Commitments and Contingencies - Schedule of Purchase Commitments (Details) $ in Thousands	Jan. 26, 2020 USD ($)
Purchase Commitments [Line Items]
Purchase obligation due within one year	$ 49,837
Purchase obligations due in second and third years	5,856
Total	55,693
Open capital purchase commitments
Purchase Commitments [Line Items]
Purchase obligation due within one year	1,097
Purchase obligations due in second and third years	0
Total	1,097
Other open purchase commitments
Purchase Commitments [Line Items]
Purchase obligation due within one year	48,740
Purchase obligations due in second and third years	5,856
Total	$ 54,596