NET INCOME (LOSS) PER SHARE - Basic and Diluted Net Income Per Share (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 29, 2023	Sep. 30, 2022	Sep. 29, 2023	Sep. 30, 2022
Numerator:
Net income (loss)	$ (6,495)	$ 8,740	$ 153	$ 22,051
Denominator:
Basic (in shares)	112,031	105,228	111,431	104,617
Diluted (in shares)	112,031	113,185	117,910	110,911
Net income (loss) per share:
Basic (in dollars per share)	$ (0.06)	$ 0.08	$ 0	$ 0.21
Diluted (in dollars per share)	$ (0.06)	$ 0.08	$ 0	$ 0.20
Stock options
Denominator:
Weighted average number diluted shares outstanding adjustment (in shares)	0	218	0	238
Restricted stock units
Denominator:
Weighted average number diluted shares outstanding adjustment (in shares)	0	1,920	1,515	1,725
Stock purchase rights under the ESPP
Denominator:
Weighted average number diluted shares outstanding adjustment (in shares)	0	63	45	44
2022 Notes
Denominator:
Weighted average number diluted shares outstanding adjustment (in shares)	0	3,078	0	2,718
2024 Notes
Denominator:
Weighted average number diluted shares outstanding adjustment (in shares)	0	2,678	4,919	1,569