ACQUISITIONS AND INTANGIBLES (Parentheticals) (Detail 3) - DKI $ in Millions	12 Months Ended
Jan. 31, 2017 USD ($)
Business Acquisition [Line Items]
Reversal of professional fees	$ 7.8
Reversal of severance expenses	$ 3.9

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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