|
Restructuring Costs - Additional Information (Details) (USD $)
|
3 Months Ended | |
|---|---|---|
|
Mar. 31, 2015
|
Mar. 31, 2014
|
|
| Restructuring Cost And Reserve [Line Items] | ||
| Restructuring costs | $ 24,000 | $ 30,343,000 |
| Global workforce elimination percentage under restructuring plan | 6.00% | |
| January 2014 Restructuring | ||
| Restructuring Cost And Reserve [Line Items] | ||
| Accumulated Restructuring Costs | $ 40,400,000 | |