Fair Value Measurements - Estimated Fair Value and Carrying Value of Notes (Detail) - USD ($) $ in Thousands	Jul. 30, 2022	Jan. 29, 2022
2023 Notes
Fair Value Balance Sheet Grouping Financial Statement Captions
Convertible senior notes, Fair Value	$ 1,622	$ 70,857
Convertible senior notes, Carrying Value	1,711	68,706
2024 Notes
Fair Value Balance Sheet Grouping Financial Statement Captions
Convertible senior notes, Fair Value	36,892	198,087
Convertible senior notes, Carrying Value	41,904	189,297
Term loan B
Fair Value Balance Sheet Grouping Financial Statement Captions
Convertible senior notes, Fair Value	1,931,732	1,995,000
Convertible senior notes, Carrying Value	1,985,000	$ 1,995,000
Term loan B-2
Fair Value Balance Sheet Grouping Financial Statement Captions
Convertible senior notes, Fair Value	487,799
Convertible senior notes, Carrying Value	$ 500,000