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Pay vs Performance Disclosure - USD ($) | 12 Months Ended
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Dec. 31, 2024 | Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020
Pay vs Performance Disclosure |  |  |  |  |
Pay vs Performance Disclosure, Table | Pay Versus Performance In accordance with rules adopted by the SEC, we provide the following disclosure regarding executive “Compensation Actually Paid” or “CAP” (as calculated in accordance with SEC rules) and certain Company performance for the fiscal years listed below. You should refer to “EXECUTIVE COMPENSATION – Compensation Discussion and Analysis” in this proxy statement for a complete description of how executive compensation relates to Company performance and how the Compensation Committee makes its decisions.
|  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | Year-end value of $100 invested on 12/31/2019 in: |  |  |  |  |  |  |
| Year |  |  | Summary Compensation Table Total for Thomas L. Deitrich ($) |  |  | Compensation Actually Paid to Thomas L. Deitrich(1)(2) ($) |  |  | Average Summary Compensation Table Total for Non-CEO NEOs(3) ($) |  |  | Average Compensation Actually Paid to Non-CEO NEOs(1)(2)(3)(7) ($) |  |  | ITRI ($) |  |  | Peer Group(4) ($) |  |  | Net Income (loss) attributable to Itron, Inc. (in millions)(5) ($) |  |  | Adj. EBITDA (in millions)(6) ($) |
| 2024 |  |  | ​9,395,744 |  |  | 25,612,917 |  |  | 2,310,381 |  |  | 4,984,227 |  |  | 129.34 |  |  | 116.71 |  |  | 239.1 |  |  | 323.6 |
| 2023 |  |  | 6,167,366 |  |  | 14,985,547 |  |  | 1,720,203 |  |  | 3,088,435 |  |  | 89.95 |  |  | 103.85 |  |  | 96.9 |  |  | 225.6 |
| 2022 |  |  | 3,902,881 |  |  | 2,219,992 |  |  | 1,168,312 |  |  | 718,317 |  |  | 60.33 |  |  | 94.48 |  |  | ​(9.7) |  |  | 95.1 |
| 2021 |  |  | 4,540,331 |  |  | 1,543,572 |  |  | 1,712,738 |  |  | 1,006,326 |  |  | 81.62 |  |  | 131.50 |  |  | ​(81.3) |  |  | 115.2 |
| 2020 |  |  | 3,638,204 |  |  | 3,850,288 |  |  | 1,311,769 |  |  | 1,094,823 |  |  | 114.23 |  |  | 131.60 |  |  | ​(58.0) |  |  | 178.4 |
(1) | Deductions from, and additions to, total compensation in the Summary Compensation Table for 2024 to calculate Compensation Actually Paid include:
|  |  |  | 2024 |
|  |  |  | Thomas L. Deitrich |  |  | Average Non- CEO NEOs |
| Total Compensation from Summary Compensation Table |  |  | $​9,395,744 |  |  | $2,310,381 |
| Adjustments for Pension |  |  |  |  |  |  |
| Adjustment Summary Compensation Table Pension |  |  | $— |  |  | $— |
| Amount added for current year service cost |  |  | $— |  |  | $— |
| Amount added for prior service cost impacting current year |  |  | $— |  |  | $— |
| Total Adjustments for Pension |  |  | $— |  |  | $— |
| Adjustments for Equity Awards |  |  |  |  |  |  |
| Adjustment for grant date values in the Summary Compensation Table |  |  | $(6,535,375) |  |  | $ (1,297,652) |
| Year-end fair value of unvested awards granted in the current year |  |  | $12,119,844 |  |  | $2,416,807 |
| Year-over-year difference of year-end fair values for unvested awards granted in prior years |  |  | $6,856,621 |  |  | $985,975 |
| Fair values at vest date for awards granted and vested in current year |  |  | $— |  |  | $— |
| Difference in fair values between prior year-end fair values and vest date fair values for awards granted in prior years |  |  | $3,776,083 |  |  | $568,717 |
| Forfeitures during current year equal to prior year-end fair value |  |  | $— |  |  | $— |
| Dividends or dividend equivalents not otherwise included in total compensation |  |  | $— |  |  | $— |
| Total Adjustments for Equity Awards |  |  | $ 16,217,173 |  |  | $2,673,846 |
| Compensation Actually Paid (as calculated) |  |  | $ 25,612,917 |  |  | $4,984,227 |
(2) | Assumptions used in the valuation of equity awards for purposes of calculating Compensation Actually Paid were materially the same as at grant date, except for adjusting for expected performance of PRSUs at each measurement date. Additionally, for CAP calculation purposes, adjustments have been made to reflect fair values of equity awards as of each measurement date.
