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REVENUES FROM CONTRACT WITH CUSTOMERS - Update to Significant Accounting Policies (Details)	9 Months Ended
	Oct. 31, 2018
Minimum
Update to Significant Accounting Policies
Revenue recognition period	3 months
Maximum
Update to Significant Accounting Policies
Revenue recognition period	3 years

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+ References

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- Definition

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.

+ References

No definition available.

+ Details

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