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Fair Value Measurements (Details) - USD ($) $ in Thousands | Mar. 03, 2018 | Mar. 04, 2017
--- | --- | ---
Cash equivalents |  |
Total cash equivalents | $ 3,301 | $ 9,923
Long-term securities |  |
Total assets at fair value | 12,354 | 19,512
Money market funds |  |
Cash equivalents |  |
Total cash equivalents | 2,901 | 4,423
Commercial paper |  |
Cash equivalents |  |
Total cash equivalents | 400 | 5,500
Municipal bonds |  |
Available for sale securities |  |
Total available for sale securities | 423 | 548
Long-term securities |  |
Total long-term securities | 8,630 | 9,041
Quoted Prices in Active Markets (Level 1) |  |
Cash equivalents |  |
Total cash equivalents | 2,901 | 4,423
Long-term securities |  |
Total assets at fair value | 2,901 | 4,423
Quoted Prices in Active Markets (Level 1) | Money market funds |  |
Cash equivalents |  |
Total cash equivalents | 2,901 | 4,423
Quoted Prices in Active Markets (Level 1) | Commercial paper |  |
Cash equivalents |  |
Total cash equivalents | 0 | 0
Quoted Prices in Active Markets (Level 1) | Municipal bonds |  |
Available for sale securities |  |
Total available for sale securities | 0 | 0
Long-term securities |  |
Total long-term securities | 0 | 0
Other Observable Inputs (Level 2) |  |
Cash equivalents |  |
Total cash equivalents | 400 | 5,500
Long-term securities |  |
Total assets at fair value | 9,453 | 15,089
Other Observable Inputs (Level 2) | Money market funds |  |
Cash equivalents |  |
Total cash equivalents | 0 | 0
Other Observable Inputs (Level 2) | Commercial paper |  |
Cash equivalents |  |
Total cash equivalents | 400 | 5,500
Other Observable Inputs (Level 2) | Municipal bonds |  |
Available for sale securities |  |
Total available for sale securities | 423 | 548
Long-term securities |  |
Total long-term securities | $ 8,630 | $ 9,041

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