Revenue - Schedule of Revenue by Payer Type as a Percentage of Revenue (Details) - Customer Concentration Risk - Total revenue	3 Months Ended		6 Months Ended
	Jul. 01, 2023	Jul. 02, 2022	Jul. 01, 2023	Jul. 02, 2022
Disaggregation Of Revenue [Line Items]
Percentage of total revenue	100.00%	100.00%	100.00%	100.00%
Medicaid MCO
Disaggregation Of Revenue [Line Items]
Percentage of total revenue	54.20%	54.30%	54.40%	51.90%
Medicaid
Disaggregation Of Revenue [Line Items]
Percentage of total revenue	22.60%	21.70%	22.30%	21.90%
Commercial
Disaggregation Of Revenue [Line Items]
Percentage of total revenue	10.60%	9.80%	10.40%	9.90%
Medicare
Disaggregation Of Revenue [Line Items]
Percentage of total revenue	12.40%	14.10%	12.80%	16.20%
Self-pay
Disaggregation Of Revenue [Line Items]
Percentage of total revenue	0.20%	0.10%	0.10%	0.10%