Property, Plant, and Equipment (Details) - USD ($)
$ in Millions |
3 Months Ended |
9 Months Ended |
12 Months Ended |
Sep. 30, 2016 |
Sep. 30, 2015 |
Sep. 30, 2016 |
Sep. 30, 2015 |
Dec. 31, 2015 |
| Property, Plant, and Equipment [Line Items] |
|
|
|
|
|
| Property, plant, and equipment, at cost |
$ 5,952.4
|
|
$ 5,952.4
|
|
$ 5,714.8
|
| Less accumulated depreciation |
(3,073.7)
|
|
(3,073.7)
|
|
(2,882.7)
|
| Property, plant, and equipment, net |
2,878.7
|
|
2,878.7
|
|
2,832.1
|
| Depreciation [Abstract] |
|
|
|
|
|
| Depreciation expense |
79.9
|
$ 79.6
|
240.5
|
$ 243.5
|
|
| Incremental depreciation expense |
|
|
0.8
|
$ 9.0
|
|
| Purchases of property, plant, and equipment included in accounts payable |
|
|
20.1
|
|
15.0
|
| Land and Land Improvements |
|
|
|
|
|
| Property, Plant, and Equipment [Line Items] |
|
|
|
|
|
| Property, plant, and equipment, at cost |
148.6
|
|
148.6
|
|
146.4
|
| Buildings |
|
|
|
|
|
| Property, Plant, and Equipment [Line Items] |
|
|
|
|
|
| Property, plant, and equipment, at cost |
687.8
|
|
687.8
|
|
640.9
|
| Machinery and Equipment |
|
|
|
|
|
| Property, Plant, and Equipment [Line Items] |
|
|
|
|
|
| Property, plant, and equipment, at cost |
4,902.2
|
|
4,902.2
|
|
4,747.1
|
| Construction in Progress |
|
|
|
|
|
| Property, Plant, and Equipment [Line Items] |
|
|
|
|
|
| Property, plant, and equipment, at cost |
151.2
|
|
151.2
|
|
119.1
|
| Other |
|
|
|
|
|
| Property, Plant, and Equipment [Line Items] |
|
|
|
|
|
| Property, plant, and equipment, at cost |
$ 62.6
|
|
$ 62.6
|
|
$ 61.3
|