Debt - Additional Information (Detail) - USD ($)
6 Months Ended
May 09, 2016
Jun. 30, 2017
Dec. 31, 2016
Jun. 30, 2016
Dec. 14, 2015
Debt Instrument [Line Items]          
Credit Agreement, interest rate terms   Outstanding amounts under the Credit Agreement bear interest at our option at either: (i) the London interbank offered rate (“LIBOR”) plus an applicable margin (“LIBOR Loans”), or (ii) the prime rate plus an applicable margin (“Base Rate Loans”).      
Line of credit, covenant   The Credit Agreement also contains customary negative covenants, including covenants that restrict or limit the Company’s ability to, among other things: (i) allow certain liens to attach to the Company’s or its subsidiaries’ assets, (ii) repurchase or pay dividends or make certain other restricted payments on capital stock and certain other securities, or prepay certain indebtedness, (iii) incur additional indebtedness or engage in certain other types of financing transactions, and (iv) make acquisitions or other investments.      
Line of credit facility, covenant compliance   In addition, we must comply with a minimum fixed charge coverage ratio of 1.00 to 1.00 as of the last day of each quarter, upon the minimum availability amount under the Credit Agreement falling below the greater of (y) $90 million and (z) 10% of the lesser of the then total revolving loan commitment and aggregate borrowing base.      
Minimum fixed charges coverage ratio   100.00%      
Line of credit, minimum borrowing availability for financial maintenance covenants to be applicable   $ 90,000,000      
Applicable percentage of revolving loan commitment and aggregate borrowing base   10.00%      
Obligations under capital leases   $ 49,302,000 $ 50,704,000    
LIBOR Loans          
Debt Instrument [Line Items]          
Revolving credit facility, margin rate   1.50%      
Base Rate Loans          
Debt Instrument [Line Items]          
Revolving credit facility, margin rate   0.50%      
Minimum | LIBOR Loans          
Debt Instrument [Line Items]          
Revolving credit facility, margin rate   1.25%      
Minimum | Base Rate Loans          
Debt Instrument [Line Items]          
Revolving credit facility, margin rate   0.25%      
Maximum          
Debt Instrument [Line Items]          
Percentage of net orderly liquidation value of rental-fleet to be included in determination of borrowing base   90.00%      
Maximum | LIBOR Loans          
Debt Instrument [Line Items]          
Revolving credit facility, margin rate   1.75%      
Maximum | Base Rate Loans          
Debt Instrument [Line Items]          
Revolving credit facility, margin rate   0.75%      
$1 billion ABL Credit Agreement          
Debt Instrument [Line Items]          
Credit Agreement, term   5 years      
$1 billion ABL Credit Agreement | First Lien Senior Secured Revolving Credit Facility          
Debt Instrument [Line Items]          
Credit Agreement, borrowing capacity         $ 1,000,000,000
Credit Agreement, maturity date   Dec. 14, 2020      
U.S. Based Lenders | $1 billion ABL Credit Agreement | Standby Letters of Credit          
Debt Instrument [Line Items]          
Credit Agreement, borrowing capacity         50,000,000
U.K. Based Lenders | $1 billion ABL Credit Agreement | Standby Letters of Credit          
Debt Instrument [Line Items]          
Credit Agreement, borrowing capacity         20,000,000
Canadian Based Lenders | $1 billion ABL Credit Agreement | Standby Letters of Credit          
Debt Instrument [Line Items]          
Credit Agreement, borrowing capacity         $ 20,000,000
Senior Notes 5.875 Percent Due 2024          
Debt Instrument [Line Items]          
Senior notes, face amount $ 250,000,000 $ 250,000,000      
Offering price percentage of face value 100.00%        
Senior notes, interest rate   5.875%   5.875%  
Senior notes, maturity term   8 years      
Senior notes, maturity date   Jul. 01, 2024      
Senior notes, interest payment term   Interest on the 2024 Notes is payable semiannually in arrears on January 1 and July 1, beginning on January 1, 2017.      
Senior Notes 7.875 Percent Due 2020          
Debt Instrument [Line Items]          
Redeemed senior notes, face amount $ 200,000,000        
Debt instrument redemption price, percentage 103.938%        
Debt instrument, redemption date   Jun. 08, 2016      
Senior notes, interest rate 7.875% 7.875%   7.875%