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Pay vs Performance Disclosure | 12 Months Ended |  |  |
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Dec. 28, 2024 USD ($) $ / shares | Dec. 30, 2023 USD ($) $ / shares | Dec. 31, 2022 USD ($) | Dec. 25, 2021 USD ($) | Dec. 26, 2020 USD ($) | Dec. 31, 2023 $ / shares | Jan. 01, 2023 $ / shares | Dec. 28, 2019 USD ($)
Pay vs Performance Disclosure |  |  |  |  |  |  |  |
Pay vs Performance Disclosure, Table | PAY VERSUS PERFORMANCE We are providing the following information about the relationship of the “compensation actually paid” to our chief executive officers (“CEOs”) and “average compensation actually paid” to our other named executive officers (“Non-CEO NEOs”), as calculated under the SEC pay versus performance proxy rule, for our fiscal years presented below and to certain financial performance measures. PAY VERSUS PERFORMANCE TABLE
​ | Year | ​ | ​ | Summary Compensation Table Total for CEO (current) ($)(1) | ​ | ​ | Compensation Actually Paid to CEO (current) ($)(1)(2) | ​ | ​ | Summary Compensation Table Total for CEO (former) ($)(1) | ​ | ​ | Compensation Actually Paid to CEO (former) ($)(1)(2) | ​ | ​ | Average Summary Compensation Table Total for Non-CEO NEOs ($)(1) | ​ | ​ | Average Compensation Actually Paid to Non-CEO NEOs ($)(3) | ​ | ​ | Value of Initial Fixed $100 Investment Based On: | ​ | ​ | Net Income (GAAP) (in millions) ($) | ​ | ​ | Adjusted ROIC (%)(5) | ​
​ | Company TSR ($) | ​ | ​ | Peer Group Index TSR ($)(4) | ​
​ | 2024 | ​ | ​ | ​ | ​ | 7,639,710 | ​ | ​ | ​ | ​ | ​ | 13,430,167 | ​ | ​ | ​ | ​ | ​ | — | ​ | ​ | ​ | ​ | ​ | — | ​ | ​ | ​ | ​ | ​ | 1,976,754 | ​ | ​ | ​ | ​ | ​ | 2,578,594 | ​ | ​ | ​ | ​ | ​ | 214.41 | ​ | ​ | ​ | ​ | ​ | 174.11 | ​ | ​ | ​ | ​ | ​ | 350,624 | ​ | ​ | ​ | ​ | ​ | 16.4 | ​ | ​
​ | 2023 | ​ | ​ | ​ | ​ | 5,956,400 | ​ | ​ | ​ | ​ | ​ | 4,305,592 | ​ | ​ | ​ | ​ | ​ | 6,280,307 | ​ | ​ | ​ | ​ | ​ | (-5,362,357) | ​ | ​ | ​ | ​ | ​ | 2,572,221 | ​ | ​ | ​ | ​ | ​ | 1,409,666 | ​ | ​ | ​ | ​ | ​ | 161.88 | ​ | ​ | ​ | ​ | ​ | 159.52 | ​ | ​ | ​ | ​ | ​ | 144,912 | ​ | ​ | ​ | ​ | ​ | 14.0 | ​ | ​
​ | 2022 | ​ | ​ | ​ | ​ | n/a | ​ | ​ | ​ | ​ | ​ | n/a | ​ | ​ | ​ | ​ | ​ | 8,674,260 | ​ | ​ | ​ | ​ | ​ | 21,710,433 | ​ | ​ | ​ | ​ | ​ | 2,258,298 | ​ | ​ | ​ | ​ | ​ | 4,865,986 | ​ | ​ | ​ | ​ | ​ | 227.19 | ​ | ​ | ​ | ​ | ​ | 116.64 | ​ | ​ | ​ | ​ | ​ | 254,251 | ​ | ​ | ​ | ​ | ​ | 13.3 | ​ | ​
​ | 2021 | ​ | ​ | ​ | ​ | n/a | ​ | ​ | ​ | ​ | ​ | n/a | ​ | ​ | ​ | ​ | ​ | 7,337,975 | ​ | ​ | ​ | ​ | ​ | 16,362,423 | ​ | ​ | ​ | ​ | ​ | 1,944,076 | ​ | ​ | ​ | ​ | ​ | 3,485,985 | ​ | ​ | ​ | ​ | ​ | 166.76 | ​ | ​ | ​ | ​ | ​ | 133.14 | ​ | ​ | ​ | ​ | ​ | 197,725 | ​ | ​ | ​ | ​ | ​ | 11.7 | ​ | ​
​ | 2020 | ​ | ​ | ​ | ​ | n/a | ​ | ​ | ​ | ​ | ​ | n/a | ​ | ​ | ​ | ​ | ​ | 6,432,086 | ​ | ​ | ​ | ​ | ​ | 9,973,234 | ​ | ​ | ​ | ​ | ​ | 1,634,815 | ​ | ​ | ​ | ​ | ​ | 2,003,714 | ​ | ​ | ​ | ​ | ​ | 116.22 | ​ | ​ | ​ | ​ | ​ | 116.87 | ​ | ​ | ​ | ​ | ​ | 142,149 | ​ | ​ | ​ | ​ | ​ | 8.7 | ​ | ​
​ (1) Mr. Applbaum was CEO in 2024 and 2023 (beginning July 11). Stephen G. Kaniewski was CEO in 2023 (until July 11), 2022, 2021 and 2020. Ms. Larkin and Messers. Liguori, Francis, Donahue, Massey and Schapper were Non-CEO NEOs in 2024. Mr. Francis was a Non-CEO NEO in 2023. Ms. Larkin and Messers. Schapper and Parnell were Non-CEO NEOs in 2023, 2022 and 2021. Ms. Larkin and Messers. Applbaum, Schapper, Laterreur, and Jaksich (CFO until March 30, 2020) were Non-CEO NEOs in 2020. Average compensation for Non-CEO NEOs is based on the compensation of the NEOs for the relevant period. ​ (2) The Summary Compensation Table (“SCT”) Total amount for CEO for 2024 was adjusted as set forth below to compute the compensation actually paid. The FY 2024 increases in value reflect the increases in value of options and RSUs during the fiscal year. Valmont’s stock price on the first day of fiscal 2023 was $330.30 and on the last day of fiscal 2023 was $233.51. Valmont’s stock price on the first day of fiscal 2024 was $234.52 and on the last day of fiscal 2024 was $306.54. ​
​ | ​ | ​ | ​ | Deduction of the Amounts of Equity Awards Reported in SCT for Fiscal Year | ​ | ​ | Addition of Fair Value of Outstanding and Unvested Equity Awards Granted During the Fiscal Year as of the End of the Fiscal Year ($) | ​ | ​ | Change in Fair Value From Prior Fiscal Year of Outstanding and Unvested Equity Awards Granted in Any Prior Fiscal Year as of the End of the Fiscal Year ($) | ​ | ​ | Change in Fair Value as of the Vesting Date from the Prior Fiscal Year of Equity Awards Vesting in the Fiscal Year ($) | ​ | ​ | Fair Value of Equity Awards as of the Prior Fiscal Year of Awards that Failed Vesting Conditions in Fiscal Year ($) | ​
