|
Property Plant and Equipment Presented Net of Accumulated Depreciation (Detail) (USD $)
In Thousands, unless otherwise specified |
Dec. 31, 2012
|
Dec. 31, 2011
|
|---|---|---|
| Property, Plant and Equipment [Line Items] | ||
| Total gross book value | $ 271,249 | $ 257,924 |
| Less-Accumulated depreciation | (100,854) | (80,333) |
| Less-Accumulated depreciation of leases | (651) | (931) |
| Total | 169,744 | 176,660 |
|
Land and Building
|
||
| Property, Plant and Equipment [Line Items] | ||
| Total gross book value | 109,752 | 102,615 |
|
Equipment
|
||
| Property, Plant and Equipment [Line Items] | ||
| Total gross book value | 112,346 | 111,144 |
|
Motor vehicles
|
||
| Property, Plant and Equipment [Line Items] | ||
| Total gross book value | 16,962 | 15,671 |
|
Motor vehicles under lease
|
||
| Property, Plant and Equipment [Line Items] | ||
| Total gross book value | 2,362 | 3,008 |
|
Computer hardware and software
|
||
| Property, Plant and Equipment [Line Items] | ||
| Total gross book value | 19,699 | 17,476 |
|
Other
|
||
| Property, Plant and Equipment [Line Items] | ||
| Total gross book value | $ 10,128 | $ 8,010 |