(3) | Non-CEO NEOs reflect the average Summary Compensation Table total compensation and average Compensation Actually Paid for the following executives by year:
2023-2024: Hooper, Joan S.; Reeves, Donald L.; Marcolini, John F.; Patrick, Justin K. 2022: Hooper, Joan S.; Cadieux, Michel C.; Reeves, Donald L.; Marcolini, John F. 2020-2021: Hooper, Joan S.; Cadieux, Michel C.; Reeves, Donald L.; Hlavinka, Sarah E.
(4) | Years 2020 to 2024 reflect the 2024 peer group as disclosed in our 2024 Form 10-K: LM Ericsson Telephone Company; Xylem Inc.; Landis+Gyr Group AG; Advanced Energy Industries, Inc. We changed our 10-K peer group in 2024 to add Advanced Energy Industries and remove Mueller Water Products to better reflect our business, 50% of which is focused on electricity.
Our 2023 peer group included: LM Ericsson Telephone Company; Xylem Inc.; Landis+Gyr Group AG; Mueller Water Products, Inc. If the peer group TSR results had been calculated based on the 2023 peer group, the peer group TSR for 2020, 2021, 2022, 2023, and 2024 would have been $130.32, $131.40, $92.95, $101.92, and $117.07, respectively. Peer group TSR represents the weighted peer group TSR, weighted according to respective companies’ stock market capitalization at the beginning of each period for which a return is indicated.
(5) | Amounts represent net income (loss) reflected in the Company’s audited financial statements for the applicable year.
(6) | In the Company’s assessment, Adjusted EBITDA represents the most important financial performance measure (not otherwise required to be disclosed in the table) used by the Company to link Compensation Actually Paid to the NEOs to Company performance for the most recently completed fiscal year. We define Adjusted EBITDA as net income (loss) (a) minus interest income, (b) plus interest expense, depreciation and amortization, restructuring, loss on sale of businesses, strategic initiative expenses, software project impairment, Russian currency translation write-off, goodwill impairment, acquisition and integration related expenses, and (c) excluding income tax provision or benefit.
(7) | Average Compensation Actually Paid to Non-CEO NEOs for 2023 as reflected in last year's disclosure has been adjusted to reflect a corrected year-end PRSU value for one NEO.
Company Selected Measure Name | Adjusted EBITDA |  |  |  |
Named Executive Officers, Footnote |
(3) | Non-CEO NEOs reflect the average Summary Compensation Table total compensation and average Compensation Actually Paid for the following executives by year:
2023-2024: Hooper, Joan S.; Reeves, Donald L.; Marcolini, John F.; Patrick, Justin K. 2022: Hooper, Joan S.; Cadieux, Michel C.; Reeves, Donald L.; Marcolini, John F. 2020-2021: Hooper, Joan S.; Cadieux, Michel C.; Reeves, Donald L.; Hlavinka, Sarah E. |  |  |  |
Peer Group Issuers, Footnote |
(4) | Years 2020 to 2024 reflect the 2024 peer group as disclosed in our 2024 Form 10-K: LM Ericsson Telephone Company; Xylem Inc.; Landis+Gyr Group AG; Advanced Energy Industries, Inc. We changed our 10-K peer group in 2024 to add Advanced Energy Industries and remove Mueller Water Products to better reflect our business, 50% of which is focused on electricity.
