| In millions, except per share items | Jun-25-23 | Jun-26-22 | Jun-27-21 | Jun-28-20 | Jun-30-19 | Jun-24-18 | Jun-25-17 | Jun-26-16 |
| | 10-K | 10-K | 10-K | 10-K | 10-K | 10-K | 10-K | 10-K |
| Revenue, net | 921.9 | 746.2 | 525.6 | 470.7 | 538.2 | 924.9 | 771.5 | 1,616.6 |
| Revenue, net growth | 23.5% | 42.0% | 11.7% | -12.5% | -41.8% | 19.9% | -52.3% | -1.0% |
| Cost of revenue, net | 642.4 | 496.9 | 361.0 | 312.2 | 294.5 | 622.9 | 527.5 | |
| Gross profit | 279.5 | 249.3 | 164.6 | 158.5 | 243.7 | 302.0 | 244.0 | 487.1 |
| Gross margin | 30.3% | 33.4% | 31.3% | 33.7% | 45.3% | 32.7% | 31.6% | 30.1% |
| |
| Operating expenses: | | | | | | | | |
| Research and development | 225.4 | 196.4 | 177.8 | 152.0 | 121.1 | 127.3 | 113.8 | 168.8 |
| Sales, general and administrative | 235.3 | 203.5 | 181.6 | 181.7 | 168.9 | 170.3 | 145.7 | 283.1 |
| Factory start-up costs | 160.2 | 70.0 | 8.0 | | | | | |
| Amortization or impairment of acquisition-related intangibles | 10.9 | 13.6 | 14.5 | 14.5 | 15.6 | 7.2 | 3.4 | 28.7 |
| |
| Abandonment of long-lived assets | | | | | | | | |
| Loss (gain) on disposal or impairment of other assets | 2.0 | -0.3 | 1.6 | 1.5 | 5.0 | | | 16.9 |
| Other operating expense | 26.3 | 13.9 | 21.1 | 32.9 | 26.6 | 16.8 | -0.6 | |
| Operating loss | -380.6 | -247.8 | -313.9 | -224.1 | -93.5 | -28.0 | -20.1 | -10.5 |
| Operating margin | -41.3% | -33.2% | -59.7% | -47.6% | -17.4% | -3.0% | -2.6% | -0.6% |
| Non-operating (income) expense, net | -52.1 | 38.3 | 26.3 | -18.5 | 29.4 | -10.4 | 13.0 | 13.0 |
| Loss before income taxes | -328.5 | -286.1 | -340.2 | -205.6 | -122.9 | -17.6 | -7.1 | |
| Income tax expense | 1.4 | 9.0 | 1.1 | -8.0 | -4.4 | -1.2 | 81.0 | -2.0 |
| Net loss from continuing operations | -329.9 | -295.1 | -341.3 | -197.6 | -118.5 | -16.4 | -88.1 | -21.5 |
| Net income (loss) from discontinued operations | | 94.2 | -181.2 | 7.0 | -256.6 | -263.5 | -10.0 | |
| Net loss | -329.9 | -200.9 | -522.5 | -190.6 | -375.1 | -279.9 | -98.1 | -21.5 |
| Net income from discontinued operations attributable to noncontrolling interest | | | -1.4 | -1.1 | | -0.1 | | |
| Net loss attributable to controlling interest | -329.9 | -200.9 | -523.9 | -191.7 | -375.1 | -280.0 | -98.1 | -21.5 |
| |
| Basic and diluted loss per share | | | | | | | | |
| Continuing operations- basic (USD per share) | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | |
| Continuing operations - diluted (USD per share) | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | |
| |
| Net loss attributable to controlling interest - basic (USD per share) | ($2.65) | ($1.67) | ($4.66) | ($1.78) | ($3.62) | ($2.81) | ($1.00) | ($0.21) |
| Net loss attributable to controlling interest - diluted (USD per share) | ($2.65) | ($1.67) | ($4.66) | ($1.78) | ($3.62) | ($2.81) | ($1.00) | ($0.21) |
| |
| Weighted average shares - basic (shares) | 124.4 | 120.1 | 112.3 | 107.9 | 103.6 | 99.5 | 98.5 | 101.8 |
| Weighted average shares - diluted (shares) | 124.4 | 120.1 | 112.3 | 107.9 | 103.6 | 99.5 | 98.5 | 101.8 |