Long-Term Debt - Additional Information (Detail) - USD ($) $ in Millions	3 Months Ended
Mar. 31, 2021	Sep. 26, 2019
Debt Instrument [Line Items]
Deferred finance costs, net	$ 1.3
Revolving Credit Facility [Member]
Debt Instrument [Line Items]
Due date of revolving credit	Sep. 25, 2024
Line of Credit Facility, Maximum Borrowing Capacity		$ 250.0
Revolving Credit Facility [Member] \| Accordion Feature [Member]
Debt Instrument [Line Items]
Line of Credit Facility, Maximum Borrowing Capacity		$ 125.0

Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.19(b),22(b))
-URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682

Name:	us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant