REVENUE RECOGNITION - Textuals (Details) - USD ($) $ in Thousands	12 Months Ended
Jan. 31, 2019	Jan. 31, 2018
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]
Revenue recognized	$ 5,800
Customer refund liability	243,589
Contract liability	6,400	$ 6,000
Contract assets	0	0
Impact of Adoption of ASC 606
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]
Reduction in stockholders equity		$ 53,700
Customer refund liability	$ 243,589

Decrease in stockholders equity due to cumulative effect of new accounting principle in period of adoption.

No definition available.

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- Definition

Amount, after allowance for credit loss, of right to consideration in exchange for good or service transferred to customer when right is conditioned on something other than passage of time.

+ References

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- Definition

Amount of obligation to transfer good or service to customer for which consideration has been received or is receivable.

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- Definition

Amount of revenue recognized that was previously included in balance of obligation to transfer good or service to customer for which consideration from customer has been received or is due.

+ References

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- Definition

Current regulatory liabilities generally represent obligations to make refunds to customers for various reasons including overpayment.

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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.

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