Restructuring, Impairment and Other Charges - Schedule of Restructuring, Impairment and Other Charges Recognized in Results of Operations (Details) - USD ($)
$ in Millions |
12 Months Ended |
Dec. 31, 2016 |
Dec. 31, 2015 |
Dec. 31, 2014 |
| Restructuring Cost And Reserve [Line Items] |
|
|
|
| Employee Terminations |
$ 3.7
|
$ 2.3
|
$ 0.7
|
| Other Restructuring Charges |
1.5
|
1.9
|
2.1
|
| Total Restructuring Charges |
5.2
|
4.2
|
2.8
|
| Impairment |
0.0
|
0.0
|
1.7
|
| Other Charges |
0.2
|
0.2
|
0.3
|
| Total |
5.4
|
4.4
|
4.8
|
| U.S. |
|
|
|
| Restructuring Cost And Reserve [Line Items] |
|
|
|
| Employee Terminations |
3.0
|
1.4
|
0.1
|
| Other Restructuring Charges |
1.5
|
1.9
|
2.1
|
| Total Restructuring Charges |
4.5
|
3.3
|
2.2
|
| Impairment |
|
|
0.0
|
| Other Charges |
0.2
|
0.2
|
0.3
|
| Total |
4.7
|
3.5
|
2.5
|
| International |
|
|
|
| Restructuring Cost And Reserve [Line Items] |
|
|
|
| Employee Terminations |
0.6
|
0.9
|
0.6
|
| Other Restructuring Charges |
0.0
|
0.0
|
0.0
|
| Total Restructuring Charges |
0.6
|
0.9
|
0.6
|
| Impairment |
|
|
1.7
|
| Other Charges |
0.0
|
0.0
|
0.0
|
| Total |
0.6
|
$ 0.9
|
$ 2.3
|
| Corporate |
|
|
|
| Restructuring Cost And Reserve [Line Items] |
|
|
|
| Employee Terminations |
0.1
|
|
|
| Other Restructuring Charges |
0.0
|
|
|
| Total Restructuring Charges |
0.1
|
|
|
| Other Charges |
0.0
|
|
|
| Total |
$ 0.1
|
|
|