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Property, Plant, and Equipment (Tables) | 6 Months Ended
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Jun. 30, 2014
Property, Plant and Equipment [Abstract] |
Summary of costs for property, plant, and equipment | A summary of costs for property, plant, and equipment is as follows:
| June 30, 2014 |  | December 31, 2013
| (in millions)
Land and improvements | $ | 36.7 |  |  | $ | 36.1 |
Buildings | 44.6 |  |  | 42.6 |
Machinery and equipment | 2,341.4 |  |  | 2,312.5 |
Automotive equipment | 20.0 |  |  | 19.2 |
Furniture and fixtures | 19.3 |  |  | 18.3 |
Leasehold improvements | 2.8 |  |  | 2.5 |
Aircraft | 2.3 |  |  | 2.3 |
Railcars | 7.9 |  |  | 7.9 |
Construction in progress | 231.7 |  |  | 164.9 |
| 2,706.7 |  |  | 2,606.3 |
Accumulated depreciation | 812.5 |  |  | 741.9 |
Total property, plant and equipment, net | $ | 1,894.2 |  |  | $ | 1,864.4 |

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- Definition Tabular disclosure of the components of property, plant and equipment. + References No definition available. + Details
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- Details
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