Carrying value as of the balance sheet date of obligations incurred and payable for real and property taxes. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).

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Carrying value as of the balance sheet date of obligations incurred and payable for real and property taxes.

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Number of defendants named in a legal action.

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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.

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The amount of cash paid for the settlement of litigation or for other legal issues during the period.

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The amount of cash paid for royalties during the current period.

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Minimum amount of purchase arrangement in which the entity has agreed to expend funds to procure goods or services from a supplier.

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Accrual for Taxes Other than Income Taxes, Noncurrent

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Commitments and Contingencies (Details) $ in Thousands				1 Months Ended	3 Months Ended	12 Months Ended
Commitments and Contingencies (Details) $ in Thousands	Jul. 30, 2020 officer	Jun. 11, 2020 officer	Apr. 08, 2020 officer	May 31, 2020 USD ($)	Jan. 31, 2021 USD ($)	Jan. 31, 2021 USD ($)	Jan. 31, 2020 USD ($)
Other Commitments [Line Items]
Purchase obligation					$ 498,600	$ 498,600
Payments for royalties				$ 9,800	9,800	10,600
Payments for legal settlements						9,800
Sales and other tax liabilities					85,600	85,600	$ 37,700
Sales and other tax liabilities					27,500	27,500	3,700
Sales and other tax liabilities					$ 58,133	$ 58,133	$ 33,957
Violation Of Securities Act Section 10(b), 20(a), and Rule 10b-5
Other Commitments [Line Items]
Loss contingency, number of defendants \| officer	8	9	2