DEBT Senior secured credit facility revolver borrowings (Details) $ in Millions	12 Months Ended
Jan. 31, 2016 USD ($)
2014 Facilities [Member]
Short-term Debt [Line Items]
Line of credit facility, maximum amount outstanding during period	$ 151.2

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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Balance Type:	na
Period Type:	duration