Debt - Schedule of Debt (Details) - USD ($) $ in Thousands	9 Months Ended
Oct. 24, 2020	Oct. 26, 2019	Jan. 25, 2020
Debt Instrument [Line Items]
Debt and capital lease obligations	$ 568,121		$ 866,901
Less: current portion	(78,121)		(22,500)
Long-term debt	490,000		844,401
Proceeds from borrowings on senior credit agreement, including term loans	773,000	$ 345,000
0.75% Convertible Senior Notes Due 2021
Debt Instrument [Line Items]
Debt and capital lease obligations	$ 55,621		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	$ 85,000		0
Credit Agreement - Term Loan (matures April 2020)
Debt Instrument [Line Items]
Debt and capital lease obligations	$ 427,500		$ 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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