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INCOME TAXES (Tables) | 12 Months Ended
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Dec. 31, 2025
INCOME TAXES |
Schedule of components of income before income taxes | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ ​ ​ | Year Ended December 31,
​ | ​ ​ ​ | 2025 | ​ ​ ​ | 2024 | ​ ​ ​ | 2023
U.S. | ​ | $ | 514,355 | ​ | $ | 496,339 | ​ | $ | 508,316
Non-U.S. | ​ |  | 161,095 | ​ |  | 97,810 | ​ |  | 178,550
Total | ​ | $ | 675,450 | ​ | $ | 594,149 | ​ | $ | 686,866
Schedule of components of income tax expense (benefit) | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ ​ ​ | Year Ended December 31,
​ | ​ ​ ​ | 2025 | ​ ​ ​ | 2024 | ​ ​ ​ | 2023
Current: | ​ | ​ | ​ |  | ​ | ​ |  | ​ | ​
Federal | ​ | $ | 15,863 | ​ | $ | 109,943 | ​ | $ | 95,514
Non-U.S. | ​ |  | 42,685 | ​ |  | 37,997 | ​ |  | 45,830
State and local | ​ |  | 13,395 | ​ |  | 21,217 | ​ |  | 24,132
​ | ​ |  | 71,943 | ​ |  | 169,157 | ​ |  | 165,476
Deferred: | ​ |  | ​ | ​ |  | ​ | ​ |  | ​
Federal | ​ |  | 74,885 | ​ |  | (31,178) | ​ |  | (13,068)
Non-U.S. | ​ |  | (4,124) | ​ |  | (5,269) | ​ |  | (7,515)
State and local | ​ |  | 12,213 | ​ |  | (4,669) | ​ |  | (3,275)
​ | ​ |  | 82,974 | ​ |  | (41,116) | ​ |  | (23,858)
Total | ​ | $ | 154,917 | ​ | $ | 128,041 | ​ | $ | 141,618
Schedule of differences between total income tax expense and the amount computed by applying the statutory federal income tax rate to income before income taxes | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ ​ ​ | Year Ended December 31, |
​ | ​ ​ ​ | 2025 | ​ ​ ​ | 2024 | ​ ​ ​ | 2023 |
Statutory rate applied to pre-tax income | ​ | $ | 141,845 | ​ | 21.0 | % | ​ | $ | 124,771 | ​ | 21.0 | % | ​ | $ | 144,242 | ​ | 21.0 | % | ​
Domestic reconciling items: | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
State and local income taxes, net of federal tax benefit (1) | ​ |  | 22,795 | ​ | 3.4 | ​ | ​ |  | 14,172 | ​ | 2.4 | ​ | ​ |  | 17,979 | ​ | 2.6 | ​ | ​
Tax credits | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Research and development credit | ​ |  | (8,800) | ​ | (1.3) | ​ | ​ |  | (10,010) | ​ | (1.7) | ​ | ​ |  | (9,600) | ​ | (1.4) | ​ | ​
Other | ​ | ​ | (102) | ​ | — | ​ | ​ | ​ | (102) | ​ | — | ​ | ​ | ​ | (99) | ​ | — | ​ | ​
Nontaxable and nondeductible items | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Section 162(m) limitation | ​ |  | 7,560 | ​ | 1.1 | ​ | ​ |  | 12,810 | ​ | 2.2 | ​ | ​ |  | 3,360 | ​ | 0.5 | ​ | ​
Other | ​ |  | 679 | ​ | 0.1 | ​ | ​ |  | 679 | ​ | 0.1 | ​ | ​ |  | 694 | ​ | 0.1 | ​ | ​
Cross-border taxes | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Foreign tax credit | ​ |  | (6,018) | ​ | (0.9) | ​ | ​ |  | (7,042) | ​ | (1.2) | ​ | ​ |  | (7,136) | ​ | (1.0) | ​ | ​
Foreign derived intangible income deduction | ​ |  | — | ​ | — | ​ | ​ |  | (13,766) | ​ | (2.3) | ​ | ​ |  | (10,411) | ​ | (1.5) | ​ | ​
Other | ​ | ​ | 171 | ​ | — | ​ | ​ | ​ | (1,039) | ​ | (0.2) | ​ | ​ | ​ | (2,040) | ​ | (0.3) | ​ | ​
Exercises of stock-based compensation | ​ |  | (7,525) | ​ | (1.1) | ​ | ​ |  | (12,528) | ​ | (2.1) | ​ | ​ |  | (8,814) | ​ | (1.3) | ​ | ​
Other | ​ | ​ | (8,027) | ​ | (1.3) | ​ | ​ | ​ | 361 | ​ | 0.1 | ​ | ​ | ​ | 5,625 | ​ | 0.8 | ​ | ​
