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v3.20.2

Segment Information - Summary of Segment Information (Details) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 26, 2020 | Sep. 28, 2019 | Sep. 26, 2020 | Sep. 28, 2019
Summary of segment information [Abstract] |  |  |  |
Net sales | $ 619,105 | $ 608,602 | $ 1,722,192 | $ 1,886,777
Cost of goods sold | 500,780 | 510,788 | 1,412,654 | 1,586,129
Depreciation and amortization | 10,752 | 10,823 | 32,888 | 31,856
Selling, general, and administrative expense | 38,346 | 40,739 | 114,714 | 121,838
Asset impairments | 0 | 0 | 3,035 | 0
Litigation settlement, net | 0 | 0 | (21,933) | 0
Operating income | 69,227 | 46,252 | 180,834 | 146,954
Interest expense | (4,885) | (6,148) | (15,237) | (20,135)
Other income (expense), net | 522 | 533 | 3,634 | 823
Income before income taxes | 64,864 | 40,637 | 169,231 | 127,642
Operating Segments [Member] |  |  |  |
Summary of segment information [Abstract] |  |  |  |
Net sales | 625,849 | 617,298 | 1,744,102 | 1,904,164
Operating Segments [Member] | Piping Systems [Member] |  |  |  |
Summary of segment information [Abstract] |  |  |  |
Net sales | 409,414 | 390,917 | 1,128,467 | 1,193,274
Cost of goods sold | 339,904 | 330,418 | 931,339 | 1,019,546
Depreciation and amortization | 5,362 | 5,751 | 16,517 | 16,953
Selling, general, and administrative expense | 19,285 | 18,738 | 54,963 | 56,620
Asset impairments |  |  | 3,035 |
Litigation settlement, net |  |  | 0 |
Operating income | 44,863 | 36,010 | 122,613 | 100,155
Operating Segments [Member] | Industrial Metals [Member] |  |  |  |
Summary of segment information [Abstract] |  |  |  |
Net sales | 118,831 | 135,443 | 338,652 | 434,037
Cost of goods sold | 95,717 | 117,893 | 285,788 | 372,542
Depreciation and amortization | 1,774 | 1,836 | 5,771 | 5,518
Selling, general, and administrative expense | 2,992 | 3,115 | 8,690 | 9,280
Asset impairments |  |  | 0 |
Litigation settlement, net |  |  | 0 |
Operating income | 18,348 | 12,599 | 38,403 | 46,697
Operating Segments [Member] | Climate [Member] |  |  |  |
Summary of segment information [Abstract] |  |  |  |
Net sales | 97,604 | 90,938 | 276,983 | 276,853
Cost of goods sold | 70,450 | 70,523 | 206,083 | 212,201
Depreciation and amortization | 2,547 | 2,491 | 7,770 | 6,932
Selling, general, and administrative expense | 6,451 | 9,961 | 19,607 | 24,336
Asset impairments |  |  | 0 |
Litigation settlement, net |  |  | 0 |
Operating income | 18,156 | 7,963 | 43,523 | 33,384
Corporate and Eliminations [Member] |  |  |  |
Summary of segment information [Abstract] |  |  |  |
Net sales | (6,744) | (8,696) | (21,910) | (17,387)
Cost of goods sold | (5,291) | (8,046) | (10,556) | (18,160)
Depreciation and amortization | 1,069 | 745 | 2,830 | 2,453
Selling, general, and administrative expense | 9,618 | 8,925 | 31,454 | 31,602
Asset impairments |  |  | 0 |
Litigation settlement, net |  |  | (21,933) |
Operating income | $ (12,140) | $ (10,320) | $ (23,705) | $ (33,282)

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