|
Stock-Based Compensation (Narrative) (Details) (USD $)
In Millions, unless otherwise specified |
6 Months Ended |
|---|---|
|
Jun. 30, 2013
|
|
| Share-based Compensation [Abstract] | |
| Total intrinsic value of options exercised | $ 0.3 |
| Total fair value of options vested | 3.0 |
| Total unrecognized compensation costs related to unvested stock options, before income taxes | $ 10.0 |
|
Stock Options [Member]
|
|
| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | |
| Employee Service Share-based Compensation, Nonvested Awards, Total Compensation Cost Not yet Recognized, Period for Recognition | 2 years 8 months 23 days |
|
Restricted Stock Units (RSUs) [Member]
|
|
| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | |
| Employee Service Share-based Compensation, Nonvested Awards, Total Compensation Cost Not yet Recognized, Period for Recognition | 3 years 4 months 24 days |