| **Property, Plant and Equipment (Details) - USD ($) $ in Millions**                                                                                                                                                                                                                                                                                                                         | 12 Months Ended |
|---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|-----------------|
||
| **Property, Plant and Equipment [Line Items]**                                                                                                                                                                                                                                                                                                                                              |                 |   |   |   |
| Property, plant and equipment                                                                                                                                                                                                                                                                                                                                                               |                 | $ 528.0 | $ 526.1 |   |
| Less: accumulated depreciation                                                                                                                                                                                                                                                                                                                                                              |                 | (329.6) | (317.0) |   |
| Property, plant and equipment, net                                                                                                                                                                                                                                                                                                                                                          | [1]             | 198.4 | 209.1 |   |
| Computer software included in net property, plant and equipment                                                                                                                                                                                                                                                                                                                             |                 | 34.7 | 40.7 |   |
| Amortization of software costs                                                                                                                                                                                                                                                                                                                                                              |                 | 7.0 | 6.1 | $ 7.4 |
| Land and improvements                                                                                                                                                                                                                                                                                                                                                                       |                 |   |   |   |
| **Property, Plant and Equipment [Line Items]**                                                                                                                                                                                                                                                                                                                                              |                 |   |   |   |
| Property, plant and equipment                                                                                                                                                                                                                                                                                                                                                               |                 | 18.9 | 17.6 |   |
| Building and improvements to leaseholds                                                                                                                                                                                                                                                                                                                                                     |                 |   |   |   |
| **Property, Plant and Equipment [Line Items]**                                                                                                                                                                                                                                                                                                                                              |                 |   |   |   |
| Property, plant and equipment                                                                                                                                                                                                                                                                                                                                                               |                 | 119.1 | 120.0 |   |
| Machinery and equipment                                                                                                                                                                                                                                                                                                                                                                     |                 |   |   |   |
| **Property, Plant and Equipment [Line Items]**                                                                                                                                                                                                                                                                                                                                              |                 |   |   |   |
| Property, plant and equipment                                                                                                                                                                                                                                                                                                                                                               |                 | 382.0 | 358.5 |   |
| Construction in progress                                                                                                                                                                                                                                                                                                                                                                    |                 |   |   |   |
| **Property, Plant and Equipment [Line Items]**                                                                                                                                                                                                                                                                                                                                              |                 |   |   |   |
| Property, plant and equipment                                                                                                                                                                                                                                                                                                                                                               |                 | $ 8.0 | $ 30.0 |   |
|                                                                                                                                                                                                                                                                                                                                                                                             |
| [1]Net property, plant and equipment as of December 31, 2016 and 2015 contained $34.7 million and $40.7 million of computer software assets, which are classified within machinery and equipment and construction in progress. Amortization of software costs was $7.0 million, $6.1 million and $7.4 million for the years ended December 31, 2016, 2015 and 2014, respectively. |

| X                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              |
|------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Definition
Amount of accumulated depreciation, depletion and amortization for physical assets used in the normal conduct of business to produce goods and services.
+ References
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| X                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      |
|--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Definition
Amount of expense for amortization of capitalized computer software costs.
+ References
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| X                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    |
|----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Definition
The carrying amount of capitalized computer software costs net of accumulated amortization as of the balance sheet date.
+ References
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| X                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      |
|----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Definition
Amount before accumulated depreciation, depletion and amortization of physical assets used in the normal conduct of business and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures.
+ References
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| X                                                                                                                                                                                                                                                                                                                                                                                                                          |
|----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Definition
Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.
+ References
No definition available.
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|----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Definition
Amount after accumulated depreciation, depletion and amortization of physical assets used in the normal conduct of business to produce goods and services and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures.
+ References
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