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CONTINGENCIES (Details) $ in Millions |  |  | 6 Months Ended
--- | --- | --- | ---
Mar. 04, 2016 USD ($) | Feb. 01, 2016 USD ($) project | Jul. 31, 2016
Minimum |  |  |
Loss Contingencies |  |  |
Warranty period |  |  | 6 months
Maximum |  |  |
Loss Contingencies |  |  |
Warranty period |  |  | 18 months
PPS Engineers, Inc. claims lawsuit | Pending Litigation |  |  |
Loss Contingencies |  |  |
Amount of damages sought by plaintiff |  | $ 0.7 |
Number of significant project locations involved in the lawsuit | project |  | 1 |
Damages sought against bond of the project |  | $ 1.6 |
Counter claim amount sought | $ 2.2 |  |

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