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Fair Value Measurements - Carrying Value and Fair Value of Debt (Details) - USD ($) $ in Thousands	Jan. 25, 2026	Jan. 26, 2025
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Long term debt, less current portion	$ 491,234	$ 505,933
Debt issuance costs	11,766	11,135
Convertible Debt
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Long term debt, less current portion	491,234	373,325
Fair Value	662,632	873,714
Convertible Senior Notes due 2027 | Convertible Debt
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Long term debt, less current portion	99,176	312,973
Fair Value	$ 221,095	647,943
Debt instrument, stated rate	1.625%
Debt issuance costs	$ 1,300	6,500
Convertible Senior Notes due 2028 | Convertible Debt
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Long term debt, less current portion	0	60,352
Fair Value	$ 0	$ 225,771
Debt instrument, stated rate	4.00%	4.00%
Debt issuance costs		$ 1,600
Convertible Senior Notes Due 2030 | Convertible Debt
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Long term debt, less current portion	$ 392,058	0
Fair Value	$ 441,537	$ 0
Debt instrument, stated rate	0.00%
Debt issuance costs	$ 10,400

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Fair value portion of debt instrument payable, including, but not limited to, notes payable and loans payable.

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Contractual interest rate for funds borrowed, under the debt agreement.

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