Segment Information - Schedule of Segment Information (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 29, 2024	Jul. 01, 2023	Jun. 29, 2024	Jul. 01, 2023	Dec. 30, 2023
Summary of segment information [Abstract]
Net sales	$ 997,745	$ 896,984	$ 1,847,399	$ 1,868,176
Cost of goods sold	724,990	639,272	1,333,693	1,318,070
Depreciation and amortization	10,018	10,416	19,187	21,073
Selling, general, and administrative expense	52,731	56,062	101,088	108,693
Gain on insurance settlement	0	(19,466)	0	(19,466)
Operating income	210,006	210,700	393,431	439,806
Interest expense	(107)	(135)	(222)	(278)
Interest income	14,383	7,732	31,628	13,967
Realized and unrealized gains on short-term investments	0	20,820	365	22,730
Other (expense) income, net	(1,356)	1,841	(726)	2,167
Income before income taxes	222,926	240,958	424,476	478,392
Assets	3,066,185		3,066,185		$ 2,759,301
Operating Segments
Summary of segment information [Abstract]
Net sales	1,014,342	908,225	1,877,387	1,888,892
Operating Segments | Piping Systems
Summary of segment information [Abstract]
Net sales	688,469	638,005	1,278,637	1,300,484
Cost of goods sold	500,826	452,866	921,767	920,476
Depreciation and amortization	4,932	5,252	9,492	10,810
Selling, general, and administrative expense	20,453	28,745	42,440	54,202
Gain on insurance settlement		0		0
Operating income	162,258	151,142	304,938	314,996
Assets	1,112,550		1,112,550		1,029,821
Operating Segments | Industrial Metals
Summary of segment information [Abstract]
Net sales	195,341	146,266	351,408	311,500
Cost of goods sold	159,265	123,097	285,869	256,267
Depreciation and amortization	2,368	1,804	4,288	3,576
Selling, general, and administrative expense	4,015	3,394	7,287	6,471
Gain on insurance settlement		0		0
Operating income	29,693	17,971	53,964	45,186
Assets	821,011		821,011		157,761
Operating Segments | Climate
Summary of segment information [Abstract]
Net sales	130,532	123,954	247,342	276,908
Cost of goods sold	82,291	77,064	157,882	165,876
Depreciation and amortization	1,646	2,202	3,241	4,355
Selling, general, and administrative expense	7,602	7,087	14,651	15,088
Gain on insurance settlement		(19,466)		(19,466)
Operating income	38,993	57,067	71,568	111,055
Assets	275,872		275,872		252,561
Corporate and Eliminations
Summary of segment information [Abstract]
Net sales	(16,597)	(11,241)	(29,988)	(20,716)
Cost of goods sold	(17,392)	(13,755)	(31,825)	(24,549)
Depreciation and amortization	1,072	1,158	2,166	2,332
Selling, general, and administrative expense	20,661	16,836	36,710	32,932
Gain on insurance settlement		0		0
Operating income	(20,938)	$ (15,480)	(37,039)	$ (31,431)
Assets	$ 856,752		$ 856,752		$ 1,319,158