| In millions, except per share items | Jan-01-22 | Oct-02-21 | Jul-03-21 | Apr-03-21 | Jan-02-21 | Sep-26-20 | Jun-27-20 | Mar-28-20 |
| | 10-Q | 10-Q | 10-Q | 8-K | 10-Q | 10-Q | 10-Q | 10-K |
| Net revenues | 1,011.1 | 935.8 | 878.6 | 851.0 | 803.4 | 766.5 | 726.7 | 756.2 |
| Net revenues growth | 25.8% | 22.1% | 20.9% | 12.5% | 11.0% | -8.0% | -14.5% | -8.7% |
| Cost of revenues: | | | | | | | | |
| Cost of products sold | 275.5 | 293.3 | 283.4 | 272.9 | 249.5 | 218.1 | 226.1 | |
| Amortization of acquisition-related intangibles | 10.1 | 10.2 | 9.1 | | 6.9 | 6.7 | 6.7 | |
| Total cost of revenues | 285.5 | 303.5 | 292.5 | | 256.4 | 224.8 | 232.8 | 205.3 |
| Gross margin | 725.5 | 632.3 | 586.1 | 570.4 | 547.0 | 541.7 | 493.9 | 528.4 |
| Gross margin | 71.8% | 67.6% | 66.7% | 67.0% | 68.1% | 70.7% | 68.0% | 69.9% |
| |
| Operating expenses: | | | | | | | | |
| Research and development | 288.0 | 253.9 | 248.0 | 239.9 | 235.0 | 219.6 | 210.1 | 215.0 |
| Selling, general and administrative | 125.4 | 126.3 | 124.9 | 127.9 | 136.7 | 113.8 | 105.4 | 103.7 |
| Amortization of acquisition-related intangibles | 2.0 | 2.3 | 2.8 | 10.6 | 2.9 | 2.9 | 2.9 | 100.9 |
| Total operating expenses | 415.4 | 382.5 | 375.7 | 749.0 | 374.6 | 336.3 | 318.4 | 1,771.0 |
| Operating income | 310.1 | 249.8 | 210.4 | 199.8 | 172.4 | 205.4 | 175.5 | 178.0 |
| Operating margin | 30.7% | 26.7% | 23.9% | 23.5% | 21.5% | 26.8% | 24.2% | 23.5% |
| Interest and other income (expense), net | 25.3 | -9.2 | | | 3.7 | -10.8 | | |
| Income before income taxes | 335.4 | 240.6 | | | 176.1 | 194.6 | | |
| Provision for income taxes | 35.3 | 6.1 | 5.0 | 7.7 | 5.2 | 0.8 | 69.5 | 27.5 |
| Net income | 300.1 | 234.5 | 206.3 | 187.9 | 171.0 | 193.8 | 93.8 | 162.3 |
| |
| Net income per common share: | | | | | | | | |
| Basic (in dollars per share) | $1.21 | $0.95 | $0.84 | $0.76 | $0.70 | $0.79 | $0.39 | $0.65 |
| Diluted (in dollars per share) | $1.19 | $0.94 | $0.83 | $0.75 | $0.69 | $0.79 | $0.38 | $0.64 |
| |
| Cash dividends per common share (in dollars per share) | $0.37 | | | | $0.38 | $0.38 | $0.38 | |
| |
| Shares used in per share calculations: | | | | | | | | |
| Basic (in shares) | 248.0 | 247.8 | 245.9 | 245.8 | 245.1 | 244.8 | 243.2 | 251.7 |
| Diluted (in shares) | 252.0 | 250.5 | 249.3 | 249.0 | 248.1 | 246.8 | 245.5 | 254.9 |