Debt - Schedule of Debt (Details) - USD ($) $ in Thousands	Apr. 25, 2020	Jan. 25, 2020
Debt Instrument [Line Items]
Debt and capital lease obligations	$ 1,386,357	$ 866,901
Less: current portion	(22,500)	(22,500)
Long-term debt	1,363,857	844,401
0.75% Convertible Senior Notes Due 2021
Debt Instrument [Line Items]
Debt and capital lease obligations	$ 272,607	422,526
Debt, interest rate (in percent)	0.75%
Credit Agreement - Revolving facility (matures April 2020)
Debt Instrument [Line Items]
Debt and capital lease obligations	$ 675,000	0
Credit Agreement - Term Loan (matures April 2020)
Debt Instrument [Line Items]
Debt and capital lease obligations	$ 438,750	$ 444,375

Amount of short-term and long-term debt and lease obligation.

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 210
-Section S99
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Contractual interest rate for funds borrowed, under the debt agreement.

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Amount of long-term debt and lease obligation, classified as current.

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