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Segment Information - Summary of Segment Information (Details) - USD ($) $ in Thousands | 3 Months Ended | 12 Months Ended
--- | --- | ---
Dec. 26, 2020 | Sep. 26, 2020 | Jun. 27, 2020 | Mar. 28, 2020 | Dec. 28, 2019 | Sep. 28, 2019 | Jun. 29, 2019 | Mar. 30, 2019 | Dec. 26, 2020 | Dec. 28, 2019 | Dec. 29, 2018
Segment Reporting Information, Income (Loss) before Income Taxes [Abstract] |  |  |  |  |  |  |  |  |  |  |
Net sales | $ 675,851 | $ 619,105 | $ 500,168 | $ 602,919 | $ 543,839 | $ 608,602 | $ 666,394 | $ 611,781 | $ 2,398,043 | $ 2,430,616 | $ 2,507,878
Cost of goods sold |  |  |  |  |  |  |  |  | 1,966,161 | 2,035,610 | 2,150,400
Depreciation and amortization |  |  |  |  |  |  |  |  | 44,843 | 42,693 | 39,555
Selling, general, and administrative expense |  |  |  |  |  |  |  |  | 159,483 | 162,358 | 148,888
Gain on sale of assets, net |  |  |  |  |  |  |  |  | 0 | (963) | (253)
Litigation settlement, net |  |  |  |  |  |  |  |  | (22,053) | 0 | 0
Insurance recovery |  |  |  |  |  |  |  |  | 0 | (485) | (3,681)
Impairment charges |  |  |  |  |  |  |  |  | 3,771 | 0 | 0
Operating income |  |  |  |  |  |  |  |  | 245,838 | 191,403 | 172,969
Interest expense |  |  |  |  |  |  |  |  | (19,247) | (25,683) | (25,199)
Pension plan termination expense |  |  |  |  |  |  |  |  | (17,835) | 0 | 0
Environmental expense |  |  |  |  |  |  |  |  | (4,454) | (1,321) | (1,320)
Other income, net |  |  |  |  |  |  |  |  | 4,887 | 1,684 | 3,967
Income before income taxes |  |  |  |  |  |  |  |  | 209,189 | 166,083 | 150,417
Expenditures for long-lived assets |  |  |  |  |  |  |  |  | 51,146 | 31,162 | 124,936
Segment assets | 1,528,568 |  |  |  | 1,370,940 |  |  |  | 1,528,568 | 1,370,940 | 1,369,549
Operating Segments [Member] |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information, Income (Loss) before Income Taxes [Abstract] |  |  |  |  |  |  |  |  |  |  |
Net sales |  |  |  |  |  |  |  |  | 2,425,292 | 2,453,044 | 2,525,763
Intersegment Eliminations [Member] |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information, Income (Loss) before Income Taxes [Abstract] |  |  |  |  |  |  |  |  |  |  |
Net sales |  |  |  |  |  |  |  |  | (27,249) | (22,428) | (17,885)
Corporate Segment [Member] |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information, Income (Loss) before Income Taxes [Abstract] |  |  |  |  |  |  |  |  |  |  |
Net sales |  |  |  |  |  |  |  |  | (27,249) | (22,428) | (17,885)
Cost of goods sold |  |  |  |  |  |  |  |  | (19,810) | (25,230) | (18,152)
Depreciation and amortization |  |  |  |  |  |  |  |  | 3,995 | 3,285 | 3,114
Selling, general, and administrative expense |  |  |  |  |  |  |  |  | 41,367 | 44,444 | 43,597
Gain on sale of assets, net |  |  |  |  |  |  |  |  |  | 0 | 3,141
Litigation settlement, net |  |  |  |  |  |  |  |  | (22,053) |  |
Insurance recovery |  |  |  |  |  |  |  |  |  | 0 | 0
Impairment charges |  |  |  |  |  |  |  |  | 0 |  |
Operating income |  |  |  |  |  |  |  |  | (30,748) | (44,927) | (49,585)
Expenditures for long-lived assets |  |  |  |  |  |  |  |  | 448 | 2,711 | 37
Segment assets | 139,280 |  |  |  | 162,921 |  |  |  | 139,280 | 162,921 | 130,670
Piping Systems [Member] |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information, Income (Loss) before Income Taxes [Abstract] |  |  |  |  |  |  |  |  |  |  |
Impairment charges |  |  |  |  |  |  |  |  | 3,800 |  |
Piping Systems [Member] | Operating Segments [Member] |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information, Income (Loss) before Income Taxes [Abstract] |  |  |  |  |  |  |  |  |  |  |
Net sales |  |  |  |  |  |  |  |  | 1,583,002 | 1,542,456 | 1,645,633
Cost of goods sold |  |  |  |  |  |  |  |  | 1,311,697 | 1,313,980 | 1,426,729
Depreciation and amortization |  |  |  |  |  |  |  |  | 23,071 | 22,621 | 23,304
Selling, general, and administrative expense |  |  |  |  |  |  |  |  | 78,744 | 75,170 | 74,864
Gain on sale of assets, net |  |  |  |  |  |  |  |  |  | (1,194) | (2,093)
