Segment Information - Schedule of Segment Information (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 29, 2025	Mar. 30, 2024
Segment Reporting Information [Line Items]
Net sales	$ 1,000,165	$ 849,654
Corporate expenses	206,262	183,425
Interest expense	(25)	(115)
Interest income	9,901	17,245
Unrealized losses on short-term investments	(5,010)	365
Other income, net	92	630
Income before income taxes	211,220	201,550
Piping Systems
Segment Reporting Information [Line Items]
Net sales	629,359	579,865
Industrial Metals
Segment Reporting Information [Line Items]
Net sales	247,790	153,151
Climate
Segment Reporting Information [Line Items]
Net sales	123,016	116,638
Operating Segments
Segment Reporting Information [Line Items]
Net sales	1,014,703	863,045
Manufacturing costs	754,202	629,870
Sales and marketing expense	12,787	10,379
Distribution expense	12,330	10,306
Other segment items	11,512	12,964
Segment operating income	223,872	199,526
Operating Segments | Piping Systems
Segment Reporting Information [Line Items]
Net sales	639,683	590,168
Manufacturing costs	462,465	424,526
Sales and marketing expense	8,254	6,306
Distribution expense	11,154	9,250
Other segment items	(354)	7,406
Segment operating income	158,164	142,680
Operating Segments | Industrial Metals
Segment Reporting Information [Line Items]
Net sales	251,913	156,067
Manufacturing costs	211,741	128,369
Sales and marketing expense	1,224	720
Distribution expense	704	583
Other segment items	8,160	2,124
Segment operating income	30,084	24,271
Operating Segments | Climate
Segment Reporting Information [Line Items]
Net sales	123,107	116,810
Manufacturing costs	79,996	76,975
Sales and marketing expense	3,309	3,353
Distribution expense	472	473
Other segment items	3,706	3,434
Segment operating income	35,624	32,575
Intersegment sales
Segment Reporting Information [Line Items]
Net sales	(14,538)	(13,391)
Intersegment sales | Piping Systems
Segment Reporting Information [Line Items]
Net sales	(10,324)	(10,303)
Intersegment sales | Industrial Metals
Segment Reporting Information [Line Items]
Net sales	(4,123)	(2,916)
Intersegment sales | Climate
Segment Reporting Information [Line Items]
Net sales	(91)	(172)
Corporate expenses
Segment Reporting Information [Line Items]
Corporate expenses	(17,610)	(16,101)
Segment Reporting, Reconciling Item, Excluding Corporate Nonsegment
Segment Reporting Information [Line Items]
Interest expense	(25)	(115)
Interest income	9,901	17,245
Unrealized losses on short-term investments	(5,010)	365
Other income, net	$ 92	$ 630