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Note 6 - Segment Reporting - Segment Information (Details) - USD ($) | 3 Months Ended | 6 Months Ended |
--- | --- | --- | ---
Jun. 30, 2025 | Jun. 30, 2024 | Jun. 30, 2025 | Jun. 30, 2024 | Dec. 31, 2024
Sales |  | $ 1,061,169,000 |  | $ 998,197,000 |  | $ 2,003,290,000 |  | $ 1,887,470,000 |  |
Costs of goods sold |  | 644,420,000 |  | 622,636,000 |  | 1,214,555,000 |  | 1,195,530,000 |  |
Elimination of intersegment cost of goods sold |  | 416,749,000 |  | 375,561,000 |  | 788,735,000 |  | 691,940,000 |  |
Operating expenses |  | 304,960,000 |  | 272,326,000 |  | 593,308,000 |  | 521,836,000 |  |
Other segment items (1) | [1] | (75,840,000) |  | (61,454,000) |  | (141,748,000) |  | (121,818,000) |  |
Adjusted EBITDA by reportable segment |  | 187,629,000 |  | 164,689,000 |  | 337,175,000 |  | 291,922,000 |  |
Interest expense |  | (18,242,000) |  | (23,318,000) |  | (35,352,000) |  | (46,923,000) |  |
Depreciation and amortization |  | (48,321,000) |  | (42,880,000) |  | (94,462,000) |  | (84,782,000) |  |
Non-cash write-down and other adjustments (2) | [2] | (2,155,000) |  | (1,885,000) |  | (2,142,000) |  | (2,395,000) |  |
Non-cash share-based compensation expense (3) | [3] | (14,752,000) |  | (12,715,000) |  | (26,360,000) |  | (25,155,000) |  |
Transaction costs and credit facility fees (4) | [4] | (1,004,000) |  | (1,267,000) |  | (1,764,000) |  | (2,692,000) |  |
Business optimization and other charges (5) | [5] | (3,442,000) |  | (1,140,000) |  | (5,017,000) |  | (1,626,000) |  |
Provision for legal, regulatory, and other costs (6) |  | (4,911,000) | [6] | (363,000) | [6] | (8,662) | [7] | (2,898) | [7] |
Change in fair value of investments (7) | [8] | (1,524,000) |  | (2,117,000) |  | (11,471) |  | (8,136) |  |
Other (8) |  | (3,426,000) |  | (313,000) |  | (3,579,000) | [9] | (113,000) | [9] |
Income before provision for income taxes |  | 89,852,000 |  | 78,691,000 |  | 148,366,000 |  | 117,202,000 |  |
Change in fair value of investments (7) | [8] | (1,524,000) |  | (2,117,000) |  | (11,471) |  | (8,136) |  |
Assets |  | 5,388,801,000 |  |  |  | 5,388,801,000 |  |  |  | $ 5,109,331,000
Depreciation and Amortization |  | 48,321,000 |  | 42,880,000 |  | 94,462,000 |  | 84,782,000 |  |
Capital expenditures |  | 57,716,000 |  | 27,952,000 |  | 88,653,000 |  | 54,772,000 |  |
External Net Sales [Member] |  |  |  |  |  |  |  |  |  |
Sales |  | 1,061,169,000 |  | 998,197,000 |  | 2,003,290,000 |  | 1,887,470,000 |  |
Intersegment Sales [Member] |  |  |  |  |  |  |  |  |  |
Sales |  | 20,497,000 |  | 13,450,000 |  | 46,253,000 |  | 31,360,000 |  |
Domestic [Member] |  |  |  |  |  |  |  |  |  |
Sales |  | 878,231,000 |  | 817,558,000 |  | 1,652,873,000 |  | 1,529,895,000 |  |
Assets |  | 3,970,400,000 |  |  |  | 3,970,400,000 |  |  |  | 3,873,904,000
Depreciation and Amortization |  | 39,371,000 |  | 33,655,000 |  | 77,192,000 |  | 66,257,000 |  |
Capital expenditures |  | 47,743,000 |  | 24,101,000 |  | 76,041,000 |  | 48,267,000 |  |
International [Member] |  |  |  |  |  |  |  |  |  |
Sales |  | 182,938,000 |  | 180,639,000 |  | 350,417,000 |  | 357,575,000 |  |
Assets |  | 1,418,401,000 |  |  |  | 1,418,401,000 |  |  |  | $ 1,235,427,000
Depreciation and Amortization |  | 8,950,000 |  | 9,225,000 |  | 17,270,000 |  | 18,525,000 |  |
Capital expenditures |  | 9,973,000 |  | 3,851,000 |  | 12,612,000 |  | 6,505,000 |  |
Operating Segments [Member] |  |  |  |  |  |  |  |  |  |
Sales |  | 1,081,666,000 |  | 1,011,647,000 |  | 2,049,543,000 |  | 1,918,830,000 |  |
Costs of goods sold |  | 664,917,000 |  | 636,086,000 |  | 1,260,808,000 |  | 1,226,890,000 |  |
Operating Segments [Member] | Domestic [Member] |  |  |  |  |  |  |  |  |  |
Sales |  | 884,462,000 |  | 827,139,000 |  | 1,666,797,000 |  | 1,547,613,000 |  |
Costs of goods sold |  | 520,195,000 |  | 498,894,000 |  | 981,167,000 |  | 954,217,000 |  |
Operating expenses |  | 266,446,000 |  | 236,242,000 |  | 521,155,000 |  | 451,890,000 |  |
Other segment items (1) | [1] | (60,296,000) |  | (47,671,000) |  | (116,154,000) |  | (97,343,000) |  |
Adjusted EBITDA by reportable segment |  | 158,117,000 |  | 139,674,000 |  | 280,629,000 |  | 238,849,000 |  |
Operating Segments [Member] | Domestic [Member] | External Net Sales [Member] |  |  |  |  |  |  |  |  |  |
Sales |  | 878,231,000 |  | 817,558,000 |  | 1,652,873,000 |  | 1,529,895,000 |  |
Operating Segments [Member] | Domestic [Member] | Intersegment Sales [Member] |  |  |  |  |  |  |  |  |  |
Sales |  | 6,231,000 |  | 9,581,000 |  | 13,924,000 |  | 17,718,000 |  |
Operating Segments [Member] | International [Member] |  |  |  |  |  |  |  |  |  |