​ | Fiscal Year | ​ | ​ | Stock Awards ($) | ​ | ​ | Options ($) | ​
​ | 2024 | ​ | ​ | ​ | ​ | 3,357,179 | ​ | ​ | ​ | ​ | ​ | 1,283,259 | ​ | ​ | ​ | ​ | ​ | 7,504,388 | ​ | ​ | ​ | ​ | ​ | 1,815,123 | ​ | ​ | ​ | ​ | ​ | 1,111,384 | ​ | ​ | ​ | ​ | ​ | 0 | ​ | ​
​ (3) The Average SCT Total amounts for the Non-CEO NEOs were adjusted to compute the compensation actually paid as follows: ​
​ | ​ | ​ | ​ | Deduction of the Amounts of Equity Awards Reported in SCT for Fiscal Year | ​ | ​ | Addition of Fair Value of Outstanding and Unvested Equity Awards Granted During the Fiscal Year as of the End of the Fiscal Year ($) | ​ | ​ | Change in Fair Value From Prior Fiscal Year of Outstanding and Unvested Equity Awards Granted in Any Prior Fiscal Year as of the End of the Fiscal Year ($) | ​ | ​ | Change in Fair Value as of the Vesting Date from the Prior Fiscal Year of Equity Awards Vesting in the Fiscal Year ($) | ​ | ​ | Fair Value of Equity Awards as of the Prior Fiscal Year of Awards that Failed Vesting Conditions in Fiscal Year ($) | ​
​ | Fiscal Year | ​ | ​ | Stock Awards ($) | ​ | ​ | Options ($) | ​
​ | 2024 | ​ | ​ | ​ | ​ | 653,749 | ​ | ​ | ​ | ​ | ​ | 137,216 | ​ | ​ | ​ | ​ | ​ | 1,099,331 | ​ | ​ | ​ | ​ | ​ | 203,154 | ​ | ​ | ​ | ​ | ​ | 413,124 | ​ | ​ | ​ | ​ | ​ | 322,804 | ​ | ​
​ (4) S&P 400 Industrial Machinery Index. ​ (5) Valmont selected adjusted return on invested capital (“adjusted ROIC”) as a company specific financial measure that links financial results and performance. A significant portion of an executives long-term performance award is based on adjusted ROIC. ROIC and adjusted ROIC are non-GAAP financial measures. ROIC and adjusted ROIC are calculated from the Company’s audited financial statements as follows: ​
​ | Dollars in Thousands | ​ | ​ | 2024 | ​ | ​ | 2023 | ​ | ​ | 2022 | ​ | ​ | 2021 | ​ | ​ | 2020 | ​
​ | Operating Income | ​ | ​ | ​ | $ | 524,584 | ​ | ​ | ​ | ​ | $ | 291,557 | ​ | ​ | ​ | ​ | $ | 433,249 | ​ | ​ | ​ | ​ | $ | 286,785 | ​ | ​ | ​ | ​ | $ | 225,953 | ​ | ​
​ | Adjusted effective tax rate | ​ | ​ | ​ | ​ | 25.2% | ​ | ​ | ​ | ​ | ​ | 38.1% | ​ | ​ | ​ | ​ | ​ | 27.7% | ​ | ​ | ​ | ​ | ​ | 23.6% | ​ | ​ | ​ | ​ | ​ | 24.2% | ​ | ​
​ | Tax effect on operating income | ​ | ​ | ​ | ​ | (132,050) | ​ | ​ | ​ | ​ | ​ | (111,124) | ​ | ​ | ​ | ​ | ​ | (119,872) | ​ | ​ | ​ | ​ | ​ | (67,681) | ​ | ​ | ​ | ​ | ​ | (54,681) | ​ | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | After-tax operating income | ​ | ​ | ​ | $ | 392,534 | ​ | ​ | ​ | ​ | $ | 180,433 | ​ | ​ | ​ | ​ | $ | 313,317 | ​ | ​ | ​ | ​ | $ | 219,104 | ​ | ​ | ​ | ​ | $ | 171,272 | ​ | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | Average invested capital | ​ | ​ | ​ | $ | 2,396,436 | ​ | ​ | ​ | ​ | $ | 2,504,474 | ​ | ​ | ​ | ​ | $ | 2,437,232 | ​ | ​ | ​ | ​ | $ | 2,176,577 | ​ | ​ | ​ | ​ | $ | 1,975,693 | ​ | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | Return on invested capital | ​ | ​ | ​ | ​ | 16.4% | ​ | ​ | ​ | ​ | ​ | 7.2% | ​ | ​ | ​ | ​ | ​ | 12.9% | ​ | ​ | ​ | ​ | ​ | 10.1% | ​ | ​ | ​ | ​ | ​ | 8.7% | ​ | ​
​ | Operating income | ​ | ​ | ​ | $ | 524,584 | ​ | ​ | ​ | ​ | $ | 291,557 | ​ | ​ | ​ | ​ | ​ | 433,249 | ​ | ​ | ​ | ​ | ​ | 286,785 | ​ | ​ | ​ | ​ | ​ | — | ​ | ​
​ | Impairment of long-lived assets | ​ | ​ | ​ | ​ | — | ​ | ​ | ​ | ​ | ​ | 140,844 | ​ | ​ | ​ | ​ | ​ | — | ​ | ​ | ​ | ​ | ​ | 27,911 | ​ | ​ | ​ | ​ | ​ | — | ​ | ​
​ | Realignment charges | ​ | ​ | ​ | ​ | — | ​ | ​ | ​ | ​ | ​ | 35,210 | ​ | ​ | ​ | ​ | ​ | — | ​ | ​ | ​ | ​ | ​ | 4,052 | ​ | ​ | ​ | ​ | ​ | — | ​ | ​
​ | Other non-recurring charges | ​ | ​ | ​ | ​ | — | ​ | ​ | ​ | ​ | ​ | 5,626 | ​ | ​ | ​ | ​ | ​ | — | ​ | ​ | ​ | ​ | ​ | — | ​ | ​ | ​ | ​ | ​ | — | ​ | ​
​ | Prospera intangible asset amortization | ​ | ​ | ​ | ​ | — | ​ | ​ | ​ | ​ | ​ | — | ​ | ​ | ​ | ​ | ​ | 6,580 | ​ | ​ | ​ | ​ | ​ | 3,396 | ​ | ​ | ​ | ​ | ​ | — | ​ | ​
​ | Prospera stock-based compensation | ​ | ​ | ​ | ​ | — | ​ | ​ | ​ | ​ | ​ | — | ​ | ​ | ​ | ​ | ​ | 9,896 | ​ | ​ | ​ | ​ | ​ | 5,240 | ​ | ​ | ​ | ​ | ​ | — | ​ | ​
​ | Write-off of a receivable | ​ | ​ | ​ | ​ | — | ​ | ​ | ​ | ​ | ​ | — | ​ | ​ | ​ | ​ | ​ | — | ​ | ​ | ​ | ​ | ​ | 5,545 | ​ | ​ | ​ | ​ | ​ | — | ​ | ​
​ | Acquisition diligence | ​ | ​ | ​ | ​ | — | ​ | ​ | ​ | ​ | ​ | — | ​ | ​ | ​ | ​ | ​ | — | ​ | ​ | ​ | ​ | ​ | 1,120 | ​ | ​ | ​ | ​ | ​ | — | ​ | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | Adjusted operating income | ​ | ​ | ​ | $ | 524,584 | ​ | ​ | ​ | ​ | $ | 473,237 | ​ | ​ | ​ | ​ | $ | 449,725 | ​ | ​ | ​ | ​ | $ | 334,049 | ​ | ​ | ​ | ​ | $ | 225,953 | ​ | ​
