CONVERTIBLE DEBT - Interest Expense (Details) - 2024 Notes - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2023	Jul. 01, 2022	Jun. 30, 2023	Jul. 01, 2022
Debt Instrument [Line Items]
Contractual interest expense	$ 578	$ 578	$ 1,156	$ 1,156
Amortization of debt issuance costs	224	217	447	434
Total interest expense recognized	$ 802	$ 795	$ 1,603	$ 1,590