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