Segment Reporting - Summary of the Company's revenue, significant expenses, and operating income (Details) - USD ($) $ in Thousands		3 Months Ended		9 Months Ended
		Oct. 03, 2026	Sep. 27, 2025	Oct. 03, 2026	Sep. 27, 2025
Revenue:
Revenue from Contract with Customer, Excluding Assessed Tax		$ 291,035	$ 133,349	$ 663,011	$ 377,470
Cost of Revenue:
Cost of Product and Service Sold		94,915	42,822	207,927	120,464
Operating Expenses:
Operating Expenses		172,152	92,061	382,695	246,860
Operating Income (Loss):
Operating Income (Loss)		23,968	(1,534)	72,389	10,146
FPGA [Member]
Revenue:
Revenue from Contract with Customer, Excluding Assessed Tax		251,934	133,349	623,910	377,470
Cost of Revenue:
Cost of Product and Service Sold		73,530	40,842	181,836	116,236
Operating Expenses:
Operating Expenses		77,036	57,037	208,080	167,442
Operating Income (Loss):
Operating Income (Loss)		101,368	35,470	233,994	93,792
AMI [Member]
Revenue:
Revenue from Contract with Customer, Excluding Assessed Tax		39,101		39,101
Cost of Revenue:
Cost of Product and Service Sold		11,562		11,562
Operating Expenses:
Operating Expenses		15,380		15,380
Operating Income (Loss):
Operating Income (Loss)		12,159		12,159
Unallocated [Member]
Cost of Revenue:
Cost of Product and Service Sold	[1]	9,823	1,980	14,529	4,228
Operating Expenses:
Operating Expenses	[2]	79,736	35,024	159,235	79,418
Operating Income (Loss):
Operating Income (Loss)	[1],[2]	$ (89,559)	$ (37,004)	$ (173,764)	$ (83,646)

[1] Unallocated includes stock compensation & related tax expense and acquired intangible assets amortization.

[2] Unallocated includes stock compensation & related tax expense, acquired intangible assets amortization, and acquisition-related and restructuring expense.