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Revenue Recognition (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 29, 2025	Mar. 30, 2024
Disaggregation of Revenue [Line Items]
Net sales	$ 709,226	$ 726,244
Selling, general and administrative expense	94,093	91,250
Warehouse and reload
Disaggregation of Revenue [Line Items]
Net sales	581,793	591,768
Direct
Disaggregation of Revenue [Line Items]
Net sales	142,492	149,750
Customer discounts and rebates
Disaggregation of Revenue [Line Items]
Net sales	(15,059)	(15,274)
Specialty products
Disaggregation of Revenue [Line Items]
Net sales	479,387	503,834
Structural products
Disaggregation of Revenue [Line Items]
Net sales	229,839	222,410
Shipping and Handling
Disaggregation of Revenue [Line Items]
Selling, general and administrative expense	$ 39,400	$ 38,200

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