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Asset Impairments and Other Restructuring Items - Schedule of Asset Impairments (Details) - USD ($)
$ in Thousands
 3 Months Ended 6 Months Ended
Jun. 30, 2021
Mar. 31, 2021
Jun. 30, 2020
Mar. 31, 2020
Jun. 30, 2021
Jun. 30, 2020
Impaired Long-Lived Assets Held and Used [Line Items]            
Impairments of goodwill $ 0   $ 0 $ 406,056 $ 0 $ 406,056
Impairment of goodwill loss, tax       19,600    
Impairment of goodwill loss, net of tax       386,456    
Impairments of fixed and lease assets 2,794 $ 650 2,992 5,198 3,444 8,190
Impairment of fixed assets, tax   137 628 1,092    
Impairment of fixed assets, net of tax   513 2,364 4,106    
Impairments of inventories       25,230 0 25,230
Impairment of inventories, tax       4,736    
Impairment of inventories, net of tax       20,494    
Severance and restructuring costs 2,554 3,418 5,397 660    
Severance and facility closure costs, tax 536 717 1,133 139    
Severance and facility closure costs, net of tax 2,018 2,701 4,264 521    
Impairment of operating lease assets 2,794          
Impairment of operating lease assets, net of tax 587          
Impairment of operating lease assets, tax 2,207          
Corporate            
Impaired Long-Lived Assets Held and Used [Line Items]            
Impairments of goodwill       0    
Impairments of fixed and lease assets   0 0 0    
Impairments of inventories       0    
Severance and restructuring costs 0 1,555 216 0    
Impairment of operating lease assets 0          
Offshore/ Manufactured Products            
Impaired Long-Lived Assets Held and Used [Line Items]            
Impairments of goodwill           86,500
Impairments of inventories           16,200
Offshore/ Manufactured Products | Operating Segments            
Impaired Long-Lived Assets Held and Used [Line Items]            
Impairments of goodwill       86,500    
Impairments of fixed and lease assets   0 0 0    
Impairments of inventories       16,249    
Severance and restructuring costs 0 282 322 112    
Impairment of operating lease assets 0          
Downhole Technologies            
Impaired Long-Lived Assets Held and Used [Line Items]            
Impairments of goodwill           192,500
Downhole Technologies | Operating Segments            
Impaired Long-Lived Assets Held and Used [Line Items]            
Impairments of goodwill       192,502    
Impairments of fixed and lease assets   0 0 0    
Impairments of inventories       0    
Severance and restructuring costs 203 275 1,315 0    
Impairment of operating lease assets 0          
Well Site Services            
Impaired Long-Lived Assets Held and Used [Line Items]            
Impairments of goodwill           127,100
Impairments of inventories           $ 9,000
Operating lease, liability 1,900       $ 1,900  
Well Site Services | Operating Segments            
Impaired Long-Lived Assets Held and Used [Line Items]            
Impairments of goodwill       127,054    
Impairments of fixed and lease assets   650 2,992 5,198    
Impairments of inventories       8,981    
Severance and restructuring costs 2,351 $ 1,306 $ 3,544 $ 548    
Impairment of operating lease assets $ 2,794