Litigation settlement, net |  |  |  |  |  |  |  |  | 0 |  |
Insurance recovery |  |  |  |  |  |  |  |  |  | 0 | 0
Impairment charges |  |  |  |  |  |  |  |  | 3,771 |  |
Operating income |  |  |  |  |  |  |  |  | 165,719 | 131,879 | 122,829
Expenditures for long-lived assets |  |  |  |  |  |  |  |  | 39,209 | 15,505 | 31,362
Segment assets | 977,937 |  |  |  | 796,262 |  |  |  | 977,937 | 796,262 | 818,303
Industrial Metals [Member] | Operating Segments [Member] |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information, Income (Loss) before Income Taxes [Abstract] |  |  |  |  |  |  |  |  |  |  |
Net sales |  |  |  |  |  |  |  |  | 472,159 | 554,372 | 651,061
Cost of goods sold |  |  |  |  |  |  |  |  | 398,000 | 473,010 | 559,367
Depreciation and amortization |  |  |  |  |  |  |  |  | 7,528 | 7,489 | 7,568
Selling, general, and administrative expense |  |  |  |  |  |  |  |  | 12,566 | 12,359 | 13,501
Gain on sale of assets, net |  |  |  |  |  |  |  |  |  | 275 | (1,301)
Litigation settlement, net |  |  |  |  |  |  |  |  | 0 |  |
Insurance recovery |  |  |  |  |  |  |  |  |  | (485) | (3,681)
Impairment charges |  |  |  |  |  |  |  |  | 0 |  |
Operating income |  |  |  |  |  |  |  |  | 54,065 | 61,724 | 75,607
Expenditures for long-lived assets |  |  |  |  |  |  |  |  | 5,968 | 9,101 | 8,066
Segment assets | 152,683 |  |  |  | 161,904 |  |  |  | 152,683 | 161,904 | 173,725
Climate [Member] | Operating Segments [Member] |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information, Income (Loss) before Income Taxes [Abstract] |  |  |  |  |  |  |  |  |  |  |
Net sales |  |  |  |  |  |  |  |  | 370,131 | 356,216 | 229,069
Cost of goods sold |  |  |  |  |  |  |  |  | 276,274 | 273,850 | 182,456
Depreciation and amortization |  |  |  |  |  |  |  |  | 10,249 | 9,298 | 5,569
Selling, general, and administrative expense |  |  |  |  |  |  |  |  | 26,806 | 30,385 | 16,926
Gain on sale of assets, net |  |  |  |  |  |  |  |  |  | (44) | 0
Litigation settlement, net |  |  |  |  |  |  |  |  | 0 |  |
Insurance recovery |  |  |  |  |  |  |  |  |  | 0 | 0
Impairment charges |  |  |  |  |  |  |  |  | 0 |  |
Operating income |  |  |  |  |  |  |  |  | 56,802 | 42,727 | 24,118
Expenditures for long-lived assets |  |  |  |  |  |  |  |  | 5,521 | 3,845 | 85,471
Segment assets | $ 258,668 |  |  |  | $ 249,853 |  |  |  | 258,668 | 249,853 | 246,851
Tube and fittings [Member] | Operating Segments [Member] |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information, Income (Loss) before Income Taxes [Abstract] |  |  |  |  |  |  |  |  |  |  |
Net sales |  |  |  |  |  |  |  |  | 1,232,724 | 1,271,558 | 1,352,875
Tube and fittings [Member] | Piping Systems [Member] | Operating Segments [Member] |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information, Income (Loss) before Income Taxes [Abstract] |  |  |  |  |  |  |  |  |  |  |
Net sales |  |  |  |  |  |  |  |  | 1,232,724 | 1,271,558 | 1,352,875
Tube and fittings [Member] | Industrial Metals [Member] | Operating Segments [Member] |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information, Income (Loss) before Income Taxes [Abstract] |  |  |  |  |  |  |  |  |  |  |
Net sales |  |  |  |  |  |  |  |  | 0 | 0 | 0
Tube and fittings [Member] | Climate [Member] | Operating Segments [Member] |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information, Income (Loss) before Income Taxes [Abstract] |  |  |  |  |  |  |  |  |  |  |
Net sales |  |  |  |  |  |  |  |  | 0 | 0 | 0
Brass rod and forgings [Member] | Operating Segments [Member] |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information, Income (Loss) before Income Taxes [Abstract] |  |  |  |  |  |  |  |  |  |  |
Net sales |  |  |  |  |  |  |  |  | 356,547 | 425,573 | 501,472
Brass rod and forgings [Member] | Piping Systems [Member] | Operating Segments [Member] |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information, Income (Loss) before Income Taxes [Abstract] |  |  |  |  |  |  |  |  |  |  |
Net sales |  |  |  |  |  |  |  |  | 0 | 0 | 0
