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Other Noncurrent Liabilities (Tables) | 6 Months Ended
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Jun. 30, 2015
Other Liabilities Disclosure [Abstract] |
Other Noncurrent Liabilities |
| December 31, 2014 |  |  | June 30, 2015 |
| (In millions) |
Reserve for uncertain tax positions | $ | 34.1 |  |  | $ | 29.1 |
Asset retirement obligations |  | 27.2 |  |  |  | 28.1 |
Deferred income |  | 18.9 |  |  |  | 11.5 |
Employee benefits |  | 8.1 |  |  |  | 7.4 |
Insurance claims and expenses |  | 9.5 |  |  |  | 9.6 |
Deferred payment obligation |  | 8.5 |  |  |  | 8.6 |
Accrued workforce reduction costs |  | — |  |  |  | 2.9 |
Other |  | 6.4 |  |  |  | 6.7 |
Total | $ | 112.7 |  |  | $ | 103.9 |

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