Recent Accounting Pronouncements - Additional Information (Detail) - USD ($)		3 Months Ended
	Dec. 29, 2019	Mar. 28, 2020
Accounting Standards Update 2016-13 [Member]
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Adoption of accounting standards (Note 11)	$ (702,000)	$ (702,000)