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REVENUES FROM CONTRACT WITH CUSTOMERS - Update to Significant Accounting Policies (Details) | 9 Months Ended
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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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- 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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