Our 2023 peer group included: LM Ericsson Telephone Company; Xylem Inc.; Landis+Gyr Group AG; Mueller Water Products, Inc. If the peer group TSR results had been calculated based on the 2023 peer group, the peer group TSR for 2020, 2021, 2022, 2023, and 2024 would have been $130.32, $131.40, $92.95, $101.92, and $117.07, respectively. Peer group TSR represents the weighted peer group TSR, weighted according to respective companies’ stock market capitalization at the beginning of each period for which a return is indicated. |  |  |  |
Changed Peer Group, Footnote |
(4) | Years 2020 to 2024 reflect the 2024 peer group as disclosed in our 2024 Form 10-K: LM Ericsson Telephone Company; Xylem Inc.; Landis+Gyr Group AG; Advanced Energy Industries, Inc. We changed our 10-K peer group in 2024 to add Advanced Energy Industries and remove Mueller Water Products to better reflect our business, 50% of which is focused on electricity.
Our 2023 peer group included: LM Ericsson Telephone Company; Xylem Inc.; Landis+Gyr Group AG; Mueller Water Products, Inc. If the peer group TSR results had been calculated based on the 2023 peer group, the peer group TSR for 2020, 2021, 2022, 2023, and 2024 would have been $130.32, $131.40, $92.95, $101.92, and $117.07, respectively. Peer group TSR represents the weighted peer group TSR, weighted according to respective companies’ stock market capitalization at the beginning of each period for which a return is indicated. |  |  |  |
PEO Total Compensation Amount | $ 9,395,744 | $ 6,167,366 | $ 3,902,881 | $ 4,540,331 | $ 3,638,204
PEO Actually Paid Compensation Amount | $ 25,612,917 | 14,985,547 | 2,219,992 | 1,543,572 | 3,850,288
Adjustment To PEO Compensation, Footnote |
(1) | Deductions from, and additions to, total compensation in the Summary Compensation Table for 2024 to calculate Compensation Actually Paid include:
|  |  |  | 2024 |
|  |  |  | Thomas L. Deitrich |  |  | Average Non- CEO NEOs |
| Total Compensation from Summary Compensation Table |  |  | $​9,395,744 |  |  | $2,310,381 |
| Adjustments for Pension |  |  |  |  |  |  |
| Adjustment Summary Compensation Table Pension |  |  | $— |  |  | $— |
| Amount added for current year service cost |  |  | $— |  |  | $— |
| Amount added for prior service cost impacting current year |  |  | $— |  |  | $— |
| Total Adjustments for Pension |  |  | $— |  |  | $— |
| Adjustments for Equity Awards |  |  |  |  |  |  |
| Adjustment for grant date values in the Summary Compensation Table |  |  | $(6,535,375) |  |  | $ (1,297,652) |
| Year-end fair value of unvested awards granted in the current year |  |  | $12,119,844 |  |  | $2,416,807 |
| Year-over-year difference of year-end fair values for unvested awards granted in prior years |  |  | $6,856,621 |  |  | $985,975 |
| Fair values at vest date for awards granted and vested in current year |  |  | $— |  |  | $— |
| Difference in fair values between prior year-end fair values and vest date fair values for awards granted in prior years |  |  | $3,776,083 |  |  | $568,717 |
| Forfeitures during current year equal to prior year-end fair value |  |  | $— |  |  | $— |
| Dividends or dividend equivalents not otherwise included in total compensation |  |  | $— |  |  | $— |
| Total Adjustments for Equity Awards |  |  | $ 16,217,173 |  |  | $2,673,846 |
| Compensation Actually Paid (as calculated) |  |  | $ 25,612,917 |  |  | $4,984,227 |
Non-PEO NEO Average Total Compensation Amount | $ 2,310,381 | 1,720,203 | 1,168,312 | 1,712,738 | 1,311,769
Non-PEO NEO Average Compensation Actually Paid Amount | $ 4,984,227 | 3,088,435 | 718,317 | 1,006,326 | 1,094,823
