Segment Information - Other segment disclosures (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 28, 2026	Mar. 29, 2025	Dec. 27, 2025
Segment Reporting Information [Line Items]
Depreciation and amortization	$ 16,652	$ 17,123
Gain (loss) on disposal of assets, net	1,533	(14,465)
Asset impairments	2,653	0
Gain on sale of business	(41,407)	0
Expenditures for long-lived assets (including those resulting from business acquisitions)	17,236	16,592
Segment assets	3,942,363	3,231,304	$ 3,733,029
Corporate expenses
Segment Reporting Information [Line Items]
Depreciation and amortization	1,063	1,656
Gain (loss) on disposal of assets, net	0	0
Asset impairments	0
Gain on sale of business	(41,407)
Expenditures for long-lived assets (including those resulting from business acquisitions)	0	0
Segment assets	1,398,034	858,799
Piping Systems | Operating Segments
Segment Reporting Information [Line Items]
Depreciation and amortization	5,602	5,419
Gain (loss) on disposal of assets, net	1,525	(14,462)
Asset impairments	2,653
Gain on sale of business	0
Expenditures for long-lived assets (including those resulting from business acquisitions)	4,667	7,394
Segment assets	1,353,134	1,244,370
Industrial Metals | Operating Segments
Segment Reporting Information [Line Items]
Depreciation and amortization	8,308	8,356
Gain (loss) on disposal of assets, net	8	0
Asset impairments	0
Gain on sale of business	0
Expenditures for long-lived assets (including those resulting from business acquisitions)	10,934	7,785
Segment assets	922,618	862,274
Climate | Operating Segments
Segment Reporting Information [Line Items]
Depreciation and amortization	1,679	1,692
Gain (loss) on disposal of assets, net	0	(3)
Asset impairments	0
Gain on sale of business	0
Expenditures for long-lived assets (including those resulting from business acquisitions)	1,635	1,413
Segment assets	$ 268,577	$ 265,861