| In millions, except per share items | Jul-01-17 | Apr-01-17 | Dec-31-16 | Oct-01-16 | Jul-02-16 | Apr-02-16 | Jan-02-16 | Sep-26-15 |
| | 10-Q | 10-Q | 10-K | 10-Q | 10-Q | 10-Q | 10-K | 10-Q |
| Net income | 28.3 | 19.1 | 58.1 | 28.2 | 37.8 | 22.9 | 78.8 | 43.7 |
| Depreciation and amortization | 38.2 | 38.3 | 37.9 | 37.6 | 39.0 | 35.7 | 35.2 | 34.4 |
| Stock-based compensation | 4.6 | 6.0 | 6.0 | 6.2 | 6.1 | 6.4 | 5.6 | 5.6 |
| Deferred taxes | -3.8 | 1.3 | 47.3 | -9.2 | -4.0 | 2.3 | -23.7 | -4.0 |
| Change in working capital [+] | 63.1 | -2.9 | -20.0 | -34.6 | 39.2 | -46.3 | 139.1 | -173.2 |
| Accounts receivable | -0.4 | 118.3 | -114.1 | -9.4 | -4.9 | 124.1 | -146.7 | -23.5 |
| Inventories | 33.0 | -33.6 | 135.2 | -110.5 | 17.6 | -81.2 | 245.6 | -171.8 |
| Other current assets | -5.1 | 7.4 | -0.2 | -6.8 | 2.0 | -3.9 | 12.7 | -20.2 |
| Income taxes | 15.3 | 7.9 | -29.5 | 13.9 | 13.2 | 4.3 | 70.5 | -15.8 |
| Other | 20.3 | -102.9 | -11.4 | 78.2 | 11.4 | -89.6 | -43.2 | 58.2 |
| Other operating activities | 50.1 | 13.2 | 93.6 | 37.2 | 33.8 | 4.4 | 82.2 | 26.3 |
| Cash from operations | 180.5 | 75.1 | 222.8 | 65.4 | 151.8 | 25.4 | 317.2 | -67.1 |
| |
| Capital expenditures [+] | -19.7 | -26.3 | -24.6 | -27.1 | -37.9 | -61.4 | -70.6 | -121.1 |
| Purchases of property and equipment | -19.7 | -26.3 | -24.6 | -27.1 | -37.9 | -61.4 | -70.6 | -121.1 |
| Sales of property and equipment | 1.9 | 2.1 | | | | | | |
| Purchases of short-term investments | | | | | | | -4.8 | |
| Purchases of short-term investments | | | | | | | -4.8 | |
| Other cash from investing | -274.4 | 275.2 | -59.9 | -458.3 | -313.6 | 153.9 | -393.7 | -188.6 |
| Cash from investing | -292.2 | 251.1 | -84.5 | -485.4 | -351.5 | 92.6 | -469.0 | -309.8 |
| |
| Repurchase of common stock, net | | | | | | | -66.1 | -161.3 |
| Option exercises | | | 0.1 | 1.1 | | | -4.6 | 3.6 |
| Financing costs | | | | -3.1 | | | -4.9 | |
| Other cash from financing | 19.0 | -332.2 | -9.3 | 13.4 | 599.0 | -294.0 | 444.3 | 483.7 |
| Cash from financing | 19.0 | -332.2 | -9.3 | 15.5 | 599.0 | -294.0 | 387.7 | 318.8 |
| |
| Free cash flow | 160.8 | 48.8 | 198.2 | 38.3 | 113.9 | -36.0 | 246.6 | -188.2 |
| Per share (diluted) | $2.32 | $0.70 | $2.87 | $0.55 | $1.65 | ($0.52) | $3.47 | ($2.66) |