| In millions, except per share items | Jul-01-17 | Apr-01-17 | Dec-31-16 | Sep-24-16 | Jun-25-16 | Mar-26-16 | Dec-26-15 | Sep-26-15 |
| | 10-Q | 10-Q | 10-K | 10-Q | 10-Q | 10-Q | 10-K | 10-Q |
| Net income | 15.1 | 17.1 | 19.0 | 20.9 | 18.7 | 14.7 | 12.9 | 10.6 |
| Depreciation and amortization | 3.1 | 3.1 | 3.1 | 3.2 | 3.2 | 3.3 | 3.3 | 3.3 |
| Stock-based compensation | 1.1 | 1.0 | 0.9 | 0.9 | 0.9 | 0.8 | 0.8 | 0.7 |
| Deferred taxes | 0.1 | 0.6 | 0.1 | 0.8 | 0.2 | 0.0 | 0.3 | 1.1 |
| Change in working capital [+] | | | 5.8 | | | | -7.7 | |
| Accounts receivable | | | 4.9 | | | | -7.1 | |
| Inventories | | | 0.7 | | | | -2.3 | |
| Accounts payable | | | -1.1 | | | | -1.0 | |
| Other | | | 1.4 | | | | 2.7 | |
| Other operating activities | 0.7 | -15.4 | 0.3 | 6.2 | -1.0 | 12.8 | 0.2 | -8.1 |
| Cash from operations | 26.0 | 12.3 | 29.3 | 24.2 | 14.2 | 23.8 | 9.8 | 4.4 |
| |
| Capital expenditures [+] | -4.0 | -3.9 | -3.7 | -2.8 | -2.5 | -3.4 | -3.9 | -5.3 |
| Purchases of property and equipment | -4.0 | -3.9 | -3.7 | -2.8 | -2.5 | -3.4 | -3.9 | -5.3 |
| Sales of property and equipment | 4.4 | 0.1 | 0.1 | 0.6 | | 0.9 | 0.9 | 0.4 |
| Purchases of short-term investments, net | -1.1 | -1.1 | 0.0 | -0.1 | -0.1 | 0.9 | 0.9 | 0.0 |
| Purchases of short-term investments | -1.2 | -1.1 | -0.1 | -0.1 | -0.1 | -0.1 | -0.1 | -1.1 |
| Sales of short-term investments | | | 0.0 | 0.0 | | | | |
| Other cash from investing | | | 0.0 | 0.0 | | | 0.0 | -0.1 |
| Cash from investing | -0.8 | -4.9 | -3.7 | -2.3 | -2.2 | -1.6 | -2.1 | -5.0 |
| |
| Cash dividends paid | -6.9 | -6.9 | | -6.8 | -6.7 | -6.6 | -1.8 | -1.8 |
| Repurchase of common stock, net | | -0.6 | | | -0.3 | -0.2 | | |
| Option exercises | | 0.1 | | | 0.1 | 0.4 | 0.6 | 0.5 |
| Other cash from financing | -0.6 | -0.5 | -0.5 | -0.4 | -0.3 | -9.0 | 0.5 | 0.4 |
| Cash from financing | -8.1 | -8.1 | -7.7 | -7.5 | -7.4 | -16.2 | -2.0 | -2.1 |
| |
| Free cash flow | 22.0 | 8.4 | 25.5 | 21.4 | 11.7 | 20.5 | 5.9 | -0.9 |
| Per share (diluted) | $1.28 | $0.49 | $1.49 | $1.25 | $0.68 | $1.20 | $0.35 | ($0.05) |
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