​ | Adjusted effective tax rate | ​ | ​ | ​ | ​ | 25.2% | ​ | ​ | ​ | ​ | ​ | 25.9% | ​ | ​ | ​ | ​ | ​ | 27.7% | ​ | ​ | ​ | ​ | ​ | 23.6% | ​ | ​ | ​ | ​ | ​ | 24.2% | ​ | ​
​ | Tax effect on adjusted operating income | ​ | ​ | ​ | ​ | (132,050) | ​ | ​ | ​ | ​ | ​ | (122,665) | ​ | ​ | ​ | ​ | ​ | (124,431) | ​ | ​ | ​ | ​ | ​ | (78,836) | ​ | ​ | ​ | ​ | ​ | (54,681) | ​ | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | After-tax adjusted operating income | ​ | ​ | ​ | $ | 392,534 | ​ | ​ | ​ | ​ | $ | 350,572 | ​ | ​ | ​ | ​ | $ | 325,294 | ​ | ​ | ​ | ​ | $ | 255,213 | ​ | ​ | ​ | ​ | $ | 171,272 | ​ | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | Average invested capital | ​ | ​ | ​ | $ | 2,396,436 | ​ | ​ | ​ | ​ | $ | 2,504,474 | ​ | ​ | ​ | ​ | $ | 2,437,232 | ​ | ​ | ​ | ​ | $ | 2,176,577 | ​ | ​ | ​ | ​ | $ | 1,975,693 | ​ | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | Adjusted return on invested capital | ​ | ​ | ​ | ​ | 16.4% | ​ | ​ | ​ | ​ | ​ | 14.0% | ​ | ​ | ​ | ​ | ​ | 13.3% | ​ | ​ | ​ | ​ | ​ | 11.7% | ​ | ​ | ​ | ​ | ​ | 8.7% | ​ | ​
​ | Total Assets | ​ | ​ | ​ | $ | 3,329,972 | ​ | ​ | ​ | ​ | $ | 3,477,448 | ​ | ​ | ​ | ​ | $ | 3,556,996 | ​ | ​ | ​ | ​ | $ | 3,447,249 | ​ | ​ | ​ | ​ | $ | 2,953,160 | ​ | ​
​ | Less: Defined benefit pension asset | ​ | ​ | ​ | ​ | (46,520) | ​ | ​ | ​ | ​ | ​ | (15,404) | ​ | ​ | ​ | ​ | ​ | (24,216) | ​ | ​ | ​ | ​ | ​ | — | ​ | ​ | ​ | ​ | ​ | — | ​ | ​
​ | Less: Accounts payable | ​ | ​ | ​ | ​ | (372,197) | ​ | ​ | ​ | ​ | ​ | (358,311) | ​ | ​ | ​ | ​ | ​ | (360,312) | ​ | ​ | ​ | ​ | ​ | (347,841) | ​ | ​ | ​ | ​ | ​ | (268,099) | ​ | ​
​ | Less: Accrued expenses | ​ | ​ | ​ | ​ | (275,407) | ​ | ​ | ​ | ​ | ​ | (277,764) | ​ | ​ | ​ | ​ | ​ | (248,320) | ​ | ​ | ​ | ​ | ​ | (253,330) | ​ | ​ | ​ | ​ | ​ | (227,735) | ​ | ​
​ | Less: Contract liabilities | ​ | ​ | ​ | ​ | (126,932) | ​ | ​ | ​ | ​ | ​ | (70,978) | ​ | ​ | ​ | ​ | ​ | (172,915) | ​ | ​ | ​ | ​ | ​ | (135,746) | ​ | ​ | ​ | ​ | ​ | (130,018) | ​ | ​
​ | Less: Income Tax payable | ​ | ​ | ​ | ​ | (22,509) | ​ | ​ | ​ | ​ | ​ | — | ​ | ​ | ​ | ​ | ​ | (3,664) | ​ | ​ | ​ | ​ | ​ | — | ​ | ​ | ​ | ​ | ​ | — | ​ | ​
​ | Less: Dividends payable | ​ | ​ | ​ | ​ | (12,019) | ​ | ​ | ​ | ​ | ​ | (12,125) | ​ | ​ | ​ | ​ | ​ | (11,742) | ​ | ​ | ​ | ​ | ​ | (10,616) | ​ | ​ | ​ | ​ | ​ | (9,556) | ​ | ​
​ | Less: Deferred income taxes | ​ | ​ | ​ | ​ | (6,344) | ​ | ​ | ​ | ​ | ​ | (21,205) | ​ | ​ | ​ | ​ | ​ | (41,091) | ​ | ​ | ​ | ​ | ​ | (47,849) | ​ | ​ | ​ | ​ | ​ | (41,689) | ​ | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | Less: Operating lease liabilities | ​ | ​ | ​ | ​ | (134,534) | ​ | ​ | ​ | ​ | ​ | (162,743) | ​ | ​ | ​ | ​ | ​ | (155,469) | ​ | ​ | ​ | ​ | ​ | (147,759) | ​ | ​ | ​ | ​ | ​ | (80,202) | ​ | ​
​ | Less: Deferred compensation | ​ | ​ | ​ | ​ | (33,302) | ​ | ​ | ​ | ​ | ​ | (32,623) | ​ | ​ | ​ | ​ | ​ | (30,316) | ​ | ​ | ​ | ​ | ​ | (35,373) | ​ | ​ | ​ | ​ | ​ | (44,519) | ​ | ​
​ | Less: Defined benefit pension liability | ​ | ​ | ​ | ​ | — | ​ | ​ | ​ | ​ | ​ | — | ​ | ​ | ​ | ​ | ​ | — | ​ | ​ | ​ | ​ | ​ | (536) | ​ | ​ | ​ | ​ | ​ | (118,523) | ​ | ​
​ | Less: Other non-current liabilities | ​ | ​ | ​ | ​ | (20,813) | ​ | ​ | ​ | ​ | ​ | (12,818) | ​ | ​ | ​ | ​ | ​ | (13,480) | ​ | ​ | ​ | ​ | ​ | (89,207) | ​ | ​ | ​ | ​ | ​ | (58,687) | ​ | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | Total invested capital | ​ | ​ | ​ | $ | 2,279,395 | ​ | ​ | ​ | ​ | $ | 2,513,477 | ​ | ​ | ​ | ​ | $ | 2,495,471 | ​ | ​ | ​ | ​ | $ | 2,378,992 | ​ | ​ | ​ | ​ | $ | 1,974,162 | ​ | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | Beginning invested capital | ​ | ​ | ​ | $ | 2,513,477 | ​ | ​ | ​ | ​ | $ | 2,495,471 | ​ | ​ | ​ | ​ | $ | 2,378,992 | ​ | ​ | ​ | ​ | $ | 1,974,162 | ​ | ​ | ​ | ​ | $ | 1,977,223 | ​ | ​
​ | Average invested capital | ​ | ​ | ​ | $ | 2,396,436 | ​ | ​ | ​ | ​ | $ | 2,504,474 | ​ | ​ | ​ | ​ | $ | 2,437,232 | ​ | ​ | ​ | ​ | $ | 2,176,577 | ​ | ​ | ​ | ​ | $ | 1,975,693 | ​ | ​
​ | ​ | ​
The adjusted effective tax rate for fiscal 2023 excluded the effects of the impairment of long-lived assets of $140.8 million, realignment charges of $35.2 million, non-recurring charges associated with major scope changes for two strategic projects initiated by departed senior leadership of $5.6 million, loss from Argentine peso hyperinflation of $5.1 million, and non-recurring tax benefit items of $3.6 million. The effective tax rate including these items was 38.1%. The adjusted effective tax rate for fiscal 2022 excluded the effects of the $33.3 million loss from the divestiture of the offshore wind energy structure business which is not deductible for income tax purposes. The effective rate including the loss on the divestiture is 29.9%. The adjusted effective tax rates for fiscal 2020 excluded the effects of the $12.575 million goodwill impairments which are not deductible for income tax purposes. The effective tax rate in 2020 including the impairments is 25.7%. |  |  |  |  |  |  |
