| in € million | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 | 2014 |
| Net sales | 6,144.5 | 4,925.5 | 4,797.8 | 4,042.3 | 3,898.0 | 3,889.2 | 3,761.0 | 3,631.6 | 3,838.5 | 3,823.0 |
| Research and development costs 1 | 302.4 | 279.1 | 262.3 | 237.4 | 243.6 | 233.4 | 217.6 | 221.4 | 203.0 | 212.3 |
| EBITDA | 768.5 | 435.7 | 532.1 | 333.4 | 280.3 | 372.7 | 335.7 | 251.9 | 310.5 | 327.9 |
| EBIT | 567.6 | 189.7 | 384.9 | 185.6 | 164.0 | 256.8 | 215.2 | 129.0 | 196.8 | 194.4 |
| Income before taxes | 522.3 | 166.3 | 357.1 | 158.1 | 135.7 | 225.7 | 184.5 | 93.5 | 157.7 | 155.1 |
| Net income | 347.1 | 88.1 | 272.6 | 107.1 | 96.3 | 152.0 | 115.4 | 37.6 | 105.7 | 113.1 |
| Return on sales (in %) | 8.5 | 3.4 | 7.4 | 3.9 | 3.5 | 5.8 | 4.9 | 2.6 | 4.1 | 4.1 |
| Return on equity (in %) | 16.5 | 4.8 | 15.9 | 7.3 | 6.8 | 10.9 | 8.9 | 3.2 | 8.6 | 9.6 |
| Foreign sales (in %) | 79.8 | 80.3 | 80.6 | 80.1 | 79.5 | 78.5 | 79.1 | 78.6 | 77.2 | 77.2 |
| in € million | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 | 2014 |
| Cash flow from operating activities | 289.3 | 225.5 | 580.5 | 478.4 | 45.9 | 85.0 | 345.0 | 246.0 | 156.5 | 50.4 |
| Free cash flow | 84.6 | 22.2 | 381.5 | 308.1 | - 138.2 | - 83.9 | 209.6 | 118.5 | 38.8 | - 136.9 |
| Capital expenditure 2 | 207.7 | 200.6 | 194.0 | 187.2 | 183.3 | 160.3 | 130.7 | 122.2 | 128.3 | 173.2 |
| Depreciation and amortization / impairment 3 | 172.5 | 220.4 | 121.0 | 121.4 | 128.8 | 112.7 | 116.2 | 102.8 | 111.3 | 133.3 |
| in € million | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 | 2014 |
| Non-current assets | 1,426.1 | 1,362.2 | 1,389.2 | 1,293.9 | 1,183.0 | 1,066.8 | 995.6 | 1,002.0 | 993.0 | 942.5 |
| thereof: capitalized development costs | 272.0 | 251.4 | 245.6 | 232.5 | 219.2 | 194.3 | 183.2 | 174.9 | 160.9 | 141.8 |
| thereof: property, plant and equipment | 627.2 | 613.8 | 612.2 | 561.6 | 541.8 | 501.5 | 476.2 | 480.5 | 480.7 | 486.2 |
| Current assets | 3,727.7 | 3,204.0 | 2,856.9 | 2,428.6 | 2,348.9 | 2,382.9 | 2,237.1 | 2,135.2 | 2,350.2 | 2,170.6 |
| thereof: inventories | 1,438.6 | 1,348.8 | 926.5 | 905.8 | 1,103.5 | 959.7 | 683.9 | 733.0 | 873.1 | 934.9 |
| thereof: liquidity | 1,268.2 | 1,041.8 | 1,237.9 | 907.7 | 669.7 | 803.4 | 937.7 | 842.4 | 851.3 | 699.2 |
| Equity | 2,104.8 | 1,847.9 | 1,717.1 | 1,464.1 | 1,417.3 | 1,395.5 | 1,293.8 | 1,160.7 | 1,231.0 | 1,183.2 |
| Equity ratio (in %) | 40.8 | 40.5 | 40.4 | 39.3 | 40.1 | 40.5 | 40.0 | 37.0 | 36.8 | 38.0 |
| Non-current liabilities | 1,085.2 | 790.7 | 995.1 | 1,130.2 | 837.7 | 958.4 | 938.8 | 1,060.2 | 981.1 | 656.1 |
| Current liabilities | 1,963.8 | 1,927.6 | 1,533.9 | 1,128.2 | 1,276.9 | 1,095.8 | 1,000.2 | 916.3 | 1,131.1 | 1,273.8 |
| Total assets | 5,153.8 | 4,566.1 | 4,246.1 | 3,722.5 | 3,531.9 | 3,449.7 | 3,232.8 | 3,137.2 | 3,343.2 | 3,113.1 |
| Net liquidity | 410.3 | 430.0 | 480.5 | 148.4 | 19.2 | 197.9 | 320.3 | 124.0 | 46.7 | 82.7 |
| Working capital | 1,619.0 | 1,109.4 | 992.6 | 994.7 | 1,170.0 | 1,012.5 | 839.5 | 892.3 | 1,007.2 | 998.1 |
| Coverage of non-current assets (in %) | 223.7 | 193.7 | 195.2 | 200.5 | 190.6 | 220.7 | 224.2 | 221.6 | 222.8 | 195.2 |
| 2022 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 | 2014 | |
| Number of employees as of the balance sheet date 4 | 12,131 | 12,116 | 11,957 | 11,395 | 11,448 | 11,132 | 10,961 | 11,300 | 11,535 | 11,407 |
| Personnel expenses | 954.1 | 891.5 | 819.8 | 742.2 | 730.3 | 693.0 | 673.5 | 653.3 | 650.6 | 627.0 |
1 Before capitalized, amortized, and impaired development costs.
2 Including capitalized development costs, excluding goodwill.
3 Of intangible assets (excluding goodwill) and property, plant and equipment.
4 Including apprentices.