Segment Information - Summary of Segment Information (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 25, 2022	Jun. 26, 2021	Jun. 25, 2022	Jun. 26, 2021	Dec. 25, 2021
Summary of segment information [Abstract]
Net sales	$ 1,150,042	$ 1,012,592	$ 2,160,044	$ 1,830,740
Cost of goods sold	820,914	799,712	1,565,425	1,468,130
Depreciation and amortization	11,302	11,134	22,143	22,889
Selling, general, and administrative expense	48,956	43,932	96,412	89,367
Gain on sale of assets	0	0	(5,507)	0
Operating income	268,870	157,814	481,571	250,354
Interest expense	(147)	(1,866)	(305)	(6,335)
Redemption premium	0	(5,674)	0	(5,674)
Other income, net	2,203	683	2,983	1,260
Income before income taxes	270,926	150,957	484,249	239,605
Assets	2,046,972		2,046,972		$ 1,728,936
Operating Segments
Summary of segment information [Abstract]
Net sales	1,168,466	1,023,364	2,186,830	1,846,990
Operating Segments | Piping Systems
Summary of segment information [Abstract]
Net sales	824,807	711,616	1,528,237	1,259,364
Cost of goods sold	585,090	558,278	1,099,277	1,008,632
Depreciation and amortization	5,930	5,515	11,330	11,725
Selling, general, and administrative expense	22,208	23,315	45,563	47,401
Gain on sale of assets			0
Operating income	211,579	124,508	372,067	191,606
Assets	1,298,116		1,298,116		1,160,272
Operating Segments | Industrial Metals
Summary of segment information [Abstract]
Net sales	179,175	180,040	353,487	344,892
Cost of goods sold	150,940	155,399	296,650	296,290
Depreciation and amortization	1,846	1,694	3,790	3,437
Selling, general, and administrative expense	2,221	2,448	5,620	5,819
Gain on sale of assets			0
Operating income	24,168	20,499	47,427	39,346
Assets	195,907		195,907		173,290
Operating Segments | Climate
Summary of segment information [Abstract]
Net sales	164,484	131,708	305,106	242,734
Cost of goods sold	103,110	96,303	197,067	180,385
Depreciation and amortization	2,348	2,753	4,700	5,382
Selling, general, and administrative expense	8,279	7,280	15,892	14,260
Gain on sale of assets			0
Operating income	50,747	25,372	87,447	42,707
Assets	288,776		288,776		250,107
Corporate and Eliminations
Summary of segment information [Abstract]
Net sales	(18,424)	(10,772)	(26,786)	(16,250)
Cost of goods sold	(18,226)	(10,268)	(27,569)	(17,177)
Depreciation and amortization	1,178	1,172	2,323	2,345
Selling, general, and administrative expense	16,248	10,889	29,337	21,887
Gain on sale of assets			(5,507)
Operating income	(17,624)	$ (12,565)	(25,370)	$ (23,305)
Assets	$ 264,173		$ 264,173		$ 145,267