Brass rod and forgings [Member] | Industrial Metals [Member] | Operating Segments [Member] |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information, Income (Loss) before Income Taxes [Abstract] |  |  |  |  |  |  |  |  |  |  |
Net sales |  |  |  |  |  |  |  |  | 356,547 | 425,573 | 501,472
Brass rod and forgings [Member] | Climate [Member] | Operating Segments [Member] |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information, Income (Loss) before Income Taxes [Abstract] |  |  |  |  |  |  |  |  |  |  |
Net sales |  |  |  |  |  |  |  |  | 0 | 0 | 0
OEM components, tube and assemblies [Member] | Operating Segments [Member] |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information, Income (Loss) before Income Taxes [Abstract] |  |  |  |  |  |  |  |  |  |  |
Net sales |  |  |  |  |  |  |  |  | 236,854 | 210,858 | 222,272
OEM components, tube and assemblies [Member] | Piping Systems [Member] | Operating Segments [Member] |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information, Income (Loss) before Income Taxes [Abstract] |  |  |  |  |  |  |  |  |  |  |
Net sales |  |  |  |  |  |  |  |  | 56,176 | 29,103 | 29,578
OEM components, tube and assemblies [Member] | Industrial Metals [Member] | Operating Segments [Member] |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information, Income (Loss) before Income Taxes [Abstract] |  |  |  |  |  |  |  |  |  |  |
Net sales |  |  |  |  |  |  |  |  | 42,127 | 48,104 | 53,581
OEM components, tube and assemblies [Member] | Climate [Member] | Operating Segments [Member] |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information, Income (Loss) before Income Taxes [Abstract] |  |  |  |  |  |  |  |  |  |  |
Net sales |  |  |  |  |  |  |  |  | 138,551 | 133,651 | 139,113
Valves and plumbing specialties [Member] | Operating Segments [Member] |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information, Income (Loss) before Income Taxes [Abstract] |  |  |  |  |  |  |  |  |  |  |
Net sales |  |  |  |  |  |  |  |  | 294,102 | 241,795 | 263,180
Valves and plumbing specialties [Member] | Piping Systems [Member] | Operating Segments [Member] |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information, Income (Loss) before Income Taxes [Abstract] |  |  |  |  |  |  |  |  |  |  |
Net sales |  |  |  |  |  |  |  |  | 294,102 | 241,795 | 263,180
Valves and plumbing specialties [Member] | Industrial Metals [Member] | Operating Segments [Member] |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information, Income (Loss) before Income Taxes [Abstract] |  |  |  |  |  |  |  |  |  |  |
Net sales |  |  |  |  |  |  |  |  | 0 | 0 | 0
Valves and plumbing specialties [Member] | Climate [Member] | Operating Segments [Member] |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information, Income (Loss) before Income Taxes [Abstract] |  |  |  |  |  |  |  |  |  |  |
Net sales |  |  |  |  |  |  |  |  | 0 | 0 | 0
Other products [Member] | Operating Segments [Member] |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information, Income (Loss) before Income Taxes [Abstract] |  |  |  |  |  |  |  |  |  |  |
Net sales |  |  |  |  |  |  |  |  | 305,065 | 303,260 | 185,964
Other products [Member] | Piping Systems [Member] | Operating Segments [Member] |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information, Income (Loss) before Income Taxes [Abstract] |  |  |  |  |  |  |  |  |  |  |
Net sales |  |  |  |  |  |  |  |  | 0 | 0 | 0
Other products [Member] | Industrial Metals [Member] | Operating Segments [Member] |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information, Income (Loss) before Income Taxes [Abstract] |  |  |  |  |  |  |  |  |  |  |
Net sales |  |  |  |  |  |  |  |  | 73,485 | 80,695 | 96,008
Other products [Member] | Climate [Member] | Operating Segments [Member] |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information, Income (Loss) before Income Taxes [Abstract] |  |  |  |  |  |  |  |  |  |  |
Net sales |  |  |  |  |  |  |  |  | $ 231,580 | $ 222,565 | $ 89,956

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