Company Selected Measure Name | Adjusted ROIC |  |  |  |  |  |  |
Named Executive Officers, Footnote | (1) Mr. Applbaum was CEO in 2024 and 2023 (beginning July 11). Stephen G. Kaniewski was CEO in 2023 (until July 11), 2022, 2021 and 2020. Ms. Larkin and Messers. Liguori, Francis, Donahue, Massey and Schapper were Non-CEO NEOs in 2024. Mr. Francis was a Non-CEO NEO in 2023. Ms. Larkin and Messers. Schapper and Parnell were Non-CEO NEOs in 2023, 2022 and 2021. Ms. Larkin and Messers. Applbaum, Schapper, Laterreur, and Jaksich (CFO until March 30, 2020) were Non-CEO NEOs in 2020. Average compensation for Non-CEO NEOs is based on the compensation of the NEOs for the relevant period. |  |  |  |  |  |  |
Peer Group Issuers, Footnote | (4) S&P 400 Industrial Machinery Index. |  |  |  |  |  |  |
Adjustment To PEO Compensation, Footnote | (2) The Summary Compensation Table (“SCT”) Total amount for CEO for 2024 was adjusted as set forth below to compute the compensation actually paid. The FY 2024 increases in value reflect the increases in value of options and RSUs during the fiscal year. Valmont’s stock price on the first day of fiscal 2023 was $330.30 and on the last day of fiscal 2023 was $233.51. Valmont’s stock price on the first day of fiscal 2024 was $234.52 and on the last day of fiscal 2024 was $306.54. ​
​ | ​ | ​ | ​ | Deduction of the Amounts of Equity Awards Reported in SCT for Fiscal Year | ​ | ​ | Addition of Fair Value of Outstanding and Unvested Equity Awards Granted During the Fiscal Year as of the End of the Fiscal Year ($) | ​ | ​ | Change in Fair Value From Prior Fiscal Year of Outstanding and Unvested Equity Awards Granted in Any Prior Fiscal Year as of the End of the Fiscal Year ($) | ​ | ​ | Change in Fair Value as of the Vesting Date from the Prior Fiscal Year of Equity Awards Vesting in the Fiscal Year ($) | ​ | ​ | Fair Value of Equity Awards as of the Prior Fiscal Year of Awards that Failed Vesting Conditions in Fiscal Year ($) | ​
​ | Fiscal Year | ​ | ​ | Stock Awards ($) | ​ | ​ | Options ($) | ​
​ | 2024 | ​ | ​ | ​ | ​ | 3,357,179 | ​ | ​ | ​ | ​ | ​ | 1,283,259 | ​ | ​ | ​ | ​ | ​ | 7,504,388 | ​ | ​ | ​ | ​ | ​ | 1,815,123 | ​ | ​ | ​ | ​ | ​ | 1,111,384 | ​ | ​ | ​ | ​ | ​ | 0 | ​ | ​
Non-PEO NEO Average Total Compensation Amount | $ 1,976,754 | $ 2,572,221 | $ 2,258,298 | $ 1,944,076 | $ 1,634,815 |  |  |
Non-PEO NEO Average Compensation Actually Paid Amount | $ 2,578,594 | 1,409,666 | 4,865,986 | 3,485,985 | 2,003,714 |  |  |
Adjustment to Non-PEO NEO Compensation Footnote | (3) The Average SCT Total amounts for the Non-CEO NEOs were adjusted to compute the compensation actually paid as follows:
​ | ​ | ​ | ​ | Deduction of the Amounts of Equity Awards Reported in SCT for Fiscal Year | ​ | ​ | Addition of Fair Value of Outstanding and Unvested Equity Awards Granted During the Fiscal Year as of the End of the Fiscal Year ($) | ​ | ​ | Change in Fair Value From Prior Fiscal Year of Outstanding and Unvested Equity Awards Granted in Any Prior Fiscal Year as of the End of the Fiscal Year ($) | ​ | ​ | Change in Fair Value as of the Vesting Date from the Prior Fiscal Year of Equity Awards Vesting in the Fiscal Year ($) | ​ | ​ | Fair Value of Equity Awards as of the Prior Fiscal Year of Awards that Failed Vesting Conditions in Fiscal Year ($) | ​
​ | Fiscal Year | ​ | ​ | Stock Awards ($) | ​ | ​ | Options ($) | ​
​ | 2024 | ​ | ​ | ​ | ​ | 653,749 | ​ | ​ | ​ | ​ | ​ | 137,216 | ​ | ​ | ​ | ​ | ​ | 1,099,331 | ​ | ​ | ​ | ​ | ​ | 203,154 | ​ | ​ | ​ | ​ | ​ | 413,124 | ​ | ​ | ​ | ​ | ​ | 322,804 | ​ | ​
Compensation Actually Paid vs. Total Shareholder Return |  |  |  |  |  |  |  |
Compensation Actually Paid vs. Net Income |  |  |  |  |  |  |  |
Compensation Actually Paid vs. Company Selected Measure |  |  |  |  |  |  |  |
Total Shareholder Return Vs Peer Group |  |  |  |  |  |  |  |
Tabular List, Table | MOST IMPORTANT FINANCIAL PERFORMANCE MEASURES FOR 2024 In our assessment, the three most important financial measures we use to link compensation actually paid to the CEO and Non-CEO NEOs to Company performance for fiscal 2024 are: ■ Adjusted ROIC ​ ■ Net earnings ​ ■ Cumulative compound operating income growth ​ |  |  |  |  |  |  |
