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CONTINGENCIES (Details) $ in Millions |  |  | 12 Months Ended
--- | --- | --- | ---
Mar. 04, 2016 USD ($) | Feb. 01, 2016 USD ($) project | Jan. 31, 2018 USD ($) | Jan. 31, 2017 USD ($)
GPS |  |  |  |
Loss Contingencies |  |  |  |
Amount of damages sought by plaintiff |  |  | $ 11.0 |
Outstanding surety bonds |  |  | $ 11.1 | $ 7.3
Minimum |  |  |  |
Loss Contingencies |  |  |  |
Warranty period |  |  | 9 months |
Maximum |  |  |  |
Loss Contingencies |  |  |  |
Warranty period |  |  | 24 months |
PPS Engineers, Inc. claims lawsuit | Pending Litigation |  |  |  |
Loss Contingencies |  |  |  |
Amount of damages sought by plaintiff |  | $ 2.3 |  |
Number of significant project locations involved in the lawsuit | project |  | 1 |  |
Damages sought against bond of the project |  | $ 2.5 |  |
Counter claim amount sought | $ 2.2 |  |  |

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