| Fiscal period | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 |
| Period End Date | 12/31/2025 | 12/31/2024 | 12/31/2023 | 12/31/2022 | 12/31/2021 | 12/31/2020 | 12/31/2019 | 12/31/2018 | 12/31/2017 | 12/31/2016 |
| Service revenues | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Product sales | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Revenue | 3,938.50 | 3,630.70 | 3,283.00 | 2,987.70 | 2,765.00 | 2,477.80 | 2,846.40 | 2,745.10 | 2,585.30 | 2,405.40 |
| Sales and revenues | 3,938.50 | 3,630.70 | 3,283.00 | 2,987.70 | 2,765.00 | 2,477.80 | 2,846.40 | 2,745.10 | 2,585.30 | 2,405.40 |
| Costs of sales and revenues | -- | -- | -- | -- | -- | -- | -- | -- | 1,768.10 | 1,647.20 |
| Costs of product sales | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Costs of service revenues | 2,546.10 | 2,383.40 | 2,175.70 | 2,065.40 | 1,865.50 | 1,695.60 | 1,936.30 | 1,857.90 | -- | -- |
| Gross Profit | 1,392.40 | 1,247.30 | 1,107.30 | 922.30 | 899.50 | 782.20 | 910.10 | 887.20 | 817.20 | 758.20 |
| Goodwill impairment | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Goodwill amortization expense | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Research, development, and engineering expenses | 110.80 | 116.30 | 102.60 | 96.50 | 94.90 | 84.90 | 97.90 | 98.40 | 93.70 | 80.80 |
| Selling, general, and administrative expenses | 368.40 | 296.60 | 302.60 | 211.60 | 214.30 | 200.70 | 254.10 | 259.10 | 264.00 | 274.10 |
| Sales and marketing expenses | 228.70 | 205.70 | 174.00 | 156.90 | 150.80 | 146.50 | 165.90 | 168.20 | 169.70 | 170.00 |
| Reversal of restructuring charge | -- | -- | -- | -- | 9.60 | -- | -- | -- | -- | -- |
| Restructuring and asset impairment charges | -- | -- | -- | 3.80 | -- | 43.00 | -- | -- | -- | -- |
| Asbestos-related costs, net | -- | -- | -- | -- | (74.40) | 66.30 | (20.20) | 4.90 | (19.90) | (25.60) |
| Asset impairment charges | -- | -- | -- | (1.80) | -- | (16.30) | -- | -- | -- | -- |
| Gain on sale of long-lived assets | -- | (0.50) | 0.10 | 16.30 | -- | 2.00 | (1.00) | 40.70 | -- | -- |
| Transformation Costs | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Gain on sale of businesses | -- | 47.80 | -- | -- | -- | -- | -- | -- | -- | -- |
| Operating (loss) income | 684.50 | 676.00 | 528.20 | 468.00 | 504.30 | 226.50 | 411.40 | 397.30 | 309.70 | 258.90 |
| Interest expense | 48.10 | 36.60 | 10.40 | 6.40 | -- | (0.70) | (3.00) | 6.30 | 0.30 | 0.50 |
| Gain on sale of investments | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Interest income | 10.70 | 6.60 | -- | -- | 1.10 | -- | -- | -- | -- | -- |
| Other non-operating income, net | 4.40 | 1.60 | -- | -- | -- | -- | -- | -- | -- | -- |
| Miscellaneous (expense) income | -- | -- | 1.70 | 1.30 | 2.40 | 2.20 | -- | -- | -- | -- |
| Non-operating postretirement costs | -- | -- | -- | (1.10) | 1.30 | (144.20) | -- | -- | -- | -- |
| Pre-Tax Income - Foreign | -- | -- | -- | -- | -- | -- | -- | 276.60 | -- | 170.90 |
