Interest Expense on Convertible Senior Notes (Detail) - USD ($) $ in Thousands	3 Months Ended
Apr. 03, 2022	Apr. 04, 2021
Debt Instrument
Contractual interest expense on the coupon	$ 311	$ 1,239
Amortization of debt issuance fees recognized as interest expense	66	3,836
Total interest expense on the convertible debt	$ 377	$ 5,075

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

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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration