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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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- Definition

Amount of costs incurred to date for the specified restructuring cost.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 420
-SubTopic 10
-Section 50
-Paragraph 1
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=6394359&loc=d3e17939-110869

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 420
-SubTopic 10
-Section S99
-Paragraph 2
-Subparagraph (SAB TOPIC 5.P.4(b))
-URI http://asc.fasb.org/extlink&oid=27011515&loc=d3e140904-122747

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Staff Accounting Bulletin (SAB)
-Number Topic 5
-Section P
-Subsection 3, 4

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