Annual report pursuant to Section 13 and 15(d)

Property, Plant and Equipment - Property, Plant and Equipment (Detail)

v2.4.0.8
Property, Plant and Equipment - Property, Plant and Equipment (Detail) (USD $)
In Thousands, unless otherwise specified
 12 Months Ended
Dec. 31, 2013
Dec. 31, 2012
Dec. 31, 2013
Land [Member]
Dec. 31, 2013
Building [Member]
Dec. 31, 2013
Improvements [Member]
Dec. 31, 2013
Construction in Progress [Member]
Dec. 31, 2013
Minimum [Member]
Dec. 31, 2013
Minimum [Member]
Machinery and equipment [Member]
Dec. 31, 2013
Minimum [Member]
Furniture and fixtures [Member]
Dec. 31, 2013
Minimum [Member]
Transportation equipment [Member]
Dec. 31, 2013
Maximum [Member]
Dec. 31, 2013
Maximum [Member]
Machinery and equipment [Member]
Dec. 31, 2013
Maximum [Member]
Furniture and fixtures [Member]
Dec. 31, 2013
Maximum [Member]
Transportation equipment [Member]
Property, Plant and Equipment [Line Items]                            
Land $ 10,463 $ 10,463                        
Buildings 62,515 60,729                        
Machinery and equipment 198,611 198,571                        
Furniture and fixtures 5,143 4,928                        
Transportation equipment 3,224 3,139                        
Improvements 123,201 95,874                        
Construction in progress 7,450 20,397                        
Property, plant and equipment, Gross 410,607 394,101                        
Less accumulated depreciation 187,052 164,885                        
Property, plant and equipment, Net $ 223,555 $ 229,216                        
Property, plant and equipment, estimated useful life     0 years 25 years 15 years 0 years 3 years 3 years 3 years 3 years 25 years 25 years 5 years 5 years