LONG-TERM DEBT LONG-TERM DEBT - DEBT COVENANT (Details)	12 Months Ended
Jan. 31, 2019 numerator
2017 Revolving Credit Facility
Debt Instrument [Line Items]
Consolidated Total Debt to Consolidated EBITDA Ratio	4.50

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

No definition available.

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Period Type:	duration