|
Utilization of Components of Accrued Exit Costs (Detail) (USD $)
In Thousands, unless otherwise specified |
12 Months Ended | ||
|---|---|---|---|
|
Dec. 31, 2012
|
Dec. 31, 2011
|
Dec. 31, 2010
|
|
| Restructuring Cost and Reserve [Line Items] | |||
| Exit Costs Beginning Balance | $ 2,234 | $ 5,462 | |
| Amount provided for during period | 125 | 1,348 | 5,464 |
| Amount paid during period | (2,359) | (4,576) | (2) |
| Exit Costs Ending Balance | 2,234 | 5,462 | |
|
Termination benefits
|
|||
| Restructuring Cost and Reserve [Line Items] | |||
| Exit Costs Beginning Balance | 2,234 | 4,843 | |
| Amount provided for during period | 125 | 980 | 4,843 |
| Amount paid during period | (2,359) | (3,589) | |
| Exit Costs Ending Balance | 2,234 | 4,843 | |
|
Other associated costs
|
|||
| Restructuring Cost and Reserve [Line Items] | |||
| Exit Costs Beginning Balance | 619 | ||
| Amount provided for during period | 368 | 621 | |
| Amount paid during period | (987) | (2) | |
| Exit Costs Ending Balance | $ 619 | ||