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Debt - Fair Value of 2029 Notes (Details) - USD ($)	Oct. 26, 2024	Jan. 27, 2024
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Convertible debt, closing price determination value	100
Convertible debt, closing trading price per $100	94.79	92.49
Senior Notes | 4.50% senior notes, net (mature April 2029)
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Fair value of principal amount of 2029 Notes	$ 500,000,000	$ 500,000,000
Estimate of Fair Value Measurement | Senior Notes | 4.50% senior notes, net (mature April 2029)
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Fair value of principal amount of 2029 Notes	473,950,000	462,450,000
Less: Debt issuance costs	(4,132,000)	(4,820,000)
Fair value of 2029 Notes	$ 469,818,000	$ 457,630,000

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- Definition

Convertible Debt, Closing Price Determination Value

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- Definition

Amount, before unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but is not limited to, notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt.

+ References

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- Definition

Amount, after accumulated amortization, of debt issuance costs. Includes, but is not limited to, legal, accounting, underwriting, printing, and registration costs.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 835
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-Section 45
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- Definition

Fair value portion of notes payable.

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