Convertible Senior Notes and Related Transactions - Narrative (Details) $ / shares in Units, shares in Millions	1 Months Ended		3 Months Ended
	Apr. 29, 2023 USD ($) $ / shares shares	Apr. 30, 2019 USD ($) $ / shares	Apr. 29, 2023 USD ($) $ / shares shares	Apr. 30, 2022 USD ($)	Jan. 28, 2023 USD ($)
Debt Instrument [Line Items]
Net proceeds from issuance of convertible senior notes			$ 80,324,000	$ 0
Share repurchases			42,821,000	81,747,000
Loss on extinguishment of debt			7,696,000	0
Amortization of debt issuance costs			335,000	354,000
Proceeds from issuance of warrant			20,158,000	0
Proceeds from termination of convertible senior note hedge			7,235,000	0
Payments for terminated warrants			1,024,000	0
Share Repurchase Program
Debt Instrument [Line Items]
Share repurchases	$ 42,800,000		42,800,000	81,700,000
Senior Notes
Debt Instrument [Line Items]
Total interest expense			1,700,000
Coupon interest expense			1,500,000
Amortization of debt discount and issuance costs			200,000
Senior Notes | 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
Interest rate	3.75%		3.75%
Conversion ratio	0.0404858
Conversion price (in dollars per share) | $ / shares	$ 24.70		$ 24.70
Dividend threshold for conversion rate and conversion price adjustment (in dollars per share) | $ / shares			$ 0.225
Debt issuance costs incurred	$ 6,000,000
Option to purchase, number of shares (in shares) | shares	11.1
Strike price (in dollars per share) | $ / shares	$ 24.70
Convertible note hedge cost	$ 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		$ 41.80
Proceeds from issuance of warrant	$ 20,200,000
Senior Notes | 2024 Notes
Debt Instrument [Line Items]
Convertible senior notes issued		$ 300,000,000
Original convertible senior notes exchanged	184,900,000
Repayment of convertible senior notes	33,300,000
Aggregate principal amount outstanding	$ 115,144,000		$ 115,144,000		$ 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	$ 7,700,000
Interest rate		2.00%
Conversion ratio		0.0387879
Conversion price (in dollars per share) | $ / shares	$ 24.92	$ 25.78	$ 24.92
Dividend threshold for conversion rate and conversion price adjustment (in dollars per share) | $ / shares			$ 0.1125
Debt issuance costs expensed			$ 500,000
Debt issuance costs capitalized		$ 5,300,000
Total interest expense				1,700,000
Coupon interest expense				1,500,000
Amortization of debt issuance costs				$ 200,000
Option to purchase, number of shares (in shares) | shares	4.6
Strike price (in dollars per share) | $ / shares	$ 24.92		$ 24.92
Warrant holders option to purchase common stock (in shares) | shares	4.6		4.6
Strike price of warrants (in dollars per share) | $ / shares	$ 45.31	$ 46.88	$ 45.31
Proceeds from termination of convertible senior note hedge	$ 7,200,000
Payments for terminated warrants	1,000,000
Increase to additional paid-in-capital related to termination of convertible note hedge transactions and warrants	$ 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