Segment Reporting (Details 1) - USD ($) $ in Thousands	Jan. 01, 2022	Jan. 02, 2021	Dec. 28, 2019
Summary of long-lived assets by geography
Long-lived assets	$ 305,911	$ 311,125	$ 275,855
United States
Summary of long-lived assets by geography
Long-lived assets	238,263	248,292	220,023
Other Americas [Member]
Summary of long-lived assets by geography
Long-lived assets	623	753	728
Americas [Member]
Summary of long-lived assets by geography
Long-lived assets	238,886	249,045	220,751
China [Member]
Summary of long-lived assets by geography
Long-lived assets	15,010	16,416	15,729
Other Asia [Member]
Summary of long-lived assets by geography
Long-lived assets	35,458	28,668	27,890
Asia [Member]
Summary of long-lived assets by geography
Long-lived assets	50,468	45,084	43,619
Europe, Middle East and Africa [Member]
Summary of long-lived assets by geography
Long-lived assets	16,033	16,304	10,474
Japan [Member]
Summary of long-lived assets by geography
Long-lived assets	$ 524	$ 692	$ 1,011