Total Shareholder Return Amount | $ 214.41 | 161.88 | 227.19 | 166.76 | 116.22 |  |  |
Peer Group Total Shareholder Return Amount | 174.11 | 159.52 | 116.64 | 133.14 | 116.87 |  |  |
Net Income (Loss) | $ 350,624,000,000 | $ 144,912,000,000 | $ 254,251,000,000 | $ 197,725,000,000 | $ 142,149,000,000 |  |  |
Company Selected Measure Amount | 16.4 | 14 | 13.3 | 11.7 | 8.7 |  |  |
Share Price | $ / shares | $ 306.54 | $ 233.51 |  |  |  | $ 234.52 | $ 330.3 |
Operating Income (Loss) | $ 524,584,000 | $ 291,557,000 | $ 433,249,000 | $ 286,785,000 | $ 225,953,000 |  |  |
Effective Income Tax Rate Reconciliation, Percent | 25.20% | 38.10% | 27.70% | 23.60% | 24.20% |  |  |
Income Tax Expense (Benefit) | $ 132,050,000 | $ (111,124,000) | $ (119,872,000) | $ (67,681,000) | $ (54,681,000) |  |  |
Net Income (Loss) Available to Common Stockholders, Basic | 392,534,000 | 180,433,000 | 313,317,000 | 219,104,000 | 171,272,000 |  |  |
Average Investment Capital | $ 2,396,436,000 | $ 2,504,474,000 | $ 2,437,232,000 | $ 2,176,577,000 | $ 1,975,693,000 |  |  |
Percentage of Return on Invested Capital | 16.40% | 7.20% | 12.90% | 10.10% | 8.70% |  |  |
Impairment of Long-Lived Assets to be Disposed of |  | $ 140,844,000 |  | $ 27,911,000 |  |  |  |
Restructuring Charges |  | 35,210,000 |  | 4,052,000 |  |  |  |
Other Non-Recurring Charges |  | 5,626,000 |  |  |  |  |  |
Amortization of Intangible Assets |  |  | 6,580,000 | 3,396,000 |  |  |  |
Share-Based Payment Arrangement, Expense |  |  | 9,896,000 | 5,240,000 |  |  |  |
Write Off Of Receivable |  |  |  | 5,545,000 |  |  |  |
Acquisition Diligence Expense |  |  |  | 1,120,000 |  |  |  |
Adjusted Operating Income (Loss) | $ 524,584,000 | $ 473,237,000 | $ 449,725,000 | $ 334,049,000 | $ 225,953,000 |  |  |
Adjusted Effective Tax Rate Reconciliation, Percentage | 25.20% | 25.90% | 27.70% | 23.60% | 24.20% |  |  |
Tax Effect On Adjusted Operating Income (Loss) | $ 132,050,000 | $ (122,665,000) | $ (124,431,000) | $ (78,836,000) | $ (54,681,000) |  |  |
Adjusted Operating Income (Loss), After Tax | $ 392,534,000 | $ 350,572,000 | $ 325,294,000 | $ 255,213,000 | $ 171,272,000 |  |  |
Percentage Of Adjusted Return On Invested Capital | 16.40% | 14.00% | 13.30% | 11.70% | 8.70% |  |  |
Assets | $ 3,329,972,000 | $ 3,477,448,000 | $ 3,556,996,000 | $ 3,447,249,000 | $ 2,953,160,000 |  |  |
Defined Benefit Plan, Plan Assets, Amount | 46,520,000 | (15,404,000) | (24,216,000) |  |  |  |  |
Accounts Payable | 372,197,000 | 358,311,000 | 360,312,000 | 347,841,000 | 268,099,000 |  |  |
Accrued Liabilities | 275,407,000 | 277,764,000 | 248,320,000 | 253,330,000 | 227,735,000 |  |  |
Contract with Customer, Liability | 126,932,000 | 70,978,000 | 172,915,000 | 135,746,000 | 130,018,000 |  |  |
Taxes Payable | 22,509,000 |  | 3,664,000 |  |  |  |  |
Dividends Payable | 12,019,000 | 12,125,000 | 11,742,000 | 10,616,000 | 9,556,000 |  |  |
Deferred Tax Liabilities, Gross | 6,344,000 | 21,205,000 | 41,091,000 | 47,849,000 | 41,689,000 |  |  |
Operating Lease, Liability | 134,534,000 | 162,743,000 | 155,469,000 | 147,759,000 | 80,202,000 |  |  |
Deferred Compensation Liability, Current and Noncurrent | 33,302,000 | 32,623,000 | 30,316,000 | 35,373,000 | 44,519,000 |  |  |
Liability, Defined Benefit Pension Plan |  |  |  | 536,000 | 118,523,000 |  |  |
Other Liabilities, Noncurrent | 20,813,000 | 12,818,000 | 13,480,000 | 89,207,000 | 58,687,000 |  |  |
Investment Capital | $ 2,279,395,000 | 2,513,477,000 | 2,495,471,000 | 2,378,992,000 | 1,974,162,000 |  |  | $ 1,977,223,000
Loss From Currency Hyperinflation |  | 5,100,000 |  |  |  |  |  |
Non-Recurring Tax Benefit |  | 3,600,000 |  |  |  |  |  |
Loss from Divestiture |  |  | $ 33,300,000 |  |  |  |  |
Effective Rate Including Loss on Divestiture |  |  | 29.90% |  |  |  |  |
Goodwill, Impairment Loss |  |  |  |  | $ 12,575,000 |  |  |
Effective Income Tax Rate Including Impairment |  |  |  |  | 25.70% |  |  |
Measure:: 1 |  |  |  |  |  |  |  |
Pay vs Performance Disclosure |  |  |  |  |  |  |  |
Name | Adjusted ROIC |  |  |  |  |  |  |
Non-GAAP Measure Description | (5) Valmont selected adjusted return on invested capital (“adjusted ROIC”) as a company specific financial measure that links financial results and performance. A significant portion of an executives long-term performance award is based on adjusted ROIC. ROIC and adjusted ROIC are non-GAAP financial measures. ROIC and adjusted ROIC are calculated from the Company’s audited financial statements as follows:
​ | Dollars in Thousands | ​ | ​ | 2024 | ​ | ​ | 2023 | ​ | ​ | 2022 | ​ | ​ | 2021 | ​ | ​ | 2020 | ​
​ | Operating Income | ​ | ​ | ​ | $ | 524,584 | ​ | ​ | ​ | ​ | $ | 291,557 | ​ | ​ | ​ | ​ | $ | 433,249 | ​ | ​ | ​ | ​ | $ | 286,785 | ​ | ​ | ​ | ​ | $ | 225,953 | ​ | ​
