Fair Value Measurements - Estimated Fair Value and Carrying Value of Notes and Term Loan Credit Agreement (Detail) - Recurring - Level 2 - USD ($) $ in Thousands	Jan. 28, 2023	Jan. 29, 2022
2023 Notes | Fair Value | Observable market data
Fair Value Balance Sheet Grouping Financial Statement Captions
Convertible senior notes	$ 1,622	$ 70,857
2023 Notes | Principal Carrying Value | Observable market data
Fair Value Balance Sheet Grouping Financial Statement Captions
Convertible senior notes	1,696	68,706
2024 Notes | Fair Value | Observable market data
Fair Value Balance Sheet Grouping Financial Statement Captions
Convertible senior notes	37,351	198,087
2024 Notes | Principal Carrying Value | Observable market data
Fair Value Balance Sheet Grouping Financial Statement Captions
Convertible senior notes	41,904	189,297
Term loan B | Fair Value | Discounted cash flows
Fair Value Balance Sheet Grouping Financial Statement Captions
Term Loan Credit Agreement	1,961,056	1,995,000
Term loan B | Principal Carrying Value | Discounted cash flows
Fair Value Balance Sheet Grouping Financial Statement Captions
Term Loan Credit Agreement	1,975,000	$ 1,995,000
Term loan B-2 | Fair Value | Discounted cash flows
Fair Value Balance Sheet Grouping Financial Statement Captions
Term Loan Credit Agreement	500,215
Term loan B-2 | Principal Carrying Value | Discounted cash flows
Fair Value Balance Sheet Grouping Financial Statement Captions
Term Loan Credit Agreement	$ 498,750