XML 79 R48.htm IDEA: XBRL DOCUMENT v3.19.3.a.u2
Basis of Presentation and Significant Accounting Policies - Additional Information (Details)
 3 Months Ended 12 Months Ended
Dec. 31, 2019
USD ($)
country
Dec. 31, 2019
USD ($)
country
Dec. 31, 2018
USD ($)
Dec. 31, 2017
USD ($)
Jan. 01, 2019
USD ($)
Jan. 01, 2018
USD ($)
Accounting Policies [Line Items]            
Income (loss) on changes in the cash surrender value of life insurance policies   $ 2,700,000 $ (1,200,000) $ 2,400,000    
Goodwill impairment $ 111,100,000 111,108,000 0 0    
Increase in goodwill impairment from 50 basis points increase In discount rate 10,000,000.0 10,000,000.0        
Proceeds from sale of assets   791,000 7,089,000 14,030,000    
Goodwill $ 99,932,000 $ 99,932,000 211,040,000      
Number of countries in which entity operates | country 50 50        
Impairment of intangible assets, finite-lived $ 3,300,000 $ 3,299,000 0 0    
Amortization expense for intangible assets   10,800,000 10,800,000 11,400,000    
Depreciation expense   82,000,000.0 $ 100,500,000 $ 110,700,000    
Operating lease assets 32,585,000 32,585,000        
Operating lease, liability 32,894,000 32,894,000        
Adjustment to retained earnings from adoption of new standard         $ (700,000) $ 670,000
Cementing Equipment            
Accounting Policies [Line Items]            
Goodwill 81,200,000 81,200,000        
Tubular Running Services            
Accounting Policies [Line Items]            
Goodwill $ 18,700,000 $ 18,700,000        
Number of countries in which entity operates | country 50 50        
Minimum            
Accounting Policies [Line Items]            
Payment term   30 days        
Maximum            
Accounting Policies [Line Items]            
Payment term   120 days        
Accounting Standards Update 2016-02            
Accounting Policies [Line Items]            
Operating lease assets         34,900,000  
Operating lease, liability         34,400,000  
Retained Earnings (Deficit)            
Accounting Policies [Line Items]            
Adjustment to retained earnings from adoption of new standard         (700,000) $ 670,000
Retained Earnings (Deficit) | Accounting Standards Update 2016-02            
Accounting Policies [Line Items]            
Adjustment to retained earnings from adoption of new standard         $ (700,000)  
Measurement Input, Discount Rate | Fair Value, Inputs, Level 3            
Accounting Policies [Line Items]            
Measurement input on discount rate assumption for goodwill impairment 0.005 0.005