​ | Adjusted effective tax rate | ​ | ​ | ​ | ​ | 25.2% | ​ | ​ | ​ | ​ | ​ | 38.1% | ​ | ​ | ​ | ​ | ​ | 27.7% | ​ | ​ | ​ | ​ | ​ | 23.6% | ​ | ​ | ​ | ​ | ​ | 24.2% | ​ | ​
​ | Tax effect on operating income | ​ | ​ | ​ | ​ | (132,050) | ​ | ​ | ​ | ​ | ​ | (111,124) | ​ | ​ | ​ | ​ | ​ | (119,872) | ​ | ​ | ​ | ​ | ​ | (67,681) | ​ | ​ | ​ | ​ | ​ | (54,681) | ​ | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | After-tax operating income | ​ | ​ | ​ | $ | 392,534 | ​ | ​ | ​ | ​ | $ | 180,433 | ​ | ​ | ​ | ​ | $ | 313,317 | ​ | ​ | ​ | ​ | $ | 219,104 | ​ | ​ | ​ | ​ | $ | 171,272 | ​ | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | Average invested capital | ​ | ​ | ​ | $ | 2,396,436 | ​ | ​ | ​ | ​ | $ | 2,504,474 | ​ | ​ | ​ | ​ | $ | 2,437,232 | ​ | ​ | ​ | ​ | $ | 2,176,577 | ​ | ​ | ​ | ​ | $ | 1,975,693 | ​ | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | Return on invested capital | ​ | ​ | ​ | ​ | 16.4% | ​ | ​ | ​ | ​ | ​ | 7.2% | ​ | ​ | ​ | ​ | ​ | 12.9% | ​ | ​ | ​ | ​ | ​ | 10.1% | ​ | ​ | ​ | ​ | ​ | 8.7% | ​ | ​
​ | Operating income | ​ | ​ | ​ | $ | 524,584 | ​ | ​ | ​ | ​ | $ | 291,557 | ​ | ​ | ​ | ​ | ​ | 433,249 | ​ | ​ | ​ | ​ | ​ | 286,785 | ​ | ​ | ​ | ​ | ​ | — | ​ | ​
​ | Impairment of long-lived assets | ​ | ​ | ​ | ​ | — | ​ | ​ | ​ | ​ | ​ | 140,844 | ​ | ​ | ​ | ​ | ​ | — | ​ | ​ | ​ | ​ | ​ | 27,911 | ​ | ​ | ​ | ​ | ​ | — | ​ | ​
​ | Realignment charges | ​ | ​ | ​ | ​ | — | ​ | ​ | ​ | ​ | ​ | 35,210 | ​ | ​ | ​ | ​ | ​ | — | ​ | ​ | ​ | ​ | ​ | 4,052 | ​ | ​ | ​ | ​ | ​ | — | ​ | ​
​ | Other non-recurring charges | ​ | ​ | ​ | ​ | — | ​ | ​ | ​ | ​ | ​ | 5,626 | ​ | ​ | ​ | ​ | ​ | — | ​ | ​ | ​ | ​ | ​ | — | ​ | ​ | ​ | ​ | ​ | — | ​ | ​
​ | Prospera intangible asset amortization | ​ | ​ | ​ | ​ | — | ​ | ​ | ​ | ​ | ​ | — | ​ | ​ | ​ | ​ | ​ | 6,580 | ​ | ​ | ​ | ​ | ​ | 3,396 | ​ | ​ | ​ | ​ | ​ | — | ​ | ​
​ | Prospera stock-based compensation | ​ | ​ | ​ | ​ | — | ​ | ​ | ​ | ​ | ​ | — | ​ | ​ | ​ | ​ | ​ | 9,896 | ​ | ​ | ​ | ​ | ​ | 5,240 | ​ | ​ | ​ | ​ | ​ | — | ​ | ​
​ | Write-off of a receivable | ​ | ​ | ​ | ​ | — | ​ | ​ | ​ | ​ | ​ | — | ​ | ​ | ​ | ​ | ​ | — | ​ | ​ | ​ | ​ | ​ | 5,545 | ​ | ​ | ​ | ​ | ​ | — | ​ | ​
​ | Acquisition diligence | ​ | ​ | ​ | ​ | — | ​ | ​ | ​ | ​ | ​ | — | ​ | ​ | ​ | ​ | ​ | — | ​ | ​ | ​ | ​ | ​ | 1,120 | ​ | ​ | ​ | ​ | ​ | — | ​ | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | Adjusted operating income | ​ | ​ | ​ | $ | 524,584 | ​ | ​ | ​ | ​ | $ | 473,237 | ​ | ​ | ​ | ​ | $ | 449,725 | ​ | ​ | ​ | ​ | $ | 334,049 | ​ | ​ | ​ | ​ | $ | 225,953 | ​ | ​
​ | Adjusted effective tax rate | ​ | ​ | ​ | ​ | 25.2% | ​ | ​ | ​ | ​ | ​ | 25.9% | ​ | ​ | ​ | ​ | ​ | 27.7% | ​ | ​ | ​ | ​ | ​ | 23.6% | ​ | ​ | ​ | ​ | ​ | 24.2% | ​ | ​
​ | Tax effect on adjusted operating income | ​ | ​ | ​ | ​ | (132,050) | ​ | ​ | ​ | ​ | ​ | (122,665) | ​ | ​ | ​ | ​ | ​ | (124,431) | ​ | ​ | ​ | ​ | ​ | (78,836) | ​ | ​ | ​ | ​ | ​ | (54,681) | ​ | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | After-tax adjusted operating income | ​ | ​ | ​ | $ | 392,534 | ​ | ​ | ​ | ​ | $ | 350,572 | ​ | ​ | ​ | ​ | $ | 325,294 | ​ | ​ | ​ | ​ | $ | 255,213 | ​ | ​ | ​ | ​ | $ | 171,272 | ​ | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | Average invested capital | ​ | ​ | ​ | $ | 2,396,436 | ​ | ​ | ​ | ​ | $ | 2,504,474 | ​ | ​ | ​ | ​ | $ | 2,437,232 | ​ | ​ | ​ | ​ | $ | 2,176,577 | ​ | ​ | ​ | ​ | $ | 1,975,693 | ​ | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | Adjusted return on invested capital | ​ | ​ | ​ | ​ | 16.4% | ​ | ​ | ​ | ​ | ​ | 14.0% | ​ | ​ | ​ | ​ | ​ | 13.3% | ​ | ​ | ​ | ​ | ​ | 11.7% | ​ | ​ | ​ | ​ | ​ | 8.7% | ​ | ​
​ | Total Assets | ​ | ​ | ​ | $ | 3,329,972 | ​ | ​ | ​ | ​ | $ | 3,477,448 | ​ | ​ | ​ | ​ | $ | 3,556,996 | ​ | ​ | ​ | ​ | $ | 3,447,249 | ​ | ​ | ​ | ​ | $ | 2,953,160 | ​ | ​
​ | Less: Defined benefit pension asset | ​ | ​ | ​ | ​ | (46,520) | ​ | ​ | ​ | ​ | ​ | (15,404) | ​ | ​ | ​ | ​ | ​ | (24,216) | ​ | ​ | ​ | ​ | ​ | — | ​ | ​ | ​ | ​ | ​ | — | ​ | ​
​ | Less: Accounts payable | ​ | ​ | ​ | ​ | (372,197) | ​ | ​ | ​ | ​ | ​ | (358,311) | ​ | ​ | ​ | ​ | ​ | (360,312) | ​ | ​ | ​ | ​ | ​ | (347,841) | ​ | ​ | ​ | ​ | ​ | (268,099) | ​ | ​
​ | Less: Accrued expenses | ​ | ​ | ​ | ​ | (275,407) | ​ | ​ | ​ | ​ | ​ | (277,764) | ​ | ​ | ​ | ​ | ​ | (248,320) | ​ | ​ | ​ | ​ | ​ | (253,330) | ​ | ​ | ​ | ​ | ​ | (227,735) | ​ | ​
​ | Less: Contract liabilities | ​ | ​ | ​ | ​ | (126,932) | ​ | ​ | ​ | ​ | ​ | (70,978) | ​ | ​ | ​ | ​ | ​ | (172,915) | ​ | ​ | ​ | ​ | ​ | (135,746) | ​ | ​ | ​ | ​ | ​ | (130,018) | ​ | ​
