| In millions, except per share items | Sep-30-18 | Jun-30-18 | Mar-31-18 | Dec-31-17 | Sep-30-17 | Jun-30-17 | Mar-31-17 | Dec-31-16 |
| | 10-Q | 10-Q | 10-Q | 10-K | 10-Q | 10-Q | 10-Q | 10-K |
| Net income | 32.8 | 51.0 | 51.0 | 51.0 | 89.9 | 57.1 | 25.9 | 0.0 |
| Depreciation and amortization [+] | -40.9 | -25.1 | -8.3 | 0.4 | -9.7 | 37.5 | 40.3 | 45.4 |
| Depreciation | 0.4 | 0.4 | 0.4 | 0.4 | 0.4 | 0.9 | 0.8 | 0.7 |
| Amortization of intangible assets | 13.5 | 29.3 | 46.1 | 54.8 | 54.8 | 101.5 | 83.4 | 64.9 |
| Asset impairment charges | 18.6 | | | 18.5 | 53.8 | | | 56.1 |
| Stock-based compensation | 1.9 | 2.0 | 2.1 | 2.5 | 2.6 | 4.1 | 3.5 | 2.7 |
| Deferred taxes | | | | -0.2 | | | | -0.2 |
| Change in working capital [+] | 1.8 | -9.9 | -18.3 | -16.7 | 4.2 | 31.8 | 38.5 | 25.3 |
| Accounts receivable | 9.5 | 10.0 | -6.0 | 5.4 | -3.6 | 16.5 | 30.7 | 11.0 |
| Inventories | 6.3 | 3.4 | 2.0 | 2.4 | 0.2 | 1.6 | 2.6 | 2.3 |
| Accounts payable | 0.6 | -4.7 | -2.3 | -2.1 | -3.9 | -7.1 | -9.7 | -8.0 |
| Other | -14.6 | -18.5 | -12.0 | -22.4 | 11.6 | 20.8 | 14.9 | 19.9 |
| Other operating activities | -36.1 | -41.1 | -50.3 | -61.4 | -143.3 | -191.3 | -160.7 | -128.4 |
| Cash from operations | -22.1 | -4.8 | -5.4 | -5.9 | -2.8 | -4.9 | 3.5 | 1.0 |
| |
| Capital expenditures [+] | -0.2 | -0.1 | 0.0 | 0.0 | 0.0 | -1.9 | -1.9 | -1.7 |
| Purchases of property and equipment | -0.2 | -0.1 | 0.0 | 0.0 | 0.0 | | -1.9 | -1.7 |
| Sales of property and equipment | | 0.4 | | | | | | |
| Acquisitions | -69.2 | | | | | | | -0.6 |
| Other cash from investing | | | | 2.0 | | | | |
| Cash from investing | -66.9 | 2.3 | 2.0 | 2.0 | 0.0 | 0.0 | 0.0 | -0.3 |
| |
| Repurchase of common stock, net | | 0.5 | | 0.0 | -17.2 | | | -11.4 |
| Financing costs | | | -13.8 | -13.6 | -13.6 | | | |
| Other cash from financing | 86.7 | -6.2 | -6.2 | -13.2 | 5.2 | 1.4 | 1.4 | -1.7 |
| Cash from financing | 86.2 | 8.1 | 7.6 | 0.4 | 1.6 | -9.9 | -9.9 | -13.0 |
| |
| Free cash flow | -22.3 | -5.0 | -5.4 | -6.0 | -2.9 | -6.8 | 1.5 | -0.7 |
| Per share (diluted) | ($1.86) | ($0.39) | ($0.44) | ($0.50) | ($0.26) | ($0.74) | $0.19 | ($0.10) |
| |
| Cash paid for interest | 27.6 | 28.2 | 28.8 | 28.5 | 28.8 | 29.1 | 26.2 | 27.3 |
| Cash paid for income taxes | 0.0 | 0.0 | -0.3 | -0.9 | -2.2 | -5.9 | -5.7 | -4.9 |