Segment Information - Summary of Segment Information (Details) - USD ($) $ in Thousands	3 Months Ended								12 Months Ended
	Dec. 25, 2021	Sep. 25, 2021	Jun. 26, 2021	Mar. 27, 2021	Dec. 26, 2020	Sep. 26, 2020	Jun. 27, 2020	Mar. 28, 2020	Dec. 25, 2021	Dec. 26, 2020	Dec. 28, 2019
Segment Reporting Information, Income (Loss) before Income Taxes [Abstract]
Net sales	$ 956,357	$ 982,248	$ 1,012,592	$ 818,148	$ 675,851	$ 619,105	$ 500,168	$ 602,919	$ 3,769,345	$ 2,398,043	$ 2,430,616
Cost of goods sold									2,938,989	1,966,161	2,035,610
Depreciation and amortization									45,390	44,843	42,693
Selling, general, and administrative expense									184,052	159,483	162,358
Gain on sale of manufacturing equipment									769	(132)	963
Gain on sale of businesses									(57,760)	0	0
Litigation settlement, net									0	(22,053)	0
Insurance recovery									0	0	(485)
Impairment charges									2,829	3,771	0
Operating income									655,845	245,838	191,403
Interest expense									(7,709)	(19,247)	(25,683)
Pension plan termination expense									0	(17,835)	0
Redemption premium									(5,674)	0	0
Environmental expense									(5,053)	(4,454)	(1,321)
Other income, net									3,730	4,887	1,684
Income before income taxes									641,139	209,189	166,083
Expenditures for long-lived assets									65,122	51,146	31,162
Segment assets	1,728,936				1,528,568				1,728,936	1,528,568	1,370,940
Operating Segments
Segment Reporting Information, Income (Loss) before Income Taxes [Abstract]
Net sales									3,798,807	2,425,292	2,453,044
Intersegment sales
Segment Reporting Information, Income (Loss) before Income Taxes [Abstract]
Net sales									(29,462)	(27,249)	(22,428)
Corporate and Eliminations
Segment Reporting Information, Income (Loss) before Income Taxes [Abstract]
Net sales									(29,462)	(27,249)	(22,428)
Cost of goods sold									(30,679)	(19,810)	(25,230)
Depreciation and amortization									4,698	3,995	3,285
Selling, general, and administrative expense									49,278	41,367	44,444
Gain on sale of assets, net											0
Gain on sale of businesses									(51,306)
Litigation settlement, net										(22,053)
Insurance recovery											0
Impairment charges									0	0
Operating income									(1,453)	(30,748)	(44,927)
Expenditures for long-lived assets									3,521	448	2,711
Segment assets	145,267				139,280				145,267	139,280	162,921
Piping Systems
Segment Reporting Information, Income (Loss) before Income Taxes [Abstract]
Impairment charges										3,800
Piping Systems | Operating Segments
Segment Reporting Information, Income (Loss) before Income Taxes [Abstract]
Net sales									2,600,030	1,583,002	1,542,456
Cost of goods sold									1,996,610	1,311,697	1,313,980
Depreciation and amortization									23,384	23,071	22,621
Selling, general, and administrative expense									93,749	78,744	75,170
Gain on sale of assets, net											(1,194)
Gain on sale of businesses									0
Litigation settlement, net										0
Insurance recovery											0
Impairment charges									0	3,771
Operating income									486,287	165,719	131,879
Expenditures for long-lived assets									43,429	39,209	15,505
Segment assets	1,160,272				977,937				1,160,272	977,937	796,262
Industrial Metals | Operating Segments
Segment Reporting Information, Income (Loss) before Income Taxes [Abstract]
Net sales									703,363	472,159	554,372
Cost of goods sold									605,715	398,000	473,010
Depreciation and amortization									6,929	7,528	7,489
Selling, general, and administrative expense									11,698	12,566	12,359
Gain on sale of assets, net											275
Gain on sale of businesses									(6,454)
Litigation settlement, net										0
Insurance recovery											(485)
Impairment charges									0	0
Operating income									85,475	54,065	61,724
Expenditures for long-lived assets									5,744	5,968	9,101
Segment assets	173,290				152,683				173,290	152,683	161,904
Climate | Operating Segments
Segment Reporting Information, Income (Loss) before Income Taxes [Abstract]
Net sales									495,414	370,131	356,216
Cost of goods sold									367,343	276,274	273,850
Depreciation and amortization									10,379	10,249	9,298
Selling, general, and administrative expense									29,327	26,806	30,385
Gain on sale of assets, net											(44)
Gain on sale of businesses									0