​ | Less: Income Tax payable | ​ | ​ | ​ | ​ | (22,509) | ​ | ​ | ​ | ​ | ​ | — | ​ | ​ | ​ | ​ | ​ | (3,664) | ​ | ​ | ​ | ​ | ​ | — | ​ | ​ | ​ | ​ | ​ | — | ​ | ​
​ | Less: Dividends payable | ​ | ​ | ​ | ​ | (12,019) | ​ | ​ | ​ | ​ | ​ | (12,125) | ​ | ​ | ​ | ​ | ​ | (11,742) | ​ | ​ | ​ | ​ | ​ | (10,616) | ​ | ​ | ​ | ​ | ​ | (9,556) | ​ | ​
​ | Less: Deferred income taxes | ​ | ​ | ​ | ​ | (6,344) | ​ | ​ | ​ | ​ | ​ | (21,205) | ​ | ​ | ​ | ​ | ​ | (41,091) | ​ | ​ | ​ | ​ | ​ | (47,849) | ​ | ​ | ​ | ​ | ​ | (41,689) | ​ | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | Less: Operating lease liabilities | ​ | ​ | ​ | ​ | (134,534) | ​ | ​ | ​ | ​ | ​ | (162,743) | ​ | ​ | ​ | ​ | ​ | (155,469) | ​ | ​ | ​ | ​ | ​ | (147,759) | ​ | ​ | ​ | ​ | ​ | (80,202) | ​ | ​
​ | Less: Deferred compensation | ​ | ​ | ​ | ​ | (33,302) | ​ | ​ | ​ | ​ | ​ | (32,623) | ​ | ​ | ​ | ​ | ​ | (30,316) | ​ | ​ | ​ | ​ | ​ | (35,373) | ​ | ​ | ​ | ​ | ​ | (44,519) | ​ | ​
​ | Less: Defined benefit pension liability | ​ | ​ | ​ | ​ | — | ​ | ​ | ​ | ​ | ​ | — | ​ | ​ | ​ | ​ | ​ | — | ​ | ​ | ​ | ​ | ​ | (536) | ​ | ​ | ​ | ​ | ​ | (118,523) | ​ | ​
​ | Less: Other non-current liabilities | ​ | ​ | ​ | ​ | (20,813) | ​ | ​ | ​ | ​ | ​ | (12,818) | ​ | ​ | ​ | ​ | ​ | (13,480) | ​ | ​ | ​ | ​ | ​ | (89,207) | ​ | ​ | ​ | ​ | ​ | (58,687) | ​ | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | Total invested capital | ​ | ​ | ​ | $ | 2,279,395 | ​ | ​ | ​ | ​ | $ | 2,513,477 | ​ | ​ | ​ | ​ | $ | 2,495,471 | ​ | ​ | ​ | ​ | $ | 2,378,992 | ​ | ​ | ​ | ​ | $ | 1,974,162 | ​ | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | Beginning invested capital | ​ | ​ | ​ | $ | 2,513,477 | ​ | ​ | ​ | ​ | $ | 2,495,471 | ​ | ​ | ​ | ​ | $ | 2,378,992 | ​ | ​ | ​ | ​ | $ | 1,974,162 | ​ | ​ | ​ | ​ | $ | 1,977,223 | ​ | ​
​ | Average invested capital | ​ | ​ | ​ | $ | 2,396,436 | ​ | ​ | ​ | ​ | $ | 2,504,474 | ​ | ​ | ​ | ​ | $ | 2,437,232 | ​ | ​ | ​ | ​ | $ | 2,176,577 | ​ | ​ | ​ | ​ | $ | 1,975,693 | ​ | ​
​ | ​ | ​
The adjusted effective tax rate for fiscal 2023 excluded the effects of the impairment of long-lived assets of $140.8 million, realignment charges of $35.2 million, non-recurring charges associated with major scope changes for two strategic projects initiated by departed senior leadership of $5.6 million, loss from Argentine peso hyperinflation of $5.1 million, and non-recurring tax benefit items of $3.6 million. The effective tax rate including these items was 38.1%. The adjusted effective tax rate for fiscal 2022 excluded the effects of the $33.3 million loss from the divestiture of the offshore wind energy structure business which is not deductible for income tax purposes. The effective rate including the loss on the divestiture is 29.9%. The adjusted effective tax rates for fiscal 2020 excluded the effects of the $12.575 million goodwill impairments which are not deductible for income tax purposes. The effective tax rate in 2020 including the impairments is 25.7%. |  |  |  |  |  |  |
Measure:: 2 |  |  |  |  |  |  |  |
Pay vs Performance Disclosure |  |  |  |  |  |  |  |
Name | Net earnings |  |  |  |  |  |  |
Measure:: 3 |  |  |  |  |  |  |  |
Pay vs Performance Disclosure |  |  |  |  |  |  |  |
Name | Cumulative compound operating income growth |  |  |  |  |  |  |
Avner M. Applbaum [Member] |  |  |  |  |  |  |  |
Pay vs Performance Disclosure |  |  |  |  |  |  |  |
PEO Total Compensation Amount | $ 7,639,710 | 5,956,400 |  |  |  |  |  |
PEO Actually Paid Compensation Amount | 13,430,167 | 4,305,592 |  |  |  |  |  |
Stephen G. Kaniewski [Member] |  |  |  |  |  |  |  |
Pay vs Performance Disclosure |  |  |  |  |  |  |  |
PEO Total Compensation Amount |  | 6,280,307 | $ 8,674,260 | 7,337,975 | $ 6,432,086 |  |  |
PEO Actually Paid Compensation Amount |  | $ (5,362,357) | $ 21,710,433 | $ 16,362,423 | $ 9,973,234 |  |  |
PEO |  |  |  |  |  |  |  |
Pay vs Performance Disclosure |  |  |  |  |  |  |  |
Adjustment to Compensation, Amount | 0 |  |  |  |  |  |  |
PEO | Year-end Fair Value of Equity Awards Granted in Covered Year that are Outstanding and Unvested |  |  |  |  |  |  |  |
Pay vs Performance Disclosure |  |  |  |  |  |  |  |
Adjustment to Compensation, Amount | 7,504,388 |  |  |  |  |  |  |
PEO | Year-over-Year Change in Fair Value of Equity Awards Granted in Prior Years That are Outstanding and Unvested |  |  |  |  |  |  |  |
Pay vs Performance Disclosure |  |  |  |  |  |  |  |
Adjustment to Compensation, Amount | 1,815,123 |  |  |  |  |  |  |
PEO | Change in Fair Value as of Vesting Date of Prior Year Equity Awards Vested in Covered Year |  |  |  |  |  |  |  |
