Property, Plant and Equipment - Schedule of Property, Plant and Equipment (Detail) (USD $)
In Thousands, unless otherwise specified |
Jun. 30, 2014
|
Dec. 31, 2013
|
---|---|---|
Property, Plant and Equipment [Line Items] | ||
Property, plant and equipment, Gross | $ 321,340 | $ 314,200 |
Accumulated depreciation | (169,075) | (162,912) |
Property, plant and equipment, Net | 152,265 | 151,288 |
Land Improvements [Member]
|
||
Property, Plant and Equipment [Line Items] | ||
Property, plant and equipment, Gross | 5,162 | 5,122 |
Buildings [Member]
|
||
Property, Plant and Equipment [Line Items] | ||
Property, plant and equipment, Gross | 44,260 | 44,116 |
Machinery and Equipment [Member]
|
||
Property, Plant and Equipment [Line Items] | ||
Property, plant and equipment, Gross | 253,820 | 250,936 |
Construction in Progress [Member]
|
||
Property, Plant and Equipment [Line Items] | ||
Property, plant and equipment, Gross | 9,334 | 5,315 |
Other [Member]
|
||
Property, Plant and Equipment [Line Items] | ||
Property, plant and equipment, Gross | $ 8,764 | $ 8,711 |