Interest Expense on Convertible Senior Notes (Detail) - USD ($) $ in Thousands	3 Months Ended
Apr. 02, 2023	Apr. 03, 2022
Debt Instrument
Contractual interest expense on the coupon	$ 138	$ 311
Amortization of the issue fees recognized as interest expense	113	66
Total interest expense on the convertible debt	$ 251	$ 377

Amount of the cost of borrowed funds accounted for as interest expense for debt.

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration