In millions, except per share items | Dec-31-19 | Dec-31-18 | Dec-31-17 | Dec-31-16 | Dec-31-15 | Dec-31-14 | Dec-31-13 | Dec-31-12 |
| 10-K | 10-K | 10-K | 10-K | 10-K | 10-K | 10-K | 10-K |
Net income | -18.6 | 0.1 | 4.4 | 8.0 | 21.2 | -69.0 | 12.3 | 12.0 |
Depreciation and amortization | 38.2 | 37.4 | 40.8 | 43.7 | 47.9 | 47.3 | 49.1 | 49.4 |
Asset impairment charges | 7.2 | 2.1 | 6.5 | 0.7 | 46.1 | 4.7 | 0.7 | 3.4 |
Stock-based compensation | 3.6 | 2.6 | 1.9 | 1.8 | 1.4 | 1.9 | 2.2 | 1.3 |
Deferred taxes | | -0.2 | 0.0 | | -11.5 | 40.1 | 6.1 | 5.9 |
Change in working capital [+] | 0.9 | 15.3 | -9.8 | -4.0 | 4.4 | 15.3 | -0.3 | -7.6 |
Accounts receivable | 0.1 | -0.8 | -1.0 | 0.8 | 1.4 | 0.0 | 2.9 | -0.6 |
Inventories | | | 0.2 | 0.1 | 0.2 | -0.1 | 0.0 | -0.1 |
Other current assets | 0.9 | 8.9 | -9.2 | 3.0 | 0.6 | -1.5 | -1.3 | -0.4 |
Deferred revenues | | | | -5.5 | 1.1 | 3.3 | -5.3 | -4.2 |
Other | 0.0 | 7.3 | 0.1 | -2.3 | 1.0 | 13.7 | 3.5 | -2.2 |
Other operating activities | -0.7 | 6.7 | -15.6 | -29.2 | -84.6 | -35.6 | -2.8 | -4.3 |
Cash from operations | 30.6 | 64.1 | 28.2 | 21.2 | 24.9 | 4.8 | 67.4 | 60.1 |
|
Capital expenditures [+] | -16.2 | -15.9 | -22.8 | -19.7 | -30.5 | -42.1 | -30.9 | -22.5 |
Purchases of property and equipment | -16.2 | -11.9 | -22.8 | -19.7 | -30.5 | -42.1 | -30.9 | -22.5 |
Capitalized product costs | | -4.0 | | | | | | |
Acquisitions | -21.7 | -31.3 | -18.2 | | | | -2.9 | |
Other cash from investing | | 0.1 | -0.5 | -0.3 | -1.1 | | | |
Cash from investing | -37.9 | -47.0 | -41.5 | -20.0 | -31.6 | -42.1 | -30.6 | -22.5 |
|
Cash dividends paid | | 0.0 | 0.0 | -0.1 | -0.2 | -7.9 | -4.1 | -70.3 |
Option exercises | 0.0 | 0.0 | 0.1 | 0.3 | 0.3 | 0.1 | 0.6 | 2.4 |
Financing costs | | -0.2 | | | -0.4 | | -0.8 | -0.1 |
Other cash from financing | -21.8 | 2.4 | -1.9 | -31.4 | -10.4 | 65.5 | 3.0 | 24.8 |
Cash from financing | -21.8 | 2.6 | -2.0 | -31.8 | -10.5 | 57.5 | -1.0 | -47.7 |
|
Free cash flow | 14.4 | 52.2 | 5.4 | 1.5 | -5.6 | -37.3 | 36.5 | 37.6 |
Per share (diluted) | $0.54 | $1.84 | $0.21 | $0.06 | ($0.22) | ($1.54) | | $1.56 |
|
Cash paid for interest | 11.8 | 12.1 | 11.2 | 12.3 | 16.7 | 17.1 | 19.7 | 23.7 |
Cash paid for income taxes | 0.0 | 13.6 | 1.6 | 7.0 | 7.8 | | 0.4 | |