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Note 2 - Significant Accounting Policies - Accumulated Other Comprehensive Loss (Details) - USD ($) $ in Thousands	Jan. 31, 2019	Jan. 31, 2018	Jan. 31, 2017
Accumulated other comprehensive loss, excluding tax effect	$ (3,086)	$ (1,575)
Total accumulated other comprehensive loss	52,360	51,812	$ 59,413
Accumulated Foreign Currency Adjustment Attributable to Parent [Member]
Accumulated other comprehensive loss, excluding tax effect	(1,438)	(268)
Accumulated other comprehensive loss, tax effect	91	(6)
Accumulated Defined Benefit Plans Adjustment Attributable to Parent [Member]
Accumulated other comprehensive loss, excluding tax effect	(1,648)	(1,307)
Accumulated other comprehensive loss, tax effect	115	115
Accumulated Net Investment Gain (Loss) Attributable to Parent [Member]
Accumulated other comprehensive loss, excluding tax effect
Accumulated other comprehensive loss, tax effect
AOCI Attributable to Parent [Member]
Total accumulated other comprehensive loss	$ (2,880)	$ (1,466)	$ (2,724)

X

- Definition

Amount before tax of increase (decrease) in accumulated equity from transactions and other events and circumstances from non-owner sources, attributable to parent. Excludes net income (loss), and accumulated changes in equity from transactions resulting from investments by owners (distributions to owners).

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Amount of tax expense (benefit) allocated to accumulated other comprehensive income (loss) attributable to parent.

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+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section S99
-Paragraph 2
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-Name Accounting Standards Codification
-Topic 210
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