Summary of Significant Accounting Policies (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 26, 2026	Jun. 27, 2025	Jun. 26, 2026	Jun. 27, 2025
Disaggregation of Revenue [Line Items]
Net sales	$ 1,168,613	$ 1,034,906	$ 2,227,623	$ 1,985,654
Net Sales \| Product Concentration Risk
Disaggregation of Revenue [Line Items]
Percentage of total net sales	100.00%	100.00%	100.00%	100.00%
Center-of-the-Plate
Disaggregation of Revenue [Line Items]
Net sales	$ 457,612	$ 394,327	$ 878,480	$ 755,819
Center-of-the-Plate \| Net Sales \| Product Concentration Risk
Disaggregation of Revenue [Line Items]
Percentage of total net sales	39.20%	38.10%	39.40%	38.10%
Total Specialty
Disaggregation of Revenue [Line Items]
Net sales	$ 711,001	$ 640,579	$ 1,349,143	$ 1,229,835
Total Specialty \| Net Sales \| Product Concentration Risk
Disaggregation of Revenue [Line Items]
Percentage of total net sales	60.80%	61.90%	60.60%	61.90%
Dry Goods
Disaggregation of Revenue [Line Items]
Net sales	$ 185,824	$ 167,680	$ 352,544	$ 317,786
Dry Goods \| Net Sales \| Product Concentration Risk
Disaggregation of Revenue [Line Items]
Percentage of total net sales	15.90%	16.20%	15.80%	16.00%
Produce
Disaggregation of Revenue [Line Items]
Net sales	$ 166,201	$ 124,032	$ 305,478	$ 243,604
Produce \| Net Sales \| Product Concentration Risk
Disaggregation of Revenue [Line Items]
Percentage of total net sales	14.20%	12.00%	13.70%	12.30%
Pastry
Disaggregation of Revenue [Line Items]
Net sales	$ 149,368	$ 139,268	$ 295,875	$ 267,806
Pastry \| Net Sales \| Product Concentration Risk
Disaggregation of Revenue [Line Items]
Percentage of total net sales	12.80%	13.50%	13.30%	13.50%
Cheese and Charcuterie
Disaggregation of Revenue [Line Items]
Net sales	$ 79,392	$ 75,990	$ 148,335	$ 141,165
Cheese and Charcuterie \| Net Sales \| Product Concentration Risk
Disaggregation of Revenue [Line Items]
Percentage of total net sales	6.80%	7.30%	6.70%	7.10%
Dairy and Eggs
Disaggregation of Revenue [Line Items]
Net sales	$ 68,561	$ 77,953	$ 132,431	$ 154,022
Dairy and Eggs \| Net Sales \| Product Concentration Risk
Disaggregation of Revenue [Line Items]
Percentage of total net sales	5.90%	7.50%	5.90%	7.80%
Oils and Vinegars
Disaggregation of Revenue [Line Items]
Net sales	$ 36,763	$ 35,713	$ 68,405	$ 67,363
Oils and Vinegars \| Net Sales \| Product Concentration Risk
Disaggregation of Revenue [Line Items]
Percentage of total net sales	3.10%	3.50%	3.10%	3.40%
Kitchen Supplies
Disaggregation of Revenue [Line Items]
Net sales	$ 24,892	$ 19,943	$ 46,075	$ 38,089
Kitchen Supplies \| Net Sales \| Product Concentration Risk
Disaggregation of Revenue [Line Items]
Percentage of total net sales	2.10%	1.90%	2.10%	1.80%