Sales |  | 197,204,000 |  | 184,508,000 |  | 382,746,000 |  | 371,217,000 |  |
Costs of goods sold |  | 144,722,000 |  | 137,192,000 |  | 279,641,000 |  | 272,673,000 |  |
Operating expenses |  | 38,514,000 |  | 36,084,000 |  | 72,153,000 |  | 69,946,000 |  |
Other segment items (1) | [1] | (15,544,000) |  | (13,783,000) |  | (25,594,000) |  | (24,475,000) |  |
Adjusted EBITDA by reportable segment |  | 29,512,000 |  | 25,015,000 |  | 56,546,000 |  | 53,073,000 |  |
Operating Segments [Member] | International [Member] | External Net Sales [Member] |  |  |  |  |  |  |  |  |  |
Sales |  | 182,938,000 |  | 180,639,000 |  | 350,417,000 |  | 357,575,000 |  |
Operating Segments [Member] | International [Member] | Intersegment Sales [Member] |  |  |  |  |  |  |  |  |  |
Sales |  | 14,266,000 |  | 3,869,000 |  | 32,329,000 |  | 13,642,000 |  |
Intersegment Eliminations [Member] |  |  |  |  |  |  |  |  |  |
Elimination of intersegment cost of goods sold |  | (20,497,000) |  | (13,450,000) |  | (46,253,000) |  | (31,360,000) |  |
Intersegment Eliminations [Member] | Intersegment Sales [Member] |  |  |  |  |  |  |  |  |  |
Sales |  | $ (20,497,000) |  | $ (13,450,000) |  | $ (46,253,000) |  | $ (31,360,000) |  |
[1] | Other segment items primarily represent depreciation and amortization and the following items defined below: Non-cash write-down and other adjustments; Non-cash shared-based compensation expense; Transaction costs and credit facility fees; Business optimization and other charges; and Provision for legal, regulatory, and clean energy product charges.
[2] | Includes gains (losses) on dispositions of assets other than in the ordinary course of business, gains (losses) on sales of certain investments, unrealized mark-to-market adjustments on commodity contracts, certain foreign currency related adjustments, and certain purchase accounting and contingent consideration adjustments.
[3] | Represents share-based compensation expense to account for stock options, restricted stock, and other stock awards over their respective vesting periods.
[4] | Represents transaction costs incurred directly in connection with any investment, as defined in the Company's credit agreement, equity issuance or debt issuance or refinancing, together with certain fees relating to the Company's senior secured credit facilities, such as administrative agent fees and credit facility commitment fees under the Company's Amended Credit Agreement.
[5] | Represents severance and other restructuring charges related to the consolidation of certain operating facilities and organizational functions.
[6] | Represents the following significant litigation, regulatory, and other matters that are not indicative of our ongoing operations: • A provision for judgments, settlements, and legal expenses related to certain patent lawsuits - $3,188 and $1,696 for the year-to-date and three months ended June 30, 2025, respectively and $2,533 and $363 for the year-to-date and three months ended June 30 2024, respectively. • Legal expenses related to certain class action lawsuits - $3,883 and $2,540 for the year-to-date and three months ended June 30, 2025, respectively. • Legal expenses related to certain government inquiries and other significant matters - $1,591 and $675 for the year-to-date and three months ended June 30, 2025, respectively. • Additional customer support costs related to a clean energy product customer that filed for bankruptcy in 2022 – $365 year-to-date June 30, 2024.
[7] | Represents the following significant litigation, regulatory, and other matters that are not indicative of our ongoing operations: • A provision for judgments, settlements, and legal expenses related to certain patent lawsuits - $1,696 and $3,188 for the three and six months ended June 30, 2025, respectively, and $363 and $2,533 for the three and six months ended June 30, 2024, respectively. • Legal expenses related to certain class action lawsuits - $2,540 and $3,883 for the three and six months ended June 30, 2025, respectively. • Legal expenses related to certain government inquiries and other significant matters - $675 and $1,591 for the three and six months ended June 30, 2025, respectively. • Additional customer support costs related to a clean energy product customer that filed for bankruptcy in 2022 – $0 and $365 for the three and six months ended June 30, 2024.
[8] | Represents non-cash losses from changes in the fair value of the Company's investment in Wallbox warrants and equity securities.
[9] | The pre-tax loss in the second quarter of 2025 relates primarily to the sale of our immaterial Tank Utility fleet business.

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