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SEGMENT INFORMATION - Schedule of Financial Information by Reportable Segments (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 27, 2025	Jun. 28, 2024	Jun. 27, 2025	Jun. 28, 2024
Segment Reporting Information [Line Items]
Revenue	$ 138,027	$ 138,740	$ 271,162	$ 260,800
Cost of revenue	64,234	65,283	118,795	124,262
Research and development	29,442	28,784	60,791	59,489
Selling, general and administrative	38,194	39,821	75,292	78,686
Income (loss) from operations	3,870	(15,630)	13,997	(25,156)
Operating Segments
Segment Reporting Information [Line Items]
Revenue	138,027	138,740	271,162	260,800
Cost of revenue	63,366	65,010	117,366	123,007
Research and development	28,236	27,262	57,092	56,012
Selling, general and administrative	32,493	34,256	64,180	68,326
Income (loss) from operations	13,932	12,212	32,524	13,455
Operating Segments | Broadband
Segment Reporting Information [Line Items]
Revenue	86,918	92,937	171,796	171,834
Cost of revenue	46,506	48,701	84,304	90,104
Research and development	15,137	13,396	31,204	26,944
Selling, general and administrative	16,690	17,059	33,682	32,411
Income (loss) from operations	8,585	13,781	22,606	22,375
Operating Segments | Video
Segment Reporting Information [Line Items]
Revenue	51,109	45,803	99,366	88,966
Cost of revenue	16,860	16,309	33,062	32,903
Research and development	13,099	13,866	25,888	29,068
Selling, general and administrative	15,803	17,197	30,498	35,915
Income (loss) from operations	$ 5,347	$ (1,569)	$ 9,918	$ (8,920)

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