XML 60 R43.htm IDEA: XBRL DOCUMENT v3.8.0.1
Discontinued Operations - Additional Disclosures (Details)
$ in Millions
12 Months Ended
Aug. 16, 2017
USD ($)
May 22, 2017
USD ($)
Dec. 31, 2016
segment
May 23, 2017
USD ($)
Discontinued Operations and Disposal Groups [Abstract]        
Number of segments with assets and liabilities classified as discontinued operations (segment) | segment     2  
Discontinued Operations, Disposed of by Sale | Drilling Technologies        
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]        
Cash consideration $ 1.0      
Note receivables $ 1.0      
Notes receivable due, period 1 year      
Discontinued Operations, Disposed of by Sale | Production Technologies        
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]        
Cash consideration       $ 2.9
Escrow deposit       $ 0.4
Discontinued Operations, Disposed of by Sale | National Oilwell Varco, L.P. | Drilling Technologies        
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]        
Cash consideration   $ 17.0    
Escrow deposit   $ 1.5    
Term of escrow deposit   18 months