Adjustment to Non-PEO NEO Compensation Footnote |
(1) | Deductions from, and additions to, total compensation in the Summary Compensation Table for 2024 to calculate Compensation Actually Paid include:
|  |  |  | 2024 |
|  |  |  | Thomas L. Deitrich |  |  | Average Non- CEO NEOs |
| Total Compensation from Summary Compensation Table |  |  | $​9,395,744 |  |  | $2,310,381 |
| Adjustments for Pension |  |  |  |  |  |  |
| Adjustment Summary Compensation Table Pension |  |  | $— |  |  | $— |
| Amount added for current year service cost |  |  | $— |  |  | $— |
| Amount added for prior service cost impacting current year |  |  | $— |  |  | $— |
| Total Adjustments for Pension |  |  | $— |  |  | $— |
| Adjustments for Equity Awards |  |  |  |  |  |  |
| Adjustment for grant date values in the Summary Compensation Table |  |  | $(6,535,375) |  |  | $ (1,297,652) |
| Year-end fair value of unvested awards granted in the current year |  |  | $12,119,844 |  |  | $2,416,807 |
| Year-over-year difference of year-end fair values for unvested awards granted in prior years |  |  | $6,856,621 |  |  | $985,975 |
| Fair values at vest date for awards granted and vested in current year |  |  | $— |  |  | $— |
| Difference in fair values between prior year-end fair values and vest date fair values for awards granted in prior years |  |  | $3,776,083 |  |  | $568,717 |
| Forfeitures during current year equal to prior year-end fair value |  |  | $— |  |  | $— |
| Dividends or dividend equivalents not otherwise included in total compensation |  |  | $— |  |  | $— |
| Total Adjustments for Equity Awards |  |  | $ 16,217,173 |  |  | $2,673,846 |
| Compensation Actually Paid (as calculated) |  |  | $ 25,612,917 |  |  | $4,984,227 |
Equity Valuation Assumption Difference, Footnote |
(2) | Assumptions used in the valuation of equity awards for purposes of calculating Compensation Actually Paid were materially the same as at grant date, except for adjusting for expected performance of PRSUs at each measurement date. Additionally, for CAP calculation purposes, adjustments have been made to reflect fair values of equity awards as of each measurement date.
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 Performance Measures In our assessment, the most important performance measures used to link CAP to Company performance are listed in the table below, not ranked in order of importance. The role of each of these performance measures in our executive compensation program is discussed under “EXECUTIVE COMPENSATION – Compensation Discussion and Analysis” in this proxy statement. Performance Measures Adjusted EBITDA Revenue Non-GAAP diluted EPS |  |  |  |
Total Shareholder Return Amount | $ 129.34 | 89.95 | 60.33 | 81.62 | 114.23
Peer Group Total Shareholder Return Amount | 116.71 | 103.85 | 94.48 | 131.5 | 131.6
Net Income (Loss) | $ 239,100,000 | $ 96,900,000 | $ (9,700,000) | $ (81,300,000) | $ (58,000,000)
Company Selected Measure Amount | 323,600,000 | 225,600,000 | 95,100,000 | 115,200,000 | 178,400,000
PEO Name | Thomas L. Deitrich | Thomas L. Deitrich | Thomas L. Deitrich | Thomas L. Deitrich | Thomas L. Deitrich
Percentage of Business Focused on Electricity | 50.00% |  |  |  |
Peer Group Total Shareholder Return Amount Using Previous Peer Group | $ 117.07 | $ 101.92 | $ 92.95 | $ 131.4 | $ 130.32
Measure:: 1 |  |  |  |  |
Pay vs Performance Disclosure |  |  |  |  |
Name | Adjusted EBITDA |  |  |  |
Measure:: 2 |  |  |  |  |
Pay vs Performance Disclosure |  |  |  |  |
Name | Revenue |  |  |  |
Measure:: 3 |  |  |  |  |
Pay vs Performance Disclosure |  |  |  |  |
Name | Non-GAAP diluted EPS |  |  |  |
