Quarterly report pursuant to Section 13 or 15(d)

Long-Term Debt - Additional Information (Detail)

v3.20.2
Long-Term Debt - Additional Information (Detail) - USD ($)
6 Months Ended
Apr. 30, 2020
Jun. 30, 2020
Oct. 01, 2020
Jul. 01, 2020
May 01, 2020
Dec. 31, 2019
Jun. 30, 2019
Sep. 29, 2017
Debt Disclosure [Line Items]                
Debt Issuance Costs, Line of Credit Arrangements, Gross   $ 100,000            
Accelerated Deferred Debt Issuance Cost   900,000            
Letters of credit outstanding   $ 400,000       $ 400,000    
Current Ratio   1.00            
Debt To E B I T D Ratio Maximum   3.50            
Anti-hording provision, Max cash         $ 25,000,000      
Second Lien Facility   $ 200,000,000       200,000,000    
Proceeds from Debt, Net of Issuance Costs   187,800,000            
Debt Instrument, Unamortized Discount   2,019,000       2,415,000   $ 4,000,000.0
Unamortized Debt Issuance Expense   $ 4,147,000       $ 4,957,000   $ 8,200,000
Debt Instrument, Discounted Percentage               98.00%
Revolving Credit Facility                
Debt Disclosure [Line Items]                
Commitment fee 0.50%              
Year 3 [Member]                
Debt Disclosure [Line Items]                
Prepayment Premium   101.00%            
Prepayment Premium, Change in Control   101.00%            
Minimum [Member] | Revolving Credit Facility                
Debt Disclosure [Line Items]                
Interest rate 1.50%              
Minimum [Member] | LIBOR | Revolving Credit Facility                
Debt Disclosure [Line Items]                
Applicable margin 2.50%              
Maximum [Member] | Revolving Credit Facility                
Debt Disclosure [Line Items]                
Interest rate 2.50%              
Maximum [Member] | LIBOR | Revolving Credit Facility                
Debt Disclosure [Line Items]                
Applicable margin 3.50%              
Revolving Credit Facility                
Debt Disclosure [Line Items]                
Line of Credit Facility, Maximum Borrowing Capacity $ 1,000,000,000.0              
Line of Credit Facility, Current Borrowing Capacity 400,000,000           $ 350,000,000  
Interest Rate at Period End   3.43%            
Revolving Credit Facility | Subsequent Event [Member]                
Debt Disclosure [Line Items]                
Line of Credit Facility, Current Borrowing Capacity     $ 350,000,000          
Revolving Credit Facility | Forecast [Member]                
Debt Disclosure [Line Items]                
Line of Credit Facility, Current Borrowing Capacity       $ 375,000,000        
Revolving Credit Facility | Interest Payable One [Member]                
Debt Disclosure [Line Items]                
Debt Instrument, Interest Payable Period   1 month            
Revolving Credit Facility | Interest Payable Two [Member]                
Debt Disclosure [Line Items]                
Debt Instrument, Interest Payable Period   3 months            
Revolving Credit Facility | Interest Payable Three [Member]                
Debt Disclosure [Line Items]                
Debt Instrument, Interest Payable Period   6 months            
Line of Credit [Member] | Letter of Credit                
Debt Disclosure [Line Items]                
Line of Credit Facility, Maximum Borrowing Capacity $ 25,000,000              
Second Lien Facility [Member]                
Debt Disclosure [Line Items]                
Interest rate option one, applicable margin rate over Adjusted LIBOR   7.00%            
Interest rate option two, applicable margin rate   6.00%            
Second Lien Facility, Initial Interest Rate   8.00%           8.34%
Second Lien Facility, Effective Interest Rate               9.89%
Debt Instrument, Term   5 years