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Note 19 - Other Charges (Details) - USD ($) $ in Millions | 24 Months Ended |
--- | --- | ---
Jan. 31, 2016 | Jan. 31, 2015
Note 19 - Other Charges (Details) [Line Items] |  |
Executive Retirement Liability |  | $ 0.9
Former Chairman and CEO [Member] |  |
Note 19 - Other Charges (Details) [Line Items] |  |
Executive Retirement Charge | $ 3.7 |
Executive Retirement Liability | 0.5 |
Workforce Reduction Charges, Office Closure Costs and Network Consolidation Costs [Member] | Fiscal 2015 Restructuring Plan [Member] |  |
Note 19 - Other Charges (Details) [Line Items] |  |
Restructuring and Related Cost, Cost Incurred to Date | 0.8 |
Workforce Reduction Charges, Office Closure Costs and Network Consolidation Costs [Member] | Fiscal 2014 Restructuring Plan [Member] |  |
Note 19 - Other Charges (Details) [Line Items] |  |
Restructuring and Related Cost, Cost Incurred to Date | $ 2.0 |

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