Convertible Senior Notes and Related Transactions - Narrative (Details) $ / shares in Units, shares in Millions		1 Months Ended	12 Months Ended
	May 01, 2019 $ / shares	Apr. 30, 2019 USD ($) $ / shares shares	Jan. 28, 2023 USD ($) $ / shares shares	Jan. 29, 2022 USD ($)	Jan. 30, 2021 USD ($)
Debt Instrument [Line Items]
Amortization of debt discount			$ 0	$ 11,125,000	$ 10,394,000
Amortization of debt issuance costs			$ 1,563,000	1,390,000	1,351,000
Option to purchase, number of shares (in shares) | shares		11.6
Conversion price (in dollars per share) | $ / shares	$ 46.88	$ 25.78
Convertible note hedge cost		$ 61,000,000
Warrants outstanding (in shares) | shares		11.6	11.6
Strike price of warrants (in dollars per share) | $ / shares		$ 46.88	$ 46.88
Dividend threshold for strike price adjustment (in dollars per share) | $ / shares			0.1125
Strike price (in dollars per share) | $ / shares			$ 45.59
Proceeds from issuance of warrants		$ 28,100,000
Deferred tax liability in connection with debt discount			$ 0	6,207,000
Deferred tax asset in connection with convertible note hedge transactions			$ 3,919,000	6,884,000
2.00% Convertible Senior Notes Due 2024 | Senior notes
Debt Instrument [Line Items]
Interest rate (as a percent)		2.00%
Convertible debt issued		$ 300,000,000
Conversion ratio		0.0387879
Conversion price (in dollars per share) | $ / shares		$ 25.78	$ 25.08
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		6.80%
Amortization of debt discount			$ 0	11,100,000	10,400,000
Amortization of debt issuance costs			800,000	900,000	$ 900,000
2.00% Convertible Senior Notes Due 2024 | Senior notes | Level 2
Debt Instrument [Line Items]
Fair value of convertible senior notes			$ 331,900,000	$ 303,100,000
2.00% Convertible Senior Notes Due 2024 | Senior notes | Initial purchasers
Debt Instrument [Line Items]
Debt issuance costs		$ 3,800,000
2.00% Convertible Senior Notes Due 2024 | Senior notes | Third party offerers
Debt Instrument [Line Items]
Debt issuance costs		$ 1,500,000