| In millions, except per share items | Dec-31-21 | Dec-31-20 | Dec-31-19 |
| | 10-K | 10-K | 10-K |
| Net income | 102.1 | -520.6 | 9.7 |
| Depreciation and amortization [+] | 405.1 | 395.3 | 389.9 |
| Depreciation | 64.9 | 60.6 | 55.8 |
| Amortization of intangible assets | 340.2 | 334.7 | 334.1 |
| Stock-based compensation | 18.0 | 406.1 | -14.9 |
| Deferred taxes | -81.9 | -45.0 | -111.4 |
| Change in working capital [+] | -37.0 | 38.9 | 15.8 |
| Accounts receivable | -33.8 | 14.8 | 5.3 |
| Other current assets | -7.0 | -7.5 | -8.8 |
| Other | 3.8 | 31.6 | 19.4 |
| Other operating activities | -1.6 | 102.8 | -4.8 |
| Cash from operations | 404.7 | 377.4 | 284.3 |
| |
| Capital expenditures | -84.6 | -70.8 | -66.4 |
| Purchases of property and equipment | -84.6 | -70.8 | -66.4 |
| Acquisitions | -149.4 | -140.0 | |
| Other cash from investing | 5.6 | | |
| Cash from investing | -228.4 | -210.8 | -66.4 |
| |
| Repurchase of common stock, net | -100.0 | -101.1 | |
| Financing costs | | -23.5 | |
| Other cash from financing | -14.7 | 16.0 | -201.1 |
| Cash from financing | -114.7 | -61.6 | -201.1 |
| |
| Free cash flow | 320.1 | 306.6 | 217.9 |
| Per share (diluted) | $0.49 | $0.65 | $0.52 |
| |
| Cash paid for interest | -231.0 | -312.3 | -363.9 |
| Cash paid for income taxes | -131.5 | -3.9 | -114.6 |