Reclassifications (Notes)	6 Months Ended
Jul. 31, 2017
Reclassifications [Abstract]
Reclassifications [Text Block]	Reclassifications. Reclassifications were made to the prior-year consolidated statement of cash flows to conform to the current-year presentations and were not material to the financial statements.

The entire disclosure for classifying current financial statements, which may be different from classifications in the prior year's financial statements. Disclose any material changes in classification including an explanation of the reason for the change and the areas impacted.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 205
-URI http://asc.fasb.org/topic&trid=2122149

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