Fair Value Measurements and Fair Value of Financial Instruments - Carrying Value and Fair Value of Debt Obligations (Details) - USD ($) $ in Thousands	Oct. 02, 2021	Jan. 02, 2021
Carrying Value
Debt Obligations:
Debt obligations	$ 309,389	$ 227,963
Carrying Value | Revolving Credit Facility, due 2023
Debt Obligations:
Debt obligations	294,610	217,963
Carrying Value | Senior Promissory Notes, due 2023 to 2028
Debt Obligations:
Debt obligations	10,000	10,000
Carrying Value | Other Borrowings, due 2021 to 2028
Debt Obligations:
Debt obligations	4,779	0
Fair Value
Debt Obligations:
Debt obligations	310,568	229,120
Fair Value | Revolving Credit Facility, due 2023
Debt Obligations:
Debt obligations	294,610	217,963
Fair Value | Senior Promissory Notes, due 2023 to 2028
Debt Obligations:
Debt obligations	11,179	11,157
Fair Value | Other Borrowings, due 2021 to 2028
Debt Obligations:
Debt obligations	$ 4,779	$ 0