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Debt - Additional Information (Detail) - USD ($)
Feb. 01, 2018
Jun. 27, 2017
Dec. 31, 2017
Debt Instrument [Line Items]      
Amount of outstanding letter of credit     $ 2,760,000
Revolving Credit Facility      
Debt Instrument [Line Items]      
Maximum borrowing capacity   $ 400,000,000  
Debt instrument term   5 years  
Revolving Credit Facility | Subsequent Event      
Debt Instrument [Line Items]      
Proceeds from lines of credit $ 195,000,000    
Term Loan      
Debt Instrument [Line Items]      
Debt issuance costs     $ 5,991,000