Segment Information - Other segment disclosures (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 28, 2025	Jun. 29, 2024	Jun. 28, 2025	Jun. 29, 2024	Dec. 28, 2024
Segment Reporting Information [Line Items]
Depreciation and amortization	$ 17,905	$ 10,018	$ 35,028	$ 19,187
(Gain) loss on disposal on sale of assets, net	(337)		14,802
Gain on insurance proceeds	36,278	0	36,278	0
Expenditures for long-lived assets (including those resulting from business acquisitions)	14,099	108,016	30,691	124,422
Segment assets	3,487,442	3,066,185	3,487,442	3,066,185	$ 3,290,906
Corporate expenses
Segment Reporting Information [Line Items]
Depreciation and amortization	1,662	1,072	3,318	2,166
(Gain) loss on disposal on sale of assets, net	0		0
Gain on insurance proceeds	0		0
Expenditures for long-lived assets (including those resulting from business acquisitions)	0	(14)	0	5,187
Segment assets	1,051,580	856,752	1,051,580	856,752
Piping Systems | Operating Segments
Segment Reporting Information [Line Items]
Depreciation and amortization	6,071	4,932	11,490	9,492
(Gain) loss on disposal on sale of assets, net	(1,347)		15,809
Gain on insurance proceeds	36,278		36,278
Expenditures for long-lived assets (including those resulting from business acquisitions)	4,629	3,853	12,023	10,582
Segment assets	1,301,336	1,112,550	1,301,336	1,112,550
Industrial Metals | Operating Segments
Segment Reporting Information [Line Items]
Depreciation and amortization	8,446	2,368	16,802	4,288
(Gain) loss on disposal on sale of assets, net	(3)		3
Gain on insurance proceeds	0		0
Expenditures for long-lived assets (including those resulting from business acquisitions)	8,446	102,828	16,231	103,889
Segment assets	864,235	821,011	864,235	821,011
Climate | Operating Segments
Segment Reporting Information [Line Items]
Depreciation and amortization	1,726	1,646	3,418	3,241
(Gain) loss on disposal on sale of assets, net	1,013		(1,010)
Gain on insurance proceeds	0		0
Expenditures for long-lived assets (including those resulting from business acquisitions)	1,024	1,349	2,437	4,764
Segment assets	$ 270,291	$ 275,872	$ 270,291	$ 275,872