|
Restructuring Expenses (Detail) (USD $)
In Thousands, unless otherwise specified |
3 Months Ended | 12 Months Ended | ||||
|---|---|---|---|---|---|---|
|
Mar. 31, 2015
|
Mar. 31, 2014
|
Dec. 31, 2014
|
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| Restructuring Cost and Reserve [Line Items] | ||||||
| Restructuring expenses | $ 483 | $ 585 | $ 3,542 | |||
| Severance and Benefits | ||||||
| Restructuring Cost and Reserve [Line Items] | ||||||
| Restructuring expenses | 464 | 340 | 1,826 | |||
| Lease Abandonment Costs | ||||||
| Restructuring Cost and Reserve [Line Items] | ||||||
| Restructuring expenses | 19 | 139 | 318 | |||
| Other Costs | ||||||
| Restructuring Cost and Reserve [Line Items] | ||||||
| Restructuring expenses | $ 106 | [1] | $ 1,398 | |||
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