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Description of Business and Summary of Significant Accounting Policies - Additional Information (Detail) - USD ($)
$ in Millions
12 Months Ended
Dec. 22, 2017
Dec. 31, 2017
Dec. 31, 2015
Dec. 31, 2016
Basis Of Consolidation And Presentation [Line Items]        
Current deferred tax assets       $ 36.4
Long-term deferred tax assets       4.1
Long-term deferred tax liabilities       32.3
Settlement of fund for eligible participants     $ 12.3  
Reimbursement of workers compensation insurance claims included in other current assets   $ 30.0   21.1
Tax Years Beginning After December 31, 2017        
Basis Of Consolidation And Presentation [Line Items]        
Global Intangible Low-Taxed Income (GILTI) at an effective tax rate 10.50%      
Tax Years Beginning After December 31, 2025        
Basis Of Consolidation And Presentation [Line Items]        
Global Intangible Low-Taxed Income (GILTI) at an effective tax rate 13.125%      
Seventy Seven Energy Inc.        
Basis Of Consolidation And Presentation [Line Items]        
Merger date   Apr. 20, 2017    
Multi Shot L L C        
Basis Of Consolidation And Presentation [Line Items]        
Merger date   Oct. 11, 2017    
Scenario Previously Reported | Accounting Standards Update 2015-17        
Basis Of Consolidation And Presentation [Line Items]        
Current deferred tax assets       36.4
Restatement Adjustment | Accounting Standards Update 2015-17        
Basis Of Consolidation And Presentation [Line Items]        
Long-term deferred tax assets       4.1
Long-term deferred tax liabilities       $ 32.3