Pay vs Performance Disclosure |  |  |  |  |  |  |  |
Adjustment to Compensation, Amount | 1,111,384 |  |  |  |  |  |  |
PEO | Deduction Of The Amounts Of Stock Awards Reported in SCT for Fiscal Year [Member] |  |  |  |  |  |  |  |
Pay vs Performance Disclosure |  |  |  |  |  |  |  |
Adjustment to Compensation, Amount | 3,357,179 |  |  |  |  |  |  |
PEO | Deduction Of The Amounts Of Option Awards Reported in SCT for Fiscal Year [Member] |  |  |  |  |  |  |  |
Pay vs Performance Disclosure |  |  |  |  |  |  |  |
Adjustment to Compensation, Amount | 1,283,259 |  |  |  |  |  |  |
Non-PEO NEO | Year-end Fair Value of Equity Awards Granted in Covered Year that are Outstanding and Unvested |  |  |  |  |  |  |  |
Pay vs Performance Disclosure |  |  |  |  |  |  |  |
Adjustment to Compensation, Amount | 1,099,331 |  |  |  |  |  |  |
Non-PEO NEO | Year-over-Year Change in Fair Value of Equity Awards Granted in Prior Years That are Outstanding and Unvested |  |  |  |  |  |  |  |
Pay vs Performance Disclosure |  |  |  |  |  |  |  |
Adjustment to Compensation, Amount | 203,154 |  |  |  |  |  |  |
Non-PEO NEO | Change in Fair Value as of Vesting Date of Prior Year Equity Awards Vested in Covered Year |  |  |  |  |  |  |  |
Pay vs Performance Disclosure |  |  |  |  |  |  |  |
Adjustment to Compensation, Amount | 413,124 |  |  |  |  |  |  |
Non-PEO NEO | Prior Year End Fair Value of Equity Awards Granted in Any Prior Year that Fail to Meet Applicable Vesting Conditions During Covered Year |  |  |  |  |  |  |  |
Pay vs Performance Disclosure |  |  |  |  |  |  |  |
Adjustment to Compensation, Amount | 322,804 |  |  |  |  |  |  |
Non-PEO NEO | Deduction Of The Amounts Of Stock Awards Reported in SCT for Fiscal Year [Member] |  |  |  |  |  |  |  |
Pay vs Performance Disclosure |  |  |  |  |  |  |  |
Adjustment to Compensation, Amount | 653,749 |  |  |  |  |  |  |
Non-PEO NEO | Deduction Of The Amounts Of Option Awards Reported in SCT for Fiscal Year [Member] |  |  |  |  |  |  |  |
Pay vs Performance Disclosure |  |  |  |  |  |  |  |
Adjustment to Compensation, Amount | $ 137,216 |  |  |  |  |  |  |

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- Definition Adjusted percentage of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations. + References No definition available. + Details
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- Definition The amount of adjusted operating income (loss) of the company. + References No definition available. + Details
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- Definition The net of tax amount of adjusted operating income (loss) of the company. + References No definition available. + Details
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- Definition The amount of average investment capital. + References No definition available. + Details
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- Definition The effective income tax rate including impairment. + References No definition available. + Details
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- Definition The effective rate including loss on divestiture. + References No definition available. + Details
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- Definition The amount of total investment capital. + References No definition available. + Details
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- Definition Amount of loss from hyperinflation of currency. + References No definition available. + Details
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- Definition The amount of loss from divestiture. + References No definition available. + Details
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- Definition Amount of non-recurring tax benefit received by the company. + References No definition available. + Details
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- Definition Amount of non-recurring charges incurred by the company. + References No definition available. + Details
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- Definition The percentage of adjusted return on invested capital of the company. + References No definition available. + Details
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- Definition The percentage of return on invested capital. + References No definition available. + Details
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- Definition Amount of tax effect on adjusted operating income (loss) of the company. + References No definition available. + Details
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- Definition Amount of receivable written off during the period. + References No definition available. + Details
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