|
U.K. Pension Plan (Details) (USD $)
In Millions, unless otherwise specified |
3 Months Ended | |
|---|---|---|
|
Mar. 31, 2014
|
Mar. 31, 2013
|
|
| U.K. Pension Plan [Abstract] | ||
| Interest cost on projected benefit obligation | $ 0.8 | $ 0.8 |
| Expected return on plan assets | (0.9) | (0.7) |
| Net amortization | 0.4 | 0.4 |
| Net pension expense | 0.3 | 0.5 |
| Company contributions to pension plan | $ 0.4 | $ 0.4 |