Other accrued liabilities (Notes)	6 Months Ended
Jul. 31, 2016
Other accrued liabilities [Abstract]
Other Liabilities Disclosure [Text Block]	Other accrued liabilities. In the second quarter, the Company recorded a legal settlement accrual of $0.8 million, which is included in other accrued liabilities.

The entire disclosure for other liabilities.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.20,24)
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

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