| In millions, except per share items | Dec-31-22 | Jun-30-22 | Mar-31-22 | Dec-31-21 | Sep-30-21 | Jun-30-21 | Mar-31-21 | Dec-31-20 |
| | 8-K | 10-Q | 10-Q | 10-K | 10-Q | 10-Q | 10-Q | 10-K |
| Net income | | 54.1 | 39.3 | -64.1 | 10.8 | 832.1 | 790.0 | 854.0 |
| Depreciation and amortization | | 105.4 | 107.4 | 108.0 | 109.4 | 109.2 | 107.2 | 105.2 |
| Stock-based compensation | | 187.8 | 195.6 | 197.3 | 201.0 | 202.1 | 192.2 | 189.7 |
| Deferred taxes | | -13.4 | -14.1 | -15.6 | -47.8 | -882.9 | -897.3 | -890.0 |
| Change in working capital [+] | | -109.1 | -72.2 | 72.6 | 11.0 | -75.7 | -55.4 | -195.9 |
| Accounts receivable | | -44.4 | -29.5 | 65.6 | 39.4 | -33.6 | 13.2 | -59.0 |
| Inventories | | -42.9 | -27.5 | -35.1 | -7.0 | -8.5 | -46.9 | -61.2 |
| Other current assets | | -16.6 | -21.0 | 29.8 | 12.5 | 32.2 | 52.8 | 18.3 |
| Other | | -5.3 | 5.9 | 12.4 | -34.0 | -65.9 | -74.5 | -94.1 |
| Other operating activities | | -105.8 | -110.4 | 6.3 | -4.4 | 8.7 | 1.7 | -53.2 |
| Cash from operations | | 119.0 | 145.6 | 304.5 | 280.0 | 269.1 | 214.1 | 85.4 |
| |
| Capital expenditures | | -103.4 | -98.9 | -95.6 | -97.9 | -95.7 | -99.3 | -114.3 |
| Purchases of property and equipment | | -103.4 | -98.9 | -95.6 | -97.9 | -95.7 | -99.3 | -114.3 |
| Purchases of intangible assets | | -20.0 | -22.8 | -23.6 | -16.9 | -18.8 | -22.5 | -23.2 |
| Purchases of short-term investments | | 484.6 | 574.4 | 484.6 | 117.4 | 321.7 | -197.1 | 0.0 |
| Purchases of short-term investments | | 484.6 | 574.4 | 484.6 | 117.4 | 321.7 | -197.1 | 0.0 |
| Other cash from investing | | -478.3 | -660.5 | -731.7 | -302.5 | -280.5 | 117.0 | 83.9 |
| Cash from investing | | -117.2 | -207.7 | -366.3 | -299.9 | -73.3 | -201.8 | -53.6 |
| |
| Option exercises | | 51.0 | 51.6 | 49.2 | 44.5 | 52.6 | 67.6 | 71.9 |
| Other cash from financing | | 27.4 | 50.6 | 49.1 | -336.1 | -323.7 | 294.0 | 303.0 |
| Cash from financing | | -23.7 | -1.0 | 0.0 | -380.6 | -376.3 | 176.4 | 181.1 |
| |
| Free cash flow | | 15.6 | 46.7 | 209.0 | 182.1 | 173.4 | 114.8 | -28.9 |
| Per share (diluted) | | $0.08 | $0.25 | $1.14 | $0.98 | $0.91 | $0.61 | ($0.15) |
| |
| Cash paid for interest | | 10.3 | 10.4 | 10.4 | 13.2 | 13.2 | 12.2 | 12.2 |