PEO | Aggregate Change in Present Value of Accumulated Benefit for All Pension Plans Reported in Summary Compensation Table |  |  |  |  |
Pay vs Performance Disclosure |  |  |  |  |
Adjustment to Compensation, Amount | $ 0 |  |  |  |
PEO | Pension Adjustments Service Cost |  |  |  |  |
Pay vs Performance Disclosure |  |  |  |  |
Adjustment to Compensation, Amount | 0 |  |  |  |
PEO | Pension Adjustments Prior Service Cost |  |  |  |  |
Pay vs Performance Disclosure |  |  |  |  |
Adjustment to Compensation, Amount | 0 |  |  |  |
PEO | Equity Awards Adjustments |  |  |  |  |
Pay vs Performance Disclosure |  |  |  |  |
Adjustment to Compensation, Amount | 16,217,173 |  |  |  |
PEO | Aggregate Grant Date Fair Value of Equity Award Amounts Reported in Summary Compensation Table |  |  |  |  |
Pay vs Performance Disclosure |  |  |  |  |
Adjustment to Compensation, Amount | (6,535,375) |  |  |  |
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 | 12,119,844 |  |  |  |
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 | 6,856,621 |  |  |  |
PEO | Vesting Date Fair Value of Equity Awards Granted and Vested in Covered Year |  |  |  |  |
Pay vs Performance Disclosure |  |  |  |  |
Adjustment to Compensation, Amount | 0 |  |  |  |
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 | 3,776,083 |  |  |  |
PEO | 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 | 0 |  |  |  |
PEO | Dividends or Other Earnings Paid on Equity Awards not Otherwise Reflected in Total Compensation for Covered Year |  |  |  |  |
Pay vs Performance Disclosure |  |  |  |  |
Adjustment to Compensation, Amount | 0 |  |  |  |
PEO | Total Adjustments for Pension [Member] |  |  |  |  |
Pay vs Performance Disclosure |  |  |  |  |
Adjustment to Compensation, Amount | 0 |  |  |  |
Non-PEO NEO | Aggregate Change in Present Value of Accumulated Benefit for All Pension Plans Reported in Summary Compensation Table |  |  |  |  |
Pay vs Performance Disclosure |  |  |  |  |
Adjustment to Compensation, Amount | 0 |  |  |  |
Non-PEO NEO | Pension Adjustments Service Cost |  |  |  |  |
Pay vs Performance Disclosure |  |  |  |  |
Adjustment to Compensation, Amount | 0 |  |  |  |
Non-PEO NEO | Pension Adjustments Prior Service Cost |  |  |  |  |
Pay vs Performance Disclosure |  |  |  |  |
Adjustment to Compensation, Amount | 0 |  |  |  |
Non-PEO NEO | Equity Awards Adjustments |  |  |  |  |
Pay vs Performance Disclosure |  |  |  |  |
Adjustment to Compensation, Amount | 2,673,846 |  |  |  |
Non-PEO NEO | Aggregate Grant Date Fair Value of Equity Award Amounts Reported in Summary Compensation Table |  |  |  |  |
Pay vs Performance Disclosure |  |  |  |  |
Adjustment to Compensation, Amount | (1,297,652) |  |  |  |
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 | 2,416,807 |  |  |  |
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 | 985,975 |  |  |  |
Non-PEO NEO | Vesting Date Fair Value of Equity Awards Granted and Vested in Covered Year |  |  |  |  |
Pay vs Performance Disclosure |  |  |  |  |
Adjustment to Compensation, Amount | 0 |  |  |  |
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 | 568,717 |  |  |  |
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 | 0 |  |  |  |
Non-PEO NEO | Dividends or Other Earnings Paid on Equity Awards not Otherwise Reflected in Total Compensation for Covered Year |  |  |  |  |
Pay vs Performance Disclosure |  |  |  |  |
Adjustment to Compensation, Amount | 0 |  |  |  |
Non-PEO NEO | Total Adjustments for Pension [Member] |  |  |  |  |
Pay vs Performance Disclosure |  |  |  |  |
Adjustment to Compensation, Amount | $ 0 |  |  |  |

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