| Income from continuing operations before income taxes | 651.50 | 647.60 | 519.50 | 461.80 | 509.10 | 85.20 | 414.40 | 391.00 | 309.40 | 258.40 |
| Pre-Tax Income - U.S | -- | -- | -- | -- | -- | -- | -- | 114.40 | -- | 87.50 |
| Current- U.S. Federal | 40.70 | 45.70 | 41.30 | 32.60 | 21.10 | 9.90 | -- | 6.30 | 7.70 | 4.30 |
| Current- Foreign | 112.40 | 94.70 | 85.60 | 54.40 | 50.20 | 50.80 | -- | 58.20 | 38.60 | 51.10 |
| Deferred: Foreign | (1.00) | (9.70) | (10.80) | -- | 3.30 | (2.50) | -- | (21.90) | 36.70 | (3.40) |
| Deferred- U.S. Federal | 4.10 | (6.40) | (14.10) | (0.20) | 96.90 | (36.60) | -- | 7.40 | 105.90 | 26.40 |
| Current: State and local | 2.40 | 6.00 | 5.50 | 1.20 | 2.60 | (1.50) | -- | 7.90 | 1.30 | (0.30) |
| Deferred: State and Local | 1.50 | (4.50) | (2.70) | 3.10 | 15.50 | (4.80) | -- | (0.20) | 4.40 | (2.10) |
| Income tax expense (benefit) | 160.10 | 125.80 | 104.80 | 91.10 | 189.60 | 15.30 | 89.90 | 57.70 | 194.60 | 76.00 |
| Income from Continuing Operations | 491.40 | 521.80 | 414.70 | 370.70 | 319.50 | 69.90 | 324.50 | 333.30 | 114.80 | 182.40 |
| Income (loss) from discontinued operations, net of tax | (0.10) | (0.10) | (0.90) | (1.30) | 1.50 | 4.00 | 1.70 | 1.30 | (1.50) | 4.20 |
| Income (loss) from discontinued operations, including a tax benefit | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Cumulative effect of change in accounting principle, net of tax benefit | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Net Income (Loss) | 491.30 | 521.70 | 413.80 | 369.40 | 321.00 | 73.90 | 326.20 | 334.60 | 113.30 | 186.60 |
| Income attributable to non-controlling interest | 3.30 | 3.40 | 3.30 | 2.40 | 4.70 | 1.40 | 1.10 | 0.90 | (0.20) | 0.50 |
| Net Income (Loss) Available to Common Shareholders | 488.00 | 518.30 | 410.50 | 367.00 | 316.30 | 72.50 | 325.10 | 333.70 | 113.50 | 186.10 |
| Income from continuing operations: Basic | 6.15 | 6.34 | 5.00 | 4.42 | 3.66 | 0.79 | 3.69 | 3.79 | 1.30 | 2.04 |
| Discontinued operations: Basic | 0.00 | 0.00 | (0.01) | (0.02) | 0.02 | 0.05 | 0.02 | 0.02 | (0.01) | 0.05 |
| Cumulative effect of change in accounting principle: Basic | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Net income: Basic | 6.15 | 6.34 | 4.99 | 4.40 | 3.68 | 0.84 | 3.71 | 3.81 | 1.29 | 2.09 |
| Income from continuing operations: Diluted | 6.11 | 6.30 | 4.97 | 4.40 | 3.64 | 0.78 | 3.65 | 3.75 | 1.29 | 2.02 |
| Discontinued operations: Diluted | 0.00 | 0.00 | (0.01) | (0.02) | 0.02 | 0.05 | 0.02 | 0.01 | (0.01) | 0.05 |
| Cumulative effect of change in accounting principle: Diluted | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Net income: Diluted | 6.11 | 6.30 | 4.96 | 4.38 | 3.66 | 0.83 | 3.67 | 3.76 | 1.28 | 2.07 |
| Average Common Shares -- Basic | 79.40 | 81.80 | 82.30 | 83.40 | 86.00 | 86.70 | 87.70 | 87.70 | 88.30 | 89.20 |
| Average Common Shares -- Diluted | 79.90 | 82.30 | 82.70 | 83.70 | 86.50 | 87.30 | 88.60 | 88.70 | 89.00 | 89.90 |