Litigation settlement, net										0
Insurance recovery											0
Impairment charges									2,829	0
Operating income									85,536	56,802	42,727
Expenditures for long-lived assets									12,428	5,521	3,845
Segment assets	$ 250,107				$ 258,668				250,107	258,668	249,853
Tube and fittings | Operating Segments
Segment Reporting Information, Income (Loss) before Income Taxes [Abstract]
Net sales									2,055,639	1,232,724	1,271,558
Tube and fittings | Piping Systems | Operating Segments
Segment Reporting Information, Income (Loss) before Income Taxes [Abstract]
Net sales									2,055,639	1,232,724	1,271,558
Tube and fittings | Industrial Metals | Operating Segments
Segment Reporting Information, Income (Loss) before Income Taxes [Abstract]
Net sales									0	0	0
Tube and fittings | Climate | Operating Segments
Segment Reporting Information, Income (Loss) before Income Taxes [Abstract]
Net sales									0	0	0
Brass rod and forgings | Operating Segments
Segment Reporting Information, Income (Loss) before Income Taxes [Abstract]
Net sales									565,870	356,547	425,573
Brass rod and forgings | Piping Systems | Operating Segments
Segment Reporting Information, Income (Loss) before Income Taxes [Abstract]
Net sales									0	0	0
Brass rod and forgings | Industrial Metals | Operating Segments
Segment Reporting Information, Income (Loss) before Income Taxes [Abstract]
Net sales									565,870	356,547	425,573
Brass rod and forgings | Climate | Operating Segments
Segment Reporting Information, Income (Loss) before Income Taxes [Abstract]
Net sales									0	0	0
OEM components, tube & assemblies | Operating Segments
Segment Reporting Information, Income (Loss) before Income Taxes [Abstract]
Net sales									218,693	236,854	210,858
OEM components, tube & assemblies | Piping Systems | Operating Segments
Segment Reporting Information, Income (Loss) before Income Taxes [Abstract]
Net sales									32,557	56,176	29,103
OEM components, tube & assemblies | Industrial Metals | Operating Segments
Segment Reporting Information, Income (Loss) before Income Taxes [Abstract]
Net sales									48,572	42,127	48,104
OEM components, tube & assemblies | Climate | Operating Segments
Segment Reporting Information, Income (Loss) before Income Taxes [Abstract]
Net sales									137,564	138,551	133,651
Valves and plumbing specialties | Operating Segments
Segment Reporting Information, Income (Loss) before Income Taxes [Abstract]
Net sales									511,834	294,102	241,795
Valves and plumbing specialties | Piping Systems | Operating Segments
Segment Reporting Information, Income (Loss) before Income Taxes [Abstract]
Net sales									511,834	294,102	241,795
Valves and plumbing specialties | Industrial Metals | Operating Segments
Segment Reporting Information, Income (Loss) before Income Taxes [Abstract]
Net sales									0	0	0
Valves and plumbing specialties | Climate | Operating Segments
Segment Reporting Information, Income (Loss) before Income Taxes [Abstract]
Net sales									0	0	0
Flex duct and other HVAC components | Operating Segments
Segment Reporting Information, Income (Loss) before Income Taxes [Abstract]
Net sales									357,850	231,580	222,565
Flex duct and other HVAC components | Piping Systems | Operating Segments
Segment Reporting Information, Income (Loss) before Income Taxes [Abstract]
Net sales									0	0	0
Flex duct and other HVAC components | Industrial Metals | Operating Segments
Segment Reporting Information, Income (Loss) before Income Taxes [Abstract]
Net sales									0	0	0
Flex duct and other HVAC components | Climate | Operating Segments
Segment Reporting Information, Income (Loss) before Income Taxes [Abstract]
Net sales									357,850	231,580	222,565
Other | Operating Segments
Segment Reporting Information, Income (Loss) before Income Taxes [Abstract]
Net sales									88,921	73,485	80,695
Other | Piping Systems | Operating Segments
Segment Reporting Information, Income (Loss) before Income Taxes [Abstract]
Net sales									0	0	0
Other | Industrial Metals | Operating Segments
Segment Reporting Information, Income (Loss) before Income Taxes [Abstract]
Net sales									88,921	73,485	80,695
Other | Climate | Operating Segments
Segment Reporting Information, Income (Loss) before Income Taxes [Abstract]
Net sales									$ 0	$ 0	$ 0