| **Consolidated Statements Of Comprehensive Loss (USD $)In Millions, unless otherwise specified** | 3 Months Ended | 9 Months Ended |
|--------------------------------------------------------------------------------------------------|----------------|----------------|
||
| Net income                                                                                       | $ 26.4         | $ 55.2         | $ 26.9 | $ 132.0 |
| **Unrealized gain on derivative financial instruments:**                                         |           |           |   |   |
| Gain (loss) arising during period                                                                | (1.6)          | (2.1)          | 3.1 | (1.0) |
| Reclassification of gain included in net income                                                  | (1.6)          | (0.9)          | (3.3) | (2.3) |
| **Foreign currency translation:**                                                                |           |           |   |   |
| Foreign currency translation adjustments                                                         | 0.2            | 40.1           | (44.4) | 5.1 |
| **Pension and other post-retirement plans:**                                                     |           |           |   |   |
| Amortization of actuarial loss and prior service cost included in net income                     | 2.8            | 1.9            | 8.5 | 5.9 |
| Other                                                                                            | (4.7)          | (3.7)          | 0 | (3.2) |
| Other comprehensive income (loss), before tax                                                    | (4.9)          | 35.3           | (36.1) | 4.5 |
| Income tax expense (benefit) related to items of other comprehensive income (loss)               | 1.1            | (0.8)          | (2.9) | (1.9) |
| Comprehensive income (loss)                                                                      | $ 22.6         | $ 89.7         | $ (12.1) | $ 134.6 |

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Amount after tax of increase (decrease) in equity from transactions and other events and circumstances from net income and other comprehensive income, attributable to parent entity. Excludes changes in equity resulting from investments by owners and distributions to owners.
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The portion of profit or loss for the period, net of income taxes, which is attributable to the parent.
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Amount before tax and reclassification adjustments of gain (loss) on foreign currency translation adjustments, foreign currency transactions designated and effective as economic hedges of a net investment in a foreign entity and intra-entity foreign currency transactions that are of a long-term-investment nature.
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Amount before tax of other comprehensive income (loss) attributable to parent entity.
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Amount before tax of reclassification adjustment from accumulated other comprehensive income of accumulated gain (loss) realized from derivative instruments designated and qualifying as the effective portion of cash flow hedges and an entity's share of an equity investee's deferred hedging gain (loss).
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Amount before tax of reclassification adjustment from accumulated other comprehensive income (loss) for actuarial gain (loss) related to pension and other postretirement benefit plans.
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Amount of tax expense (benefit) allocated to other comprehensive income (loss) attributable to parent entity.
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Amount before tax of increase (decrease) in accumulated gain (loss) from derivative instruments designated and qualifying as the effective portion of cash flow hedges and an entity's share of an equity investee's increase (decrease) in deferred hedging gain (loss).
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