Convertible Senior Notes and Related Transactions - Narrative (Details) $ / shares in Units, shares in Millions	1 Months Ended			3 Months Ended		12 Months Ended
	Jan. 31, 2024 USD ($) shares	Apr. 29, 2023 USD ($) $ / shares shares	Apr. 30, 2019 USD ($) $ / shares	Feb. 03, 2024 USD ($) $ / shares	Apr. 29, 2023 USD ($) $ / shares shares	Feb. 03, 2024 USD ($) $ / shares	Jan. 28, 2023 USD ($)	Jan. 29, 2022 USD ($)
Debt Instrument [Line Items]
Convertible senior notes issued upon exchange						$ 233,342,000	$ 0	$ 0
Net proceeds from issuance of convertible senior notes						80,324,000	0	0
Share repurchases						64,081,000	186,747,000	51,030,000
Loss on extinguishment of debt						12,351,000	0	0
Fair value of embedded derivative	$ 16,200,000			$ 16,400,000		16,400,000
Amortization of debt discount						622,000	0	11,125,000
Amount paid to purchase bond hedge						67,992,000	0	0
Proceeds from issuance of warrants						25,921,000	0	0
Proceeds from termination of convertible senior note hedges						9,146,000	0	0
Payments for terminated warrants						1,124,000	0	0
Increase in additional paid-In capital due to reclassification of bond hedge						68,530,000
2028 Bond Hedge
Debt Instrument [Line Items]
Derivative assets	84,700,000			$ 85,900,000		85,900,000
Additional 2028 Bond Hedge
Debt Instrument [Line Items]
Derivative assets	16,200,000
Initial 2028 Bond Hedge
Debt Instrument [Line Items]
Derivative assets	68,500,000
Share Repurchase Program
Debt Instrument [Line Items]
Share repurchases	$ 21,300,000	$ 42,800,000				$ 64,100,000	186,700,000	51,000,000
Senior notes | 2028 Notes
Debt Instrument [Line Items]
Interest rate (as a percent)	3.75%
Conversion price (in dollars per share) | $ / shares		$ 24.70		$ 24.45	$ 24.70	$ 24.45
Dividend threshold for conversion rate and conversion price adjustment (in dollars per share) | $ / shares						0.225
Percentage of principal and interest of the Notes that the Company may be required to purchase in the event of a fundamental change	100.00%
Minimum percentage of holders of the Notes which may be able to declare the Notes to be due and payable upon the occurrence of certain events of default	25.00%
Percentage of principal and interest that may be declared due and payable upon the occurrence of certain events of default	100.00%
Strike price of warrants (in dollars per share) | $ / shares				$ 41.37		$ 41.37
Senior notes | Initial 2028 Notes
Debt Instrument [Line Items]
Convertible senior notes issued		$ 275,000,000			$ 275,000,000
Convertible senior notes issued upon exchange		163,000,000
Net proceeds from issuance of convertible senior notes		$ 112,000,000
Aggregate principal amount outstanding				$ 275,000,000		$ 275,000,000	0
Conversion ratio		0.0404858
Dividend threshold for conversion rate and conversion price adjustment (in dollars per share) | $ / shares						$ 0.225
Effective interest rate for discount amortization				4.50%		4.50%
Debt issuance costs incurred						$ 5,900,000
Option to purchase, number of shares (in shares) | shares		11.1
Strike price (in dollars per share) | $ / shares		$ 24.70				$ 24.45
Amount paid to purchase bond hedge		$ 51,800,000
Warrant holders option to purchase common stock (in shares) | shares		11.1			11.1
Strike price of warrants (in dollars per share) | $ / shares		$ 41.80		$ 41.37	$ 41.80	$ 41.37
Proceeds from issuance of warrants		$ 20,200,000
Increase in additional paid-In capital due to reclassification of bond hedge	$ 68,500,000
Senior notes | Additional 2028 Notes
Debt Instrument [Line Items]
Convertible senior notes issued upon exchange	64,800,000
Aggregate principal amount outstanding				$ 64,826,000		$ 64,826,000	0
Fair value of convertible notes	71,900,000
Fair value of embedded derivative				16,390,000		16,390,000	0
Debt discount	$ 9,600,000
Effective interest rate for discount amortization	8.80%
Debt issuance costs incurred						2,000,000
Amount paid to purchase bond hedge	$ 16,200,000
Proceeds from issuance of warrants	5,800,000
Senior notes | 2024 Notes
Debt Instrument [Line Items]
Convertible senior notes issued			$ 300,000,000
Original convertible senior notes exchanged	67,100,000	184,900,000
Repayment of convertible senior notes		33,300,000
Aggregate principal amount outstanding	$ 48,100,000	$ 115,100,000		48,078,000	$ 115,100,000	$ 48,078,000	300,000,000
Percentage of exchanged notes accounted for as an extinguishment of debt		74.00%			74.00%
Percentage of exchanged notes accounted for as a modification of debt		26.00%			26.00%
Loss on extinguishment of debt				$ 4,700,000	$ 7,700,000
Interest rate (as a percent)			2.00%
Conversion ratio			0.0387879
Conversion price (in dollars per share) | $ / shares			$ 25.78	$ 24.28		$ 24.28
Dividend threshold for conversion rate and conversion price adjustment (in dollars per share) | $ / shares						$ 0.1125
Percentage of principal and interest of the Notes that the Company may be required to purchase in the event of a fundamental change			100.00%
Minimum percentage of holders of the Notes which may be able to declare the Notes to be due and payable upon the occurrence of certain events of default			25.00%
Percentage of principal and interest that may be declared due and payable upon the occurrence of certain events of default			100.00%
Effective interest rate for discount amortization			6.80%
Debt issuance costs expensed						$ 500,000
Debt issuance costs capitalized			$ 5,300,000
Amortization of debt discount						$ 0	$ 0	$ 11,100,000
Option to purchase, number of shares (in shares) | shares	2.0	4.6
Strike price (in dollars per share) | $ / shares		$ 24.92				$ 24.28
Warrant holders option to purchase common stock (in shares) | shares	2.0	4.6			4.6
Strike price of warrants (in dollars per share) | $ / shares		$ 45.31		$ 44.15	$ 45.31	44.15
Proceeds from termination of convertible senior note hedges	$ 1,900,000	$ 7,200,000
Payments for terminated warrants	100,000	1,000,000
Increase in additional paid-in-capital related to termination of convertible note hedge transactions and warrants	$ 1,800,000	$ 6,200,000
Dividend threshold for strike price adjustment (in dollars per share) | $ / shares						$ 0.1125
Senior notes | 2024 Notes | Initial purchasers
Debt Instrument [Line Items]
Debt issuance costs capitalized			3,800,000
Senior notes | 2024 Notes | Third party offerers
Debt Instrument [Line Items]
Debt issuance costs capitalized			$ 1,500,000