| Feb 26,
2012 | Mar 3,
2013 | Mar 2,
2014 | Mar 1,
2015 | Feb 28,
2016 | Feb 26,
2017 | Feb 25,
2018 | Mar 3,
2019 | Mar 1,
2020 | Feb 28,
2021 | Feb 27,
2022 | Feb 26,
2023 | Mar 3,
2024 | Mar 2,
2025 |
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| Cash and cash equivalents | 130 | 186 | 133 | 142 | 98 | 102 | 18 | 71 | 5 | 42 | 13 | 4 | 7 | 22 |
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| Marketable securities (Note 2) | 139 | 89 | 137 | 131 | 140 | 136 | 90 | 81 | 117 | 75 | 98 | 101 | 71 | 47 |
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| Accounts receivable, less allowance for credit losses of $125 and $128, respectively | 24 | 26 | 23 | 21 | 23 | 17 | 20 | 9 | 11 | 8 | 8 | 10 | 12 | 13 |
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| Inventories (Note 3) | 16 | 13 | 14 | 14 | 10 | 11 | 11 | 5 | 6 | 5 | 5 | 7 | 6 | 7 |
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| Prepaid expenses and other current assets | 3 | 7 | 4 | 5 | 2 | 2 | 2 | 2 | 6 | 3 | 3 | 3 | 3 | 1 |
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| Total current assets | 312 | 321 | 311 | 313 | 272 | 269 | 141 | 168 | 145 | 132 | 126 | 125 | 99 | 90 |
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| Property, plant and equipment, net (Note 3) | 39 | 32 | 30 | 27 | 22 | 19 | 17 | 11 | 16 | 21 | 24 | 24 | 23 | 22 |
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| Operating right-of-use assets (Note 9) | - | - | - | - | - | - | - | - | 0 | 0 | 0 | 0 | 0 | 0 |
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| Goodwill and other intangible assets, net (Note 3) | - | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 |
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| Other assets | 8 | 7 | 1 | 1 | 1 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
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| Total assets | 366 | 370 | 377 | 351 | 315 | 309 | 169 | 189 | 172 | 164 | 161 | 159 | 132 | 122 |
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| Accounts payable | 8 | 6 | 6 | 7 | 6 | 4 | 4 | 3 | 5 | 3 | 3 | 5 | 4 | 3 |
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| Operating lease liabilities (Note 9) | - | - | - | - | - | - | - | - | 0 | 0 | 0 | 0 | 0 | 0 |
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| Accrued liabilities (Note 3) | 9 | 6 | 5 | 5 | 5 | 3 | 5 | 3 | 2 | 2 | 1 | 1 | 2 | 1 |
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| Income taxes payable (Note 4) | 4 | 4 | 3 | 4 | 3 | 3 | 3 | 5 | 2 | 3 | 2 | 2 | 4 | 5 |
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| Total current liabilities | 21 | 17 | 24 | 30 | 17 | 14 | 12 | 11 | 9 | 8 | 6 | 29 | 10 | 9 |
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| Long-term operating lease liabilities (Note 9) | - | - | - | - | - | - | - | - | 0 | 0 | 0 | 0 | 0 | 0 |
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| Non-current income taxes payable (Note 4) | - | - | - | - | - | - | 20 | 18 | 16 | 14 | 13 | 11 | 5 | - |
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| Deferred income taxes (Note 4) | - | - | - | - | - | - | - | - | 1 | 1 | 2 | 2 | 3 | 5 |
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| Other liabilities (Note 4) | 0 | 0 | 0 | 1 | 1 | 1 | 1 | 1 | 4 | 4 | 4 | 2 | 1 | 0 |
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| Total liabilities | 23 | 70 | 177 | 169 | 134 | 126 | 34 | 30 | 30 | 28 | 25 | 43 | 19 | 15 |
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| Preferred stock, $1 par value per shares-authorized, 500,000 shares; issued, none | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
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| Common stock, $0.10 par value per shares-authorized, 60,000,000 shares; issued, 20,965,144 shares | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 |
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| Additional paid-in capital | - | - | 162 | 165 | 166 | 168 | 169 | 169 | 170 | 170 | 170 | 170 | 170 | 170 |
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| Accumulated deficit | 182 | 139 | 36 | 16 | 26 | 27 | -21 | -3 | -22 | -25 | -25 | -43 | -45 | -50 |
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| Accumulated other comprehensive loss | 2 | 1 | 1 | 1 | 1 | 1 | 0 | -0 | 1 | -0 | -2 | -4 | -2 | -1 |
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| Stockholders' Equity, Including Treasury Stock | - | - | - | - | 196 | 198 | 150 | 169 | 151 | 147 | 145 | 125 | 125 | 122 |
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| Less treasury stock, at cost, 962,476 and 711,783 shares, respectively | 0 | 0 | 0 | 3 | 15 | 15 | 15 | 10 | 9 | 11 | 9 | 9 | 12 | 15 |
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| Total shareholders' equity | 343 | 300 | 201 | 182 | 181 | 183 | 135 | 159 | 142 | 136 | 136 | 116 | 113 | 107 |
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| Total liabilities and shareholders' equity | 366 | 370 | 377 | 351 | 315 | 309 | 169 | 189 | 172 | 164 | 161 | 159 | 132 | 122 |
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