| Sep 30,
2012 | Sep 30,
2013 | Sep 30,
2014 | Sep 30,
2015 | Sep 30,
2016 | Sep 30,
2017 | Sep 30,
2018 | Sep 30,
2019 | Sep 30,
2020 | Sep 30,
2021 | Sep 30,
2022 | Sep 30,
2023 |
|---|
| Products | - | - | - | - | - | - | - | 504 | 574 | 181 | 181 | 277 |
|---|
| Services | - | - | - | - | - | - | - | 277 | 323 | 333 | 375 | 388 |
|---|
| Total revenue | 519 | 451 | 483 | 553 | 560 | 693 | 632 | 781 | 897 | 514 | 555 | 665 |
|---|
| Products | - | - | - | - | - | - | - | 302 | 337 | 97 | 100 | 186 |
|---|
| Services | - | - | - | - | - | - | - | 162 | 180 | 173 | 200 | 216 |
|---|
| Total cost of revenue | - | - | - | - | - | - | 385 | 465 | 517 | 270 | 300 | 402 |
|---|
| Gross profit | 173 | 146 | 167 | 189 | 198 | 267 | 246 | 316 | 380 | 244 | 256 | 263 |
|---|
| Research and development | 47 | 49 | 53 | 52 | 52 | 47 | 47 | 56 | 59 | 22 | 28 | 34 |
|---|
| Selling, general and administrative | 101 | 100 | 111 | 115 | 130 | 153 | 167 | 212 | 241 | 252 | 252 | 316 |
|---|
| Restructuring charges | 3 | - | - | - | - | 3 | 1 | 2 | 1 | 0 | 1 | 5 |
|---|
| Contingent consideration - fair value adjustments | - | - | - | - | - | - | - | - | - | - | - | -19 |
|---|
| Total operating expenses | 164 | 155 | 170 | 172 | 194 | 203 | 215 | 270 | 302 | 275 | 280 | 336 |
|---|
| Restructuring charges | 3 | - | - | - | - | 3 | 1 | 2 | 1 | 0 | 1 | 5 |
|---|
| Total operating expenses | 164 | 155 | 170 | 172 | 194 | 203 | 215 | 270 | 302 | 275 | 280 | 336 |
|---|
| Operating loss | 10 | -9 | -3 | 17 | 4 | 64 | 31 | 46 | 78 | -31 | -25 | -73 |
|---|
| Interest income | - | - | - | - | - | 0 | 2 | 1 | 1 | 1 | 20 | 44 |
|---|
| Interest income | - | - | - | - | - | 0 | 2 | 1 | 1 | 1 | 20 | 44 |
|---|
| Interest expense | 0 | 0 | 0 | 0 | 0 | 0 | 10 | 22 | 3 | 2 | 5 | - |
|---|
| Loss on extinguishment of debt | - | - | - | - | - | - | - | -14 | - | - | -1 | - |
|---|
| Other, net | 1 | 1 | 0 | 0 | -1 | -1 | -3 | -1 | -1 | -16 | -0 | -1 |
|---|
| Interest expense | 0 | 0 | 0 | 0 | 0 | 0 | 10 | 22 | 3 | 2 | 5 | - |
|---|
| Loss before income taxes | 11 | -7 | -2 | 18 | 4 | 65 | 20 | 9 | 75 | -49 | -10 | -30 |
|---|
| Loss on extinguishment of debt | - | - | - | - | - | - | - | -14 | - | - | -1 | - |
|---|
| Income tax (benefit) expense | -123 | -2 | -2 | 3 | 76 | 12 | -47 | -0 | 10 | -20 | 1 | -18 |
|---|
| Other, net | 1 | 1 | 0 | 0 | -1 | -1 | -3 | -1 | -1 | -16 | -0 | -1 |
|---|
| Loss from continuing operations | - | - | 2 | 14 | -69 | - | 68 | 10 | 65 | -29 | -11 | -13 |
|---|
| Loss before income taxes | 11 | -7 | -2 | 18 | 4 | 65 | 20 | 9 | 75 | -49 | -10 | -30 |
|---|
| Income (loss) from discontinued operations, net of tax | - | - | 30 | - | - | - | 49 | 428 | -0 | 140 | 2,144 | -1 |
|---|
| Income tax (benefit) expense | -123 | -2 | -2 | 3 | 76 | 12 | -47 | -0 | 10 | -20 | 1 | -18 |
|---|
| Net income (loss) | 137 | -2 | 32 | 14 | -69 | 63 | 117 | 437 | 65 | 111 | 2,133 | -14 |
|---|
| Loss from continuing operations | - | - | 2 | 14 | -69 | - | 68 | 10 | 65 | -29 | -11 | -13 |
|---|
| Loss from continuing operations (in dollars per share) | - | - | 0.02 | 0.21 | -1.01 | - | 0.96 | 0.13 | 0.88 | -0.39 | -0.15 | -0.19 |
|---|
| Income (loss) from discontinued operations, net of tax (in dollars per share) | - | - | - | - | - | - | 0.69 | 5.95 | - | 1.88 | 28.63 | -0.02 |
|---|
| Net income (loss) per share (in dollars per share) | 2.1 | -0.03 | 0.47 | 0.21 | -1.01 | 0.9 | 1.65 | 6.08 | 0.88 | 1.49 | 28.48 | -0.22 |
|---|
| Income (loss) from discontinued operations, net of tax | - | - | 30 | - | - | - | 49 | 428 | -0 | 140 | 2,144 | -1 |
|---|
| Loss from continuing operations (in dollars per share) | - | - | 0.02 | 0.21 | -1.01 | - | 0.95 | 0.13 | 0.88 | -0.39 | -0.15 | -0.19 |
|---|
| Income (loss) from discontinued operations, net of tax (in dollars per share) | - | - | - | - | - | - | 0.69 | 5.91 | - | 1.88 | 28.63 | -0.02 |
|---|
| Diluted net income (loss) per share (in dollars per share) | 2.08 | -0.03 | 0.46 | 0.21 | -1.01 | 0.89 | 1.64 | 6.04 | 0.88 | 1.49 | 28.48 | -0.22 |
|---|
| Net income (loss) | 137 | -2 | 32 | 14 | -69 | 63 | 117 | 437 | 65 | 111 | 2,133 | -14 |
|---|
| Loss from continuing operations (in dollars per share) | - | - | 0.02 | 0.21 | -1.01 | - | 0.96 | 0.13 | 0.88 | -0.39 | -0.15 | -0.19 |
|---|
| Income (loss) from discontinued operations, net of tax (in dollars per share) | - | - | - | - | - | - | 0.69 | 5.95 | - | 1.88 | 28.63 | -0.02 |
|---|
| Net income (loss) per share (in dollars per share) | 2.1 | -0.03 | 0.47 | 0.21 | -1.01 | 0.9 | 1.65 | 6.08 | 0.88 | 1.49 | 28.48 | -0.22 |
|---|
| Loss from continuing operations (in dollars per share) | - | - | 0.02 | 0.21 | -1.01 | - | 0.95 | 0.13 | 0.88 | -0.39 | -0.15 | -0.19 |
|---|
| Income (loss) from discontinued operations, net of tax (in dollars per share) | - | - | - | - | - | - | 0.69 | 5.91 | - | 1.88 | 28.63 | -0.02 |
|---|
| Diluted net income (loss) per share (in dollars per share) | 2.08 | -0.03 | 0.46 | 0.21 | -1.01 | 0.89 | 1.64 | 6.04 | 0.88 | 1.49 | 28.48 | -0.22 |
|---|