| In millions, except per share items | Dec-31-16 | Jan-02-16 | Dec-27-14 | Dec-28-13 | Dec-29-12 | Dec-31-11 | Jan-01-11 | Jan-02-10 |
| | 10-K | 10-K | 10-K | 10-K | 10-K | 10-K | 10-K | 10-K |
| Net income | 146.9 | 189.3 | 201.7 | 224.4 | 173.5 | 142.6 | 112.2 | 49.6 |
| Depreciation and amortization | 150.2 | 132.7 | 113.1 | 93.4 | 79.3 | 71.3 | 69.9 | 70.6 |
| Stock-based compensation | 24.8 | 21.6 | 17.5 | 15.0 | 13.7 | 12.9 | 11.2 | 9.4 |
| Deferred taxes | 36.4 | -20.2 | -11.6 | -8.2 | -15.5 | 35.1 | 19.4 | -9.9 |
| Change in working capital [+] | -61.7 | -114.9 | -171.8 | -53.7 | -108.5 | 33.0 | -142.2 | -59.0 |
| Accounts receivable | -4.4 | -57.4 | -45.9 | -23.2 | -34.8 | -18.5 | -67.0 | 11.6 |
| Inventories | -38.9 | -70.2 | -119.8 | -92.3 | -57.7 | 14.3 | -73.2 | 71.8 |
| Other current assets | -9.0 | -21.8 | -2.2 | 40.4 | 6.4 | -22.8 | 24.1 | -17.0 |
| Income taxes | 2.0 | 30.2 | -62.9 | 8.4 | -50.9 | -5.5 | -34.2 | 17.4 |
| Other | -11.4 | 4.2 | 58.9 | 12.8 | 28.5 | 65.5 | 8.1 | -142.7 |
| Other operating activities | 168.9 | 123.4 | 111.8 | 74.2 | 92.1 | 71.5 | 97.0 | 233.3 |
| Cash from operations | 465.4 | 331.9 | 260.7 | 345.0 | 234.6 | 366.5 | 167.4 | 294.0 |
| |
| Capital expenditures [+] | -150.9 | -412.7 | -440.9 | -333.0 | -214.3 | -126.7 | -75.3 | -49.1 |
| Purchases of property and equipment | -150.9 | -412.7 | -440.9 | -333.0 | -214.3 | -126.7 | -75.3 | -49.1 |
| Sales of property and equipment | 10.0 | | | | | | 3.0 | 11.9 |
| Sales of short-term investments, net [+] | 4.4 | -0.6 | 4.2 | 138.9 | 3.2 | 201.7 | 357.2 | 2.7 |
| Purchases of short-term investments | | -4.8 | -0.6 | | | 0.6 | | |
| Sales of short-term investments | 4.4 | 4.2 | 4.8 | 138.9 | 3.2 | 201.1 | 357.2 | 2.7 |
| Other cash from investing | -692.3 | -365.3 | -829.6 | -598.9 | -401.3 | -607.0 | -632.5 | -71.5 |
| Cash from investing | -828.9 | -778.7 | -1,266.3 | -793.0 | -612.4 | -532.0 | -347.6 | -106.0 |
| |
| Repurchase of common stock, net | | -174.1 | | -10.1 | -29.0 | -20.3 | | |
| Option exercises | 1.2 | -0.9 | -5.0 | -1.1 | 20.7 | 12.9 | 8.2 | 4.3 |
| Financing costs | -3.1 | -4.9 | -2.8 | | | | | |
| Other cash from financing | 309.2 | 797.7 | 946.3 | | | | -257.5 | -11.6 |
| Cash from financing | 311.2 | 629.5 | 954.0 | 358.3 | 361.8 | 333.8 | -265.6 | -15.9 |
| |
| Free cash flow | 314.5 | -80.8 | -180.2 | 12.0 | 20.4 | 239.7 | 92.1 | 244.9 |
| Per share (diluted) | $4.56 | ($1.14) | ($2.51) | $0.17 | $0.28 | $3.36 | $1.33 | $3.63 |