Foreign reconciling items: | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Mexico | ​ | ​ | 7,959 | ​ | 1.2 | ​ | ​ |  | 1,926 | ​ | 0.3 | ​ | ​ |  | 3,090 | ​ | 0.4 | ​ | ​
Other foreign jurisdictions | ​ | ​ | 4,491 | ​ | 0.7 | ​ | ​ |  | 17,329 | ​ | 2.9 | ​ | ​ |  | 5,046 | ​ | 0.7 | ​ | ​
Worldwide changes in prior year unrecognized tax benefits | ​ | ​ | (111) | ​ | — | ​ | ​ | ​ | 480 | ​ | 0.1 | ​ | ​ | ​ | (318) | ​ | — | ​ | ​
Total effective tax rate | ​ | $ | 154,917 | ​ | 22.9 | % | ​ | $ | 128,041 | ​ | 21.6 | % | ​ | $ | 141,618 | ​ | 20.6 | % | ​
| (1) | State and local income taxes in California, Florida, Michigan, Minnesota, Pennsylvania, Texas and Wisconsin for 2025, California, Illinois, Kentucky, Michigan, Pennsylvania, Wisconsin, and City of Euclid, Ohio for 2024 and California, Iowa, Illinois, Kentucky, Michigan, Pennsylvania, Wisconsin and City of Euclid, Ohio for 2023 made up the majority (greater than 50%) of the tax effect in this category.
Schedule of income tax payments, net of refunds | ​
​ | ​ | ​ | ​
​ | ​ ​ ​ | Year Ended December 31,
​ | ​ ​ ​ | 2025
Federal | ​ | $ | 47,779
Foreign | ​ | ​ | ​
Canada | ​ | ​ | 8,562
Mexico | ​ | ​ | 5,836
All other foreign | ​ | ​ | 18,214
State and local | ​ |  | 20,331
Total (1) | ​ | $ | 100,722
​
| (1) | Total income tax payments, net of refunds, in 2025 as compared to 2024 were lower primarily due to the election of provisions from the OBBBA.
Schedule of significant components of deferred tax assets and liabilities | ​
​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ ​ ​ | December 31,
​ | ​ ​ ​ | 2025 | ​ ​ ​ | 2024
Deferred tax assets: | ​ | ​ | ​ |  | ​ | ​
Tax loss and credit carry-forwards | ​ | $ | 27,883 | ​ | $ | 43,417
Inventory | ​ |  | 7,348 | ​ |  | 1,555
Other accruals | ​ |  | 29,308 | ​ |  | 31,671
Research and development capitalization | ​ | ​ | 5,454 | ​ | ​ | 86,697
Employee benefits | ​ |  | 27,495 | ​ |  | 27,866
Pension obligations | ​ |  | 4,647 | ​ |  | 7,025
Other | ​ |  | 14,758 | ​ |  | 9,508
Deferred tax assets, gross | ​ |  | 116,893 | ​ |  | 207,739
Valuation allowance | ​ |  | (4,802) | ​ |  | (35,284)
Deferred tax assets, net | ​ |  | 112,091 | ​ |  | 172,455
Deferred tax liabilities: | ​ |  | ​ | ​ |  | ​
Property, plant and equipment | ​ |  | 50,169 | ​ |  | 43,048
Intangible assets | ​ |  | 34,279 | ​ |  | 31,214
Inventory | ​ |  | 7,720 | ​ |  | 6,785
Pension and other benefit liabilities | ​ |  | 2,302 | ​ |  | 5,890
Other | ​ |  | 22,648 | ​ |  | 18,371
Deferred tax liabilities | ​ |  | 117,118 | ​ |  | 105,308
Total deferred taxes | ​ | $ | (5,027) | ​ | $ | 67,147
Schedule of activity related to unrecognized tax benefits | ​
​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ ​ ​ | 2025 | ​ | 2024
Balance at beginning of year | ​ ​ ​ | $ | 10,887 | ​ ​ ​ | $ | 12,592
Increase related to current year tax positions | ​ |  | 1,010 | ​ |  | 1,701
Decrease related to prior years' tax positions | ​ |  | (110) | ​ |  | (870)
Decrease related to settlements with taxing authorities | ​ |  | — | ​ |  | —
Resolution of and other decreases in prior years' tax liabilities | ​ |  | (2,152) | ​ |  | (1,982)
Other | ​ |  | 678 | ​ |  | (554)
Balance at end of year | ​ | $ | 10,313 | ​ | $ | 10,887

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