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v3.25.0.1

Segment Information - Schedule of Segment Information (Details) - USD ($) $ in Thousands | 3 Months Ended | 12 Months Ended
--- | --- | ---
Dec. 28, 2024 | Sep. 28, 2024 | Jun. 29, 2024 | Mar. 30, 2024 | Dec. 30, 2023 | Sep. 30, 2023 | Jul. 01, 2023 | Apr. 01, 2023 | Dec. 28, 2024 | Dec. 30, 2023 | Dec. 31, 2022
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |
Net sales | $ 923,536 | $ 997,831 | $ 997,745 | $ 849,654 | $ 732,377 | $ 819,792 | $ 896,984 | $ 971,192 | $ 3,768,766 | $ 3,420,345 | $ 3,982,455
Corporate expenses |  |  |  |  |  |  |  |  | 770,389 | 756,053 | 877,149
Interest expense |  |  |  |  |  |  |  |  | (410) | (1,221) | (810)
Interest income |  |  |  |  |  |  |  |  | 53,468 | 38,208 | 6,457
Realized and unrealized gains on short-term investments |  |  |  |  |  |  |  |  | 914 | 41,865 | 2,918
Environmental expense |  |  |  |  |  |  |  |  | (2,218) | (825) | (1,298)
Gain on extinguishment of NMTC liability |  |  |  |  |  |  |  |  | 1,265 | 7,534 | 0
Pension plan termination expense |  |  |  |  |  |  |  |  | 0 | 0 | (13,100)
Other (expense) income, net |  |  |  |  |  |  |  |  | (2,946) | 3,618 | 4,715
Income before income taxes |  |  |  |  |  |  |  |  | 820,462 | 845,232 | 876,031
Piping Systems |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |
Net sales |  |  |  |  |  |  |  |  | 2,477,729 | 2,355,516 | 2,706,065
Industrial Metals |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |
Net sales |  |  |  |  |  |  |  |  | 803,277 | 564,115 | 627,270
Climate |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |
Net sales |  |  |  |  |  |  |  |  | 487,760 | 500,714 | 649,120
Operating Segments |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |
Net sales |  |  |  |  |  |  |  |  | 3,820,981 | 3,461,238 | 4,025,080
Manufacturing costs |  |  |  |  |  |  |  |  | 2,811,866 | 2,508,994 | 2,936,253
Sales and marketing expense |  |  |  |  |  |  |  |  | 45,134 | 42,942 | 45,781
Distribution expense |  |  |  |  |  |  |  |  | 43,482 | 41,386 | 40,827
Other segment items |  |  |  |  |  |  |  |  | 64,434 | 50,434 | 60,626
Segment operating income |  |  |  |  |  |  |  |  | 856,065 | 817,482 | 941,593
Operating Segments | Piping Systems |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |
Net sales |  |  |  |  |  |  |  |  | 2,514,096 | 2,382,573 | 2,730,084
Manufacturing costs |  |  |  |  |  |  |  |  | 1,797,203 | 1,703,161 | 1,960,977
Sales and marketing expense |  |  |  |  |  |  |  |  | 27,605 | 26,549 | 24,292
Distribution expense |  |  |  |  |  |  |  |  | 39,108 | 36,645 | 35,772
Other segment items |  |  |  |  |  |  |  |  | 32,729 | 46,979 | 37,981
Segment operating income |  |  |  |  |  |  |  |  | 617,451 | 569,239 | 671,062
Operating Segments | Industrial Metals |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |
Net sales |  |  |  |  |  |  |  |  | 818,439 | 577,875 | 644,689
Manufacturing costs |  |  |  |  |  |  |  |  | 697,400 | 487,245 | 550,040
Sales and marketing expense |  |  |  |  |  |  |  |  | 3,822 | 2,412 | 2,358
Distribution expense |  |  |  |  |  |  |  |  | 2,237 | 2,331 | 2,368
Other segment items |  |  |  |  |  |  |  |  | 22,420 | 9,508 | 7,459
Segment operating income |  |  |  |  |  |  |  |  | 92,560 | 76,379 | 82,464
Operating Segments | Climate |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |
Net sales |  |  |  |  |  |  |  |  | 488,446 | 500,790 | 650,307
Manufacturing costs |  |  |  |  |  |  |  |  | 317,263 | 318,588 | 425,236
Sales and marketing expense |  |  |  |  |  |  |  |  | 13,707 | 13,981 | 19,131
Distribution expense |  |  |  |  |  |  |  |  | 2,137 | 2,410 | 2,687
Other segment items |  |  |  |  |  |  |  |  | 9,285 | (6,053) | 15,186
Segment operating income |  |  |  |  |  |  |  |  | 146,054 | 171,864 | 188,067
Intersegment sales |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |
Net sales |  |  |  |  |  |  |  |  | (52,215) | (40,893) | (42,625)
Intersegment sales | Piping Systems |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |
Net sales |  |  |  |  |  |  |  |  | (36,367) | (27,057) | (24,019)
Intersegment sales | Industrial Metals |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |
Net sales |  |  |  |  |  |  |  |  | (15,162) | (13,760) | (17,419)
Intersegment sales | Climate |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |
Net sales |  |  |  |  |  |  |  |  | (686) | (76) | (1,187)
Corporate expenses |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |
Corporate expenses |  |  |  |  |  |  |  |  | (85,676) | (61,429) | (64,444)
Segment Reporting, Reconciling Item, Excluding Corporate Nonsegment |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |
Interest expense |  |  |  |  |  |  |  |  | (410) | (1,221) | (810)
Interest income |  |  |  |  |  |  |  |  | 53,468 | 38,208 | 6,457
Realized and unrealized gains on short-term investments |  |  |  |  |  |  |  |  | 914 | 41,865 | 2,918
Environmental expense |  |  |  |  |  |  |  |  | (2,218) | (825) | 1,298
Gain on extinguishment of NMTC liability |  |  |  |  |  |  |  |  | 1,265 | 7,534 | 4,715
Pension plan termination expense |  |  |  |  |  |  |  |  |  |  | $ (13,100)
Other (expense) income, net |  |  |  |  |  |  |  |  | $ (2,946) | $ 3,618 |

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