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Restructuring Costs - Summary of Activity of Restructuring Reserves (Details) (USD $)
In Thousands, unless otherwise specified |
3 Months Ended |
|---|---|
|
Mar. 31, 2015
|
|
| Restructuring Cost And Reserve [Line Items] | |
| Beginning balance | $ 41,573 |
| Additions to the reserve, net | (532) |
| Interest accretion | 547 |
| Non-cash write-offs | (201) |
| Cash payments and other usage | (7,616) |
| Ending balance | 33,771 |
| Severance / Other | |
| Restructuring Cost And Reserve [Line Items] | |
| Beginning balance | 664 |
| Additions to the reserve, net | 2,652 |
| Cash payments and other usage | (2,203) |
| Ending balance | 1,113 |
| Facilities | |
| Restructuring Cost And Reserve [Line Items] | |
| Beginning balance | 40,909 |
| Additions to the reserve, net | (3,184) |
| Interest accretion | 547 |
| Non-cash write-offs | (201) |
| Cash payments and other usage | (5,413) |
| Ending balance | $ 32,658 |