XML 72 R54.htm IDEA: XBRL DOCUMENT v3.3.1.900
Property, Plant and Equipment (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2015
Dec. 31, 2014
Dec. 31, 2013
Property, Plant and Equipment [Line Items]      
Property, plant and equipment, gross $ 386,172 $ 364,027  
Accumulated depreciation and amortization (264,154) (241,849)  
Property, plant and equipment, net 122,018 122,178  
Depreciation and amortization 36,294 36,524 $ 36,310
Machinery and equipment      
Property, Plant and Equipment [Line Items]      
Property, plant and equipment, gross 123,211 120,528  
Vehicles      
Property, Plant and Equipment [Line Items]      
Property, plant and equipment, gross 51,673 45,036  
Furniture and fixtures      
Property, Plant and Equipment [Line Items]      
Property, plant and equipment, gross 20,730 20,693  
Computer hardware/software      
Property, Plant and Equipment [Line Items]      
Property, plant and equipment, gross 95,993 89,638  
Land, buildings and leasehold improvements      
Property, Plant and Equipment [Line Items]      
Property, plant and equipment, gross 88,877 81,206  
Construction in progress      
Property, Plant and Equipment [Line Items]      
Property, plant and equipment, gross $ 5,688 $ 6,926