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 | 60.8 | 69.5 | 6.6 | 43.6 | 30.4 | 18.7 | 20.4 | 25.1 |
Depreciation and amortization [+] | 10.2 | 1.6 | 4.6 | 2.8 | 9.0 | 8.4 | 8.4 | 6.6 |
Depreciation | 4.1 | -3.8 | -2.4 | -3.2 | 6.7 | 5.3 | 4.5 | 3.3 |
Amortization of intangible assets | 6.1 | 5.4 | 7.0 | 5.9 | 2.3 | 3.1 | 4.0 | 3.3 |
Asset impairment charges | 0.7 | 0.3 | 31.8 | 0.1 | 0.0 | 0.1 | 0.7 | |
Stock-based compensation | 2.5 | 2.2 | 1.4 | 1.2 | 1.0 | 0.9 | 0.7 | 0.6 |
Deferred taxes | 4.3 | 1.8 | -5.2 | 2.7 | -0.7 | 0.7 | -2.9 | 1.3 |
Change in working capital | 38.5 | -8.0 | 3.5 | -6.0 | 4.5 | -1.5 | 15.9 | -9.6 |
Other | 38.5 | -8.0 | 3.5 | -6.0 | 4.5 | -1.5 | 15.9 | -9.6 |
Other operating activities | -26.8 | 44.3 | -33.5 | 2.9 | -1.6 | 13.8 | -5.1 | 8.8 |
Cash from operations | 90.3 | 111.6 | 9.2 | 47.3 | 42.8 | 41.1 | 38.2 | 32.7 |
|
Capital expenditures [+] | -2.7 | -2.0 | -2.1 | -2.2 | -5.6 | -5.0 | -5.6 | -14.9 |
Purchases of property and equipment | -2.7 | -2.0 | -2.1 | -2.2 | -5.6 | -5.0 | -5.6 | -14.9 |
Sales of property and equipment | 0.0 | 0.6 | 0.7 | 0.1 | 0.7 | 0.0 | 2.3 | 1.1 |
Acquisitions | | | | | | | | -35.6 |
Purchases of short-term investments, net | -114.4 | -680.9 | -844.9 | -71.7 | 26.7 | 44.1 | -45.5 | 166.9 |
Purchases of short-term investments | -386.3 | -1,138.0 | -1,139.7 | -289.7 | -61.5 | -62.8 | -165.6 | -25.4 |
Sales of short-term investments | 271.8 | 457.1 | 294.8 | 218.1 | 88.2 | 106.9 | 120.1 | 192.3 |
Other cash from investing | -156.2 | 254.0 | -21.1 | 146.5 | -116.2 | -187.9 | -74.7 | -112.5 |
Cash from investing | -273.3 | -428.3 | -867.4 | 72.7 | -94.4 | -148.8 | -123.6 | 5.0 |
|
Cash dividends paid | -14.9 | -14.3 | -14.2 | -11.5 | -9.5 | -8.1 | -7.3 | -6.3 |
Issuance of common stock, net | -2.7 | -11.6 | -4.6 | -4.7 | -2.1 | 25.7 | | 7.9 |
Option exercises | | | | | 0.1 | 0.0 | 0.0 | 0.2 |
Other cash from financing | 83.1 | 463.8 | 886.3 | -75.9 | 58.0 | 97.8 | 88.9 | -15.4 |
Cash from financing | 65.5 | 437.9 | 867.5 | -92.1 | 46.2 | 115.4 | 81.5 | -14.0 |
|
Free cash flow | 87.7 | 109.5 | 7.0 | 45.1 | 37.2 | 36.1 | 32.6 | 17.8 |
Per share (diluted) | $5.58 | $6.89 | $0.44 | $3.03 | $3.04 | $2.99 | $2.84 | $1.72 |
|
Cash paid for interest | 27.8 | 21.5 | 31.6 | 34.1 | 22.4 | 15.2 | 12.8 | 10.0 |
Cash paid for income taxes | 13.2 | 18.0 | 10.5 | 7.3 | 6.2 | 13.2 | 8.0 | 7.7 |