| In millions, except per share items | Apr-30-16 | Apr-30-15 | Apr-30-14 | Apr-30-13 | Apr-30-12 | Apr-30-11 | Apr-30-10 | Apr-30-09 |
| | 10-K | 10-K | 10-K | 8-K | 10-K | 10-K | 10-K | 10-K |
| Net income | 10.2 | 8.1 | 10.3 | 10.4 | 11.3 | 7.4 | 5.7 | 3.0 |
| Depreciation and amortization | 5.6 | 5.8 | 2.6 | | | 4.3 | 2.2 | 3.5 |
| Depreciation | | | | 1.6 | 0.5 | | | |
| Stock-based compensation | 1.6 | 1.5 | 1.5 | | | 1.3 | 1.0 | 0.8 |
| Tax benefit from stock-based compensation | | -0.4 | -0.6 | | | -0.6 | -0.1 | -0.1 |
| Deferred taxes | -0.3 | -0.7 | 1.0 | | | -0.1 | 0.6 | -0.9 |
| Change in working capital [+] | -1.1 | 3.7 | 1.4 | | | 0.6 | 1.0 | 2.4 |
| Accounts receivable | -0.9 | -0.4 | -1.6 | | | -1.3 | 2.5 | 2.6 |
| Other | -0.2 | 4.1 | 3.0 | | | 1.9 | -1.5 | -0.2 |
| Other operating activities | 2.3 | -8.1 | 2.1 | | | 3.4 | -12.2 | -1.0 |
| Cash from operations | 18.3 | 10.0 | 18.3 | | | 16.3 | -1.9 | 7.8 |
| |
| Capital expenditures | -0.7 | -1.0 | -0.3 | | | -0.4 | -0.6 | -1.0 |
| Purchases of property and equipment | -0.7 | -1.0 | -0.3 | | | -0.4 | -0.6 | -1.0 |
| Acquisitions | | -7.9 | -1.2 | | | | -3.3 | |
| Sales of short-term investments, net [+] | | | 0.2 | | | 5.8 | 13.3 | -16.1 |
| Purchases of short-term investments | | | | | | | | -100.5 |
| Sales of short-term investments | | | 0.2 | | | 5.8 | 13.3 | 84.4 |
| Other cash from investing | -3.2 | -2.7 | -2.9 | | | -2.7 | -2.4 | -2.3 |
| Cash from investing | -3.9 | -11.7 | -4.2 | | | 2.7 | 7.1 | -19.4 |
| |
| Cash dividends paid | -11.5 | -11.3 | -5.5 | | | -9.5 | -9.1 | -9.1 |
| Repurchase of common stock, net | -0.2 | -1.1 | | | | | -0.2 | -1.4 |
| Other cash from financing | 1.6 | 2.9 | 6.1 | | | 5.7 | -11.8 | 0.6 |
| Cash from financing | -10.0 | -9.5 | 0.5 | | | -3.8 | -21.1 | -10.0 |
| |
| Free cash flow | 17.6 | 9.0 | 18.1 | | | 15.9 | -2.4 | 6.8 |
| Per share (diluted) | $0.61 | $0.31 | $0.64 | | | $0.61 | ($0.09) | $0.26 |
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