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Employee Benefit Plans (Details) $ in Thousands | 3 Months Ended | 6 Months Ended
--- | --- | ---
Aug. 31, 2019 USD ($) | Sep. 01, 2018 USD ($) | Aug. 31, 2019 USD ($) plan | Sep. 01, 2018 USD ($)
Retirement Benefits [Abstract] |  |  |  |
Number of defined-benefit pension plans | plan |  |  | 2 |
Components of net periodic benefit cost |  |  |  |
Interest cost | $ 123 | $ 127 | $ 246 | $ 254
Expected return on assets | (46) | (10) | (92) | (20)
Amortization of unrecognized net loss | 55 | 57 | 110 | 114
Net periodic benefit cost | $ 132 | $ 174 | $ 264 | $ 348

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