| Jan 31,
2012 | Jan 31,
2013 | Jan 31,
2014 | Jan 31,
2015 | Jan 31,
2016 | Jan 31,
2017 | Jan 31,
2018 | Jan 31,
2019 | Jan 31,
2020 | Jan 31,
2021 | Jan 31,
2022 | Jan 31,
2023 | Jan 31,
2024 | Jan 31,
2025 |
|---|
| Net income | 9 | 22 | 43 | 43 | 50 | 77 | 72 | 52 | -41 | 24 | 36 | 35 | 32 | 85 |
|---|
| Share-based Compensation | - | - | - | - | - | - | - | 2 | 2 | 3 | 4 | 4 | 5 | 5 |
|---|
| Right-of-use asset amortization | - | - | - | - | - | - | - | - | - | - | - | - | - | 4 |
|---|
| Depreciation | - | - | 549,000 | 551,000 | 1 | 2 | 3 | 3 | 4 | 4 | 3 | 3 | 2 | 2 |
|---|
| Changes in accrued interest on investments | - | - | - | - | - | - | 1 | -1 | -1 | - | - | 2 | 4 | -1 |
|---|
| Deferred income tax expense (benefit) | -51,000 | -139,000 | 2 | 896,000 | 3 | 1 | -0 | -2 | -7 | 8 | -0 | -3 | 1 | 2 |
|---|
| Equity in loss (income) of solar energy investments | - | - | - | - | - | - | - | - | - | - | - | 1 | -0 | -0 |
|---|
| Other | - | - | - | - | 0 | -1 | 0 | 1 | -0 | -1 | -0 | -0 | -0 | -1 |
|---|
| Accounts receivable | 3 | 9 | -1,294,000 | 4 | 12 | -9 | 40 | 10 | 1 | -8 | 0 | 23 | -3 | 129 |
|---|
| Contract assets | - | - | - | - | - | - | - | - | -25 | -7 | -22 | 20 | 23 | -20 |
|---|
| Other assets | - | - | - | - | - | - | - | 15 | -2 | 13 | 0 | 3 | 1 | 8 |
|---|
| Accounts payable and accrued expenses | 20 | 6 | -9,937,000 | 23 | -12 | 60 | -6 | -60 | -3 | 31 | -6 | 9 | 15 | 66 |
|---|
| Contract liabilities | - | - | - | - | - | - | - | - | 64 | 99 | -44 | -32 | 85 | 118 |
|---|
| Net cash provided by (used in) operating activities | 79 | 32 | 99 | - | -34 | 259 | -73 | -112 | 54 | 175 | 28 | -30 | 117 | 168 |
|---|
| Purchases of short-term investments | - | - | - | - | 252 | 595 | 543 | 191 | 195 | 100 | 90 | 250 | 115 | 175 |
|---|
| Maturities of short-term investments | - | - | - | - | 138 | 354 | 588 | 370 | 166 | 170 | 90 | 190 | 160 | 130 |
|---|
| Purchases of available-for-sale securities | - | - | - | - | - | - | - | - | - | - | - | - | 104 | 140 |
|---|
| Maturities of available-for-sale securities | - | - | - | - | - | - | - | - | - | - | - | - | - | 19 |
|---|
| Purchases of property, plant and equipment | 2 | 7 | 1 | 3 | 3 | 3 | 5 | 9 | 7 | 2 | 1 | 3 | 3 | 7 |
|---|
| Issuance of note receivable | - | - | - | - | - | - | - | - | - | - | - | - | - | 5 |
|---|
| Investments in solar energy projects | - | - | - | - | - | - | - | - | - | - | 5 | - | 5 | 16 |
|---|
| Net cash used in investing activities | 790,000 | -7,263,000 | -1,136,000 | - | -131 | -244 | 39 | 171 | -36 | 68 | -7 | -63 | -68 | -194 |
|---|
| Common stock repurchases | - | - | - | - | - | - | - | - | - | - | 20 | 68 | 12 | 2 |
|---|
| Payments of cash dividends | - | - | - | - | - | - | - | - | - | - | - | 14 | 15 | 18 |
|---|
| Distribution to non-controlling interest | - | - | - | - | - | - | - | - | - | - | - | 1 | - | - |
|---|
| Settlements of share-based awards, net of withholding taxes paid | - | - | - | - | - | - | - | - | - | - | - | - | - | -6 |
|---|
| Net cash used in financing activities | -6,273,000 | -5,683,000 | -780,000 | - | -9 | -9 | -14 | -16 | -14 | -45 | -35 | -83 | -26 | -26 |
|---|
| EFFECTS OF EXCHANGE RATE CHANGES ON CASH | - | - | - | - | - | - | - | -1 | -0 | 2 | -3 | -1 | -0 | 0 |
|---|
| NET (DECREASE) INCREASE IN CASH AND CASH EQUIVALENTS | - | - | - | - | - | - | - | 42 | 3 | 199 | -16 | -177 | 23 | -52 |
|---|
| Investments Committed But Not Yet Paid | - | - | - | - | - | - | - | - | - | - | - | - | 3 | 12 |
|---|
| Right-of-use assets obtained in exchange for lease obligations | - | - | - | - | - | - | - | - | - | - | - | - | 2 | 4 |
|---|
| Income Taxes Paid, Net | - | - | - | - | - | - | 44 | 4 | 3 | - | - | - | 14 | 31 |
|---|
| Operating Leases Paid | - | - | - | - | - | - | - | - | - | - | - | - | 2 | 4 |
|---|