XML 60 R40.htm IDEA: XBRL DOCUMENT v3.10.0.1
Property, Plant and Equipment (Details) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Mar. 31, 2018
Sep. 30, 2017
Jun. 30, 2018
Jun. 30, 2017
Dec. 31, 2017
Property, Plant and Equipment [Line Items]          
Property, plant and equipment, gross     $ 1,224,151   $ 1,231,579
Less: Accumulated depreciation     (802,117)   (761,933)
Total property, plant and equipment, net     422,034   469,646
Proceeds from sale of assets     1,755 $ 2,200  
Land          
Property, Plant and Equipment [Line Items]          
Property, plant and equipment, gross     14,834   15,314
Land improvements          
Property, Plant and Equipment [Line Items]          
Property, plant and equipment, gross     $ 15,110   14,594
Land improvements | Minimum          
Property, Plant and Equipment [Line Items]          
Estimated useful lives     8 years    
Land improvements | Maximum          
Property, Plant and Equipment [Line Items]          
Estimated useful lives     15 years    
Buildings and improvements          
Property, Plant and Equipment [Line Items]          
Estimated useful lives     39 years    
Property, plant and equipment, gross     $ 110,092   119,380
Rental machinery and equipment          
Property, Plant and Equipment [Line Items]          
Estimated useful lives     7 years    
Property, plant and equipment, gross     $ 894,279   898,146
Machinery and equipment - other          
Property, Plant and Equipment [Line Items]          
Estimated useful lives     7 years    
Property, plant and equipment, gross     $ 61,603   55,049
Furniture, fixtures and computers          
Property, Plant and Equipment [Line Items]          
Estimated useful lives     5 years    
Property, plant and equipment, gross     $ 24,735   27,259
Automobiles and other vehicles          
Property, Plant and Equipment [Line Items]          
Estimated useful lives     5 years    
Property, plant and equipment, gross     $ 29,675   29,971
Leasehold improvements          
Property, Plant and Equipment [Line Items]          
Property, plant and equipment, gross     $ 11,903   10,030
Leasehold improvements | Minimum          
Property, Plant and Equipment [Line Items]          
Estimated useful lives     7 years    
Leasehold improvements | Maximum          
Property, Plant and Equipment [Line Items]          
Estimated useful lives     15 years    
Construction in progress - machinery and equipment and land improvements          
Property, Plant and Equipment [Line Items]          
Property, plant and equipment, gross     $ 61,920   $ 61,836
International Services          
Property, Plant and Equipment [Line Items]          
Impairment of Long-Lived Assets Held-for-use   $ 300      
International Services | Buildings and improvements          
Property, Plant and Equipment [Line Items]          
Reclassification of property, plant and equipment to assets held for sale   $ 4,100 $ 4,500    
Proceeds from sale of assets $ 800