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Commitments and Contingencies (Details) $ in Thousands | 3 Months Ended
--- | ---
May 31, 2016 USD ($) | Feb. 29, 2016 USD ($) item | May 31, 2015 USD ($)
Accrual for warranty returns |  |  |
Beginning balance | $ 20,622 |  | $ 23,553
Additions to the accrual | 14,523 |  | 13,514
Reductions of the accrual - payments and credits issued | (16,164) |  | (16,173)
Ending balance | $ 18,981 | $ 20,622 | $ 20,894
Minimum |  |  |
Accrual for warranty returns |  |  |
Product warranty period | 2 years |  |
Maximum |  |  |
Accrual for warranty returns |  |  |
Product warranty period | 5 years |  |
Thermometer Patent Litigation | Litigation |  |  |
Commitments and contingencies |  |  |
Number of models | item |  | 2 |
Charge including legal fees and other related expenses |  | $ 17,830 |
Charge including legal fees and other related expenses, after tax |  | $ 17,790 |
Amount of additional pre-judgment compensation | $ 1,470 |  |

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