Debt - Summary of Borrowings and Outstanding Debt (Details) - USD ($) $ in Thousands	3 Months Ended
May 02, 2020	May 04, 2019	Feb. 01, 2020
Debt Instrument [Line Items]
Total borrowings	$ 1,450,000		$ 1,450,000
Less: Unamortized debt discount and issuance cost	(10,148)		(10,976)
Net carrying amount of debt	1,439,852		1,439,024
Less: Current portion	0		0
Non-current portion	1,439,852		1,439,024
Interest expense	15,400	$ 19,300
Term Loan
Debt Instrument [Line Items]
Total borrowings	450,000		450,000
Notes \| 2023 Notes
Debt Instrument [Line Items]
Total borrowings	500,000		500,000
Notes \| 2028 Notes
Debt Instrument [Line Items]
Total borrowings	$ 500,000		$ 500,000

Amount, before unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but is not limited to, notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt.

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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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Amount, after accumulated amortization, of debt issuance costs. Includes, but is not limited to, legal, accounting, underwriting, printing, and registration costs.

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Amount of the cost of borrowed funds accounted for as interest expense for debt.

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Amount, after unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

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Amount, after unamortized (discount) premium and debt issuance costs, of long-term debt, classified as current. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

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Amount after unamortized (discount) premium and debt issuance costs of long-term debt classified as noncurrent and excluding amounts to be repaid within one year or the normal operating cycle, if longer. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

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