Income Taxes - Deferred Income Taxes (Details) - USD ($) $ in Thousands	Jan. 01, 2022	Jan. 02, 2021
Deferred tax assets:
Net operating loss carryforwards	$ 5,803	$ 6,839
Tax credit carryforwards	12,247	22,421
Intangible assets	8,687	9,802
Deferred income on shipments to distributors	4,588	3,099
Leases	6,033	6,335
Accrued liabilities	6,078	6,320
Other	4,180	5,513
Deferred tax assets	47,616	60,329
Less: Valuation allowance	(9,529)	(5,311)
Deferred tax assets, net	38,087	55,018
Deferred tax liabilities:
Intangible assets	14,479	16,758
Fixed assets	8,692	8,473
Leases	5,664	5,999
Debt	16,399	21,674
Unrealized gain on equity method investment	3,342	587
Prepaid expenses and other	6,049	4,332
Deferred tax liabilities	54,625	57,823
Net deferred tax liabilities	$ (16,538)	$ (2,805)