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Represents the debt liability and bifurcated embedded equity derivative settled in full.

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Amount of accumulated amortization of debt issuance costs.

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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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Face (par) amount of debt instrument at time of issuance.

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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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Fair value amount of debt instrument that was repurchased.

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Fair value as of the balance sheet date of the embedded derivative or group of embedded derivatives classified as a liability.

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Increase in the fair value of the embedded derivative or group of embedded derivatives included in earnings in the period.

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Decrease in the fair value of the embedded derivative or group of embedded derivatives included in earnings in the period.

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The amount of the liability for the conversion option reclassified to stockholders' equity when the embedded option no longer required separation from the host instrument.

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Gross amount of debt extinguished.

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Difference between the fair value of payments made and the carrying amount of debt which is extinguished prior to maturity.

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The cash inflow during the period from additional borrowings in aggregate debt. Includes proceeds from short-term and long-term debt.

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The cash outflow from the repayment of a long-term debt instrument which can be exchanged for a specified amount of another security, typically the entity's common stock, at the option of the issuer or the holder.

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The cash outflow during the period from the repayment of aggregate short-term and long-term debt. Excludes payment of capital lease obligations.

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Convertible Senior Notes - Bond Hedge and Warrant Terminations and Notes Repurchases (Detail) - USD ($)	3 Months Ended			6 Months Ended
	Jul. 30, 2022	Apr. 30, 2022	Jul. 31, 2021	Jul. 30, 2022	Jul. 31, 2021	Jan. 29, 2022	Sep. 30, 2019	Jun. 30, 2018
Debt Instrument
Repayments of convertible senior notes				$ (13,048,000)	$ (28,111,000)
Loss on extinguishment of debt	$ 23,462,000		$ 3,166,000	169,578,000	$ 3,271,000
Aggregate principal amount of notes derecognized				(261,988,000)
Estimated settlement cost				405,577,000
Outstanding Amount	2,487,215,000			2,487,215,000		$ 2,009,785,000
2023 and 2024 Notes \| Convertible note bond hedges
Debt Instrument
Trading days used to determine the conversion value		3 days
Cash to terminate		$ 232,000,000
2023 and 2024 Notes \| Convertible note bond hedges \| Other expense-net
Debt Instrument
Loss on extinguishment of debt		4,300,000
2023 Notes
Debt Instrument
Repayments of convertible senior notes				(9,400,000)
Debt instrument, principal amount	9,400,000			9,400,000				$ 335,000,000
2023 Notes \| Convertible note bond hedges
Debt Instrument
Aggregate closing price received		56,000,000
2024 Notes
Debt Instrument
Repayments of convertible senior notes				(3,600,000)
Debt instrument, principal amount							$ 350,000,000
2024 Notes \| Convertible note bond hedges
Debt Instrument
Aggregate closing price received		180,000,000
Private Offering
Debt Instrument
Outstanding Amount	43,615,000			43,615,000		294,028,000
Private Offering \| 2023 and 2024 Notes
Debt Instrument
Aggregate principal amount of notes derecognized		180,000,000
Private Offering \| 2023 Notes
Debt Instrument
Debt instrument, principal amount								$ 300,000,000
Aggregate purchase price	18,000,000	45,000,000		18,000,000
Outstanding Amount	1,711,000			1,711,000		74,390,000
Private Offering \| 2024 Notes
Debt Instrument
Aggregate purchase price	39,000,000	$ 135,000,000		39,000,000
Outstanding Amount	41,904,000			41,904,000		$ 219,638,000
Private Offering \| Notes Repurchase
Debt Instrument
Trading days used to determine the conversion value		5 days
Loss on extinguishment of debt		$ 146,000,000
Estimated settlement cost		325,000,000
Financing liability, fair value		325,000,000
Bifurcated embedded derivative from new financing liability, fair value		278,000,000
Acceleration of amortization of debt issuance costs		1,000,000.0
Amount due to holders		314,000,000
Outstanding Amount		47,000,000
Fair value of the bifurcated embedded equity derivative		267,000,000
Debt liability and bifurcated embedded equity derivative were settled in full		314,000,000
Private Offering \| Notes Repurchase \| Other expense-net
Debt Instrument
Gain on the fair value adjustment of the bifurcated embedded equity derivative		11,000,000
Private Offering \| Additional Notes Repurchase
Debt Instrument
Loss on extinguishment of debt	23,000,000
Aggregate principal amount of notes derecognized	57,000,000
Estimated settlement cost	80,000,000
Financing liability, fair value	25,000,000			25,000,000
Bifurcated embedded derivative from new financing liability, fair value	55,000,000
Acceleration of amortization of debt issuance costs	300,000			300,000
Amount due to holders	82,000,000			82,000,000
Outstanding Amount	25,000,000			25,000,000
Fair value of the bifurcated embedded equity derivative	57,000,000			57,000,000
Private Offering \| Additional Notes Repurchase \| Other expense-net
Debt Instrument
Loss on the fair value adjustment of the bifurcated embedded equity derivative	1,500,000
Warrants \| 2023 and 2024 Notes
Debt Instrument
Cash paid for Debt		391,000,000
Outstanding Amount	$ 0			$ 0
Warrants \| 2023 and 2024 Notes \| Other expense-net
Debt Instrument
Loss on extinguishment of debt		4,200,000
Warrants \| 2023 Notes
Debt Instrument
Aggregate purchase price		184,000,000
Warrants \| 2024 Notes
Debt Instrument
Aggregate purchase price		$ 203,000,000
Warrants \| Common Stock \| Maximum
Debt Instrument
Trading days used to determine the conversion value		3 days
Warrants \| Common Stock \| Minimum
Debt Instrument
Trading days used to determine the conversion value		2 years