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Basis of Presentation and Significant Accounting Policies - Additional Information (Details)
12 Months Ended
Dec. 31, 2018
USD ($)
country
Dec. 31, 2017
USD ($)
Dec. 31, 2016
USD ($)
Jan. 01, 2019
USD ($)
Nov. 01, 2016
USD ($)
Accounting Policies [Abstract]          
Income (loss) on changes in the cash surrender value of life insurance policies $ (1,200,000) $ 2,400,000 $ 1,100,000    
Number of countries in which entity operates | country 50        
Amortization expense for intangible assets $ 10,800,000 11,400,000 3,500,000    
Depreciation expense 100,500,000 110,700,000 110,700,000    
Short-term investments 26,603,000 81,021,000      
Goodwill [Line Items]          
Goodwill impairment 0 0 $ 0    
Goodwill 211,040,000 $ 211,040,000      
Blackhawk          
Goodwill [Line Items]          
Bonus and medical claim expenses 4,500,000        
Goodwill 192,400,000       $ 192,400,000
U.S. Services          
Goodwill [Line Items]          
Goodwill 16,200,000        
Tubular Sales          
Goodwill [Line Items]          
Goodwill $ 2,400,000        
Minimum          
Goodwill [Line Items]          
Payment term 30 days        
Maximum          
Goodwill [Line Items]          
Payment term 120 days        
Scenario, Forecast | Accounting Standards Update 2016-02 | Minimum          
Goodwill [Line Items]          
Operating lease, right-of-use asset       $ 30,000,000  
Operating lease, liability       30,000,000  
Scenario, Forecast | Accounting Standards Update 2016-02 | Maximum          
Goodwill [Line Items]          
Operating lease, right-of-use asset       40,000,000  
Operating lease, liability       $ 40,000,000