Debt - Additional Information (Detail)		3 Months Ended	12 Months Ended
	Mar. 23, 2020 USD ($)	Mar. 28, 2020 USD ($) LetterOfCredit	Dec. 30, 2017 USD ($)	Jul. 31, 2006 USD ($)
Debt Instrument [Line Items]
Amount drawn from credit facility		$ 99,000,000
Number of letters of credit outstanding | LetterOfCredit		2
Revolving Credit Facility [Member]
Debt Instrument [Line Items]
Credit facility maximum borrowing capacity			$ 100,000,000.0	$ 30,000,000.0
Expiration date of credit facility			2022-12
Line of credit facility, unused fee amount of threshold limit			$ 30,000,000
Line of credit facility unused fee percentage			0.10%
Interest rate of credit facility		1.64%
Credit facility default percentage		2.00%
Credit facility default amount		$ 0
Amount drawn from credit facility	$ 99,000,000.0
Borrowings under credit facility		99,000,000.0
Amount available under credit facility, net of letters of credit		200,000
Revolving Credit Facility [Member] | Maximum [Member]
Debt Instrument [Line Items]
Line of credit facility incremental borrowing capacity			$ 100,000,000.0
Line of credit facility additional borrowing capacity		100,000,000.0
Letters of Credit [Member]
Debt Instrument [Line Items]
Borrowings under credit facility		$ 800,000
LIBOR Market Index Rate [Member] | Revolving Credit Facility [Member] | Maximum [Member]
Debt Instrument [Line Items]
LIBOR basis points			1.25%
LIBOR Market Index Rate [Member] | Revolving Credit Facility [Member] | Minimum [Member]
Debt Instrument [Line Items]
LIBOR basis points			0.65%
LIBOR Rate [Member] | Revolving Credit Facility [Member]
Debt Instrument [Line Items]
LIBOR basis points		0.65%
LIBOR Rate [Member] | Revolving Credit Facility [Member] | Maximum [Member]
Debt Instrument [Line Items]
LIBOR basis points			1.25%
LIBOR Rate [Member] | Revolving Credit Facility [Member] | Minimum [Member]
Debt Instrument [Line Items]
LIBOR basis points			0.65%