Commitments and Contingencies - Schedule of Purchase Commitments (Details) $ in Thousands	Jan. 27, 2019 USD ($)
Purchase Commitments [Line Items]
Purchase obligation due within one year	$ 59,111
Purchase obligations due in second and third years	6,223
Total	65,334
Open capital purchase commitments
Purchase Commitments [Line Items]
Purchase obligation due within one year	7,749
Purchase obligations due in second and third years	0
Total	7,749
Other open purchase commitments
Purchase Commitments [Line Items]
Purchase obligation due within one year	51,362
Purchase obligations due in second and third years	6,223
Total	$ 57,585