|
Accrued Restructuring Obligations and Related Activity (Detail) (USD $) In Thousands, unless otherwise specified
|
3 Months Ended |
12 Months Ended |
|
Mar. 31, 2015
|
Mar. 31, 2014
|
Dec. 31, 2014
|
| Restructuring Cost and Reserve [Line Items] |
|
|
|
|
| Accrued obligations, beginning balance |
$ 1,117 |
$ 1,676 |
|
$ 1,676 |
| Restructuring expense |
483 |
585 |
|
3,542 |
| Settlement of obligations |
(218) |
|
|
(4,101) |
| Accrued obligations, ending balance |
1,382 |
|
|
1,117 |
| Severance and Benefits |
|
|
|
|
| Restructuring Cost and Reserve [Line Items] |
|
|
|
|
| Accrued obligations, beginning balance |
441 |
613 |
|
613 |
| Restructuring expense |
464 |
340 |
|
1,826 |
| Settlement of obligations |
(157) |
|
|
(1,998) |
| Accrued obligations, ending balance |
748 |
|
|
441 |
| Lease Abandonment Costs |
|
|
|
|
| Restructuring Cost and Reserve [Line Items] |
|
|
|
|
| Accrued obligations, beginning balance |
676 |
1,063 |
|
1,063 |
| Restructuring expense |
19 |
139 |
|
318 |
| Settlement of obligations |
(61) |
|
|
(705) |
| Accrued obligations, ending balance |
634 |
|
|
676 |
| Other Costs |
|
|
|
|
| Restructuring Cost and Reserve [Line Items] |
|
|
|
|
| Accrued obligations, beginning balance |
|
|
|
|
| Restructuring expense |
|
106 |
[1] |
1,398 |
| Settlement of obligations |
|
|
|
(1,398) |
| Accrued obligations, ending balance |
|
|
|
|
|
|
|