| In millions, except per share items | Jun-30-23 | Dec-31-22 | Sep-30-22 | Jun-30-22 | Mar-31-22 | Dec-31-21 | Sep-30-21 | Jun-30-21 |
| | 10-Q | 10-K | 10-Q | 10-Q | 10-Q | 10-K | 10-Q | 10-Q |
| Net income | 0.3 | -10.4 | -292.2 | -622.1 | -4.7 | -23.6 | -9.0 | -11.6 |
| Depreciation and amortization | | 20.9 | 20.0 | 20.1 | 33.9 | 56.8 | 57.4 | 57.7 |
| Asset impairment charges | | | 284.6 | | | | | |
| Stock-based compensation | | 16.5 | 17.9 | 17.4 | 15.3 | 15.3 | 16.0 | 13.7 |
| Deferred taxes | | 3.3 | -1.0 | -2.6 | -6.4 | -14.3 | -17.5 | -8.8 |
| Change in working capital [+] | | 34.9 | -14.7 | 12.0 | -4.8 | -16.5 | -27.8 | 9.5 |
| Accounts receivable | | -4.5 | -11.2 | 12.2 | -3.3 | -13.4 | -13.4 | 21.3 |
| Other current assets | | -8.6 | -26.9 | -1.5 | 8.1 | -4.4 | -6.3 | 6.3 |
| Accounts payable | | 4.4 | 2.1 | 0.4 | -0.1 | -6.3 | 3.4 | -6.9 |
| Accrued expenses | | 6.8 | 22.9 | 4.5 | -8.5 | 5.9 | -7.3 | 5.3 |
| Other | | 36.8 | -1.6 | -3.7 | -0.9 | 1.7 | -4.3 | -16.5 |
| Other operating activities | | -17.3 | 10.6 | 616.4 | 6.9 | 18.5 | 14.7 | -28.1 |
| Cash from operations | 0.3 | 47.8 | 25.3 | 41.2 | 40.3 | 36.1 | 33.7 | 32.2 |
| |
| Capital expenditures | 0.0 | -1.9 | -2.0 | -2.4 | -1.2 | -2.3 | -1.6 | -2.0 |
| Purchases of property and equipment | | -1.9 | -2.0 | -2.4 | -1.2 | -2.3 | -1.6 | -2.0 |
| Purchases of intangible assets | | -2.2 | -3.6 | -4.4 | -3.1 | -1.6 | -1.5 | -0.6 |
| Acquisitions | | | | | -6.5 | | | |
| Other cash from investing | | 23.9 | 4.9 | -55.9 | | | | |
| Cash from investing | 0.0 | 19.8 | -0.7 | -62.6 | -10.8 | -3.9 | -3.1 | -2.6 |
| |
| Cash dividends paid | | | | | | | -237.2 | |
| Repurchase of common stock, net | | -2.0 | -1.2 | -1.5 | -6.4 | -3.5 | -0.7 | -1.5 |
| Option exercises | | 0.0 | 1.4 | 0.0 | 1.8 | 0.1 | 2.7 | 0.4 |
| Financing costs | | | | | | 0.2 | -0.2 | |
| Other cash from financing | | -386.3 | -302.1 | -4.9 | -1.4 | -4.7 | 504.4 | -4.2 |
| Cash from financing | 0.0 | -388.4 | -304.8 | -6.5 | -9.6 | -8.5 | 264.1 | -6.1 |
| |
| Free cash flow | 0.3 | 45.9 | 23.2 | 38.8 | 39.1 | 33.9 | 32.1 | 30.3 |
| Per share (diluted) | $0.00 | $0.29 | $0.14 | $0.24 | $0.24 | $0.21 | $0.20 | $0.19 |
| |
| Cash paid for interest | | 25.0 | 23.7 | 17.0 | 13.9 | 14.0 | 14.1 | 14.0 |
| Cash paid for income taxes | | 7.9 | 5.8 | 13.2 | 6.3 | 5.7 | 2.4 | 21.3 |