
|
Sep. 30, 2013
|
|
| Comprehensive Income (Loss), Net of Tax, Attributable to Parent [Abstract] | ||||
| Net income | $ 26.1 | $ 69.7 | $ 92.9 | $ 153.9 |
| Other comprehensive income, net of tax: | ||||
| Foreign currency translation adjustments | (1.5) | 0.4 | (0.5) | (1.8) |
| Unrealized (losses) gains on derivative contracts | (2.0) | 4.1 | (2.3) | (5.3) |
| Amortization of prior service costs and actuarial losses | 3.5 | 4.9 | 11.5 | 15.3 |
| Total other comprehensive income, net of tax | 0 | 9.4 | 8.7 | 8.2 |
| Comprehensive income | $ 26.1 | $ 79.1 | $ 101.6 | $ 162.1 |