| In millions, except per share items | Dec-31-22 | Dec-31-21 | Dec-31-20 | Dec-31-19 | Dec-31-18 | Dec-31-17 | Dec-31-16 | Dec-31-15 |
| | 10-K | 10-K | 10-K | 10-K | 10-K | 10-K | 10-K | 10-K |
| Net income | 51.0 | -38.0 | -298.0 | 15.0 | 50.0 | 50.0 | -107.0 | -344.0 |
| Depreciation and amortization [+] | 39.0 | 43.0 | 46.0 | 63.0 | 68.0 | 22.0 | 69.0 | 81.0 |
| Depreciation | 18.0 | 19.0 | 20.0 | 21.0 | 23.0 | 22.0 | 22.0 | 21.0 |
| Amortization of intangible assets | 21.0 | 24.0 | 26.0 | 42.0 | 45.0 | | 47.0 | 60.0 |
| Asset impairment charges | | | 288.0 | 5.0 | | | 45.0 | 462.0 |
| Stock-based compensation | 13.0 | 12.0 | 12.0 | 16.0 | 14.0 | | 12.0 | 10.0 |
| Deferred taxes | -7.0 | -15.0 | -21.0 | -5.0 | -9.0 | | -23.0 | -87.0 |
| Change in working capital [+] | -201.0 | -46.0 | 222.0 | 108.0 | -238.0 | 100.0 | 272.0 | 580.0 |
| Accounts receivable | -128.0 | -61.0 | 141.0 | 127.0 | -74.0 | | 128.0 | 412.0 |
| Inventories | -196.0 | -27.0 | 173.0 | 95.0 | -175.0 | | 141.0 | 419.0 |
| Accounts payable | 90.0 | 60.0 | -98.0 | -79.0 | 27.0 | 93.0 | -13.0 | -198.0 |
| Accrued expenses | 33.0 | -18.0 | -3.0 | -35.0 | -17.0 | | -1.0 | -40.0 |
| Income taxes | 1.0 | 3.0 | 3.0 | 6.0 | 1.0 | 7.0 | 17.0 | -13.0 |
| Other | -1.0 | -3.0 | 6.0 | -6.0 | | | | |
| Other operating activities | 85.0 | 100.0 | 12.0 | 40.0 | 104.0 | -220.0 | -15.0 | -12.0 |
| Cash from operations | -20.0 | 56.0 | 261.0 | 242.0 | -11.0 | -48.0 | 253.0 | 690.0 |
| |
| Capital expenditures [+] | -11.0 | -10.0 | -11.0 | -18.0 | -20.0 | 30.0 | -33.0 | -39.0 |
| Purchases of property and equipment | -11.0 | -10.0 | -11.0 | -18.0 | -20.0 | 30.0 | -33.0 | -39.0 |
| Sales of property and equipment | | 3.0 | 30.0 | 1.0 | 6.0 | 3.0 | 1.0 | 1.0 |
| Other cash from investing | | | | 1.0 | | -60.0 | 48.0 | -3.0 |
| Cash from investing | -11.0 | -7.0 | 19.0 | -16.0 | -14.0 | -27.0 | 16.0 | -41.0 |
| |
| Repurchase of common stock, net | | | | -75.0 | -125.0 | -68.0 | -95.0 | -12.0 |
| Option exercises | | | | | 21.0 | 1.0 | 1.0 | |
| Financing costs | | -3.0 | | | -1.0 | 8.0 | | -1.0 |
| Other cash from financing | 17.0 | -121.0 | -195.0 | -163.0 | 169.0 | 86.0 | -130.0 | -588.0 |
| Cash from financing | 17.0 | -118.0 | -195.0 | -238.0 | 24.0 | 9.0 | -226.0 | -599.0 |
| |
| Free cash flow | -31.0 | 46.0 | 250.0 | 224.0 | -31.0 | -18.0 | 220.0 | 651.0 |
| Per share (diluted) | ($0.37) | $0.56 | $3.05 | $2.67 | ($0.34) | ($0.19) | $2.26 | $6.38 |
| |
| Cash paid for interest | 21.0 | 21.0 | 27.0 | 39.0 | 37.0 | 27.0 | 30.0 | 43.0 |
| Cash paid for income taxes | 35.0 | 15.0 | 3.0 | 34.0 | 39.0 | 35.0 | 11.0 | 90.0 |