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Income Taxes - Components of Provision for Taxes (Details) - USD ($)
$ in Thousands
12 Months Ended
Jan. 31, 2021
Jan. 26, 2020
Jan. 27, 2019
Current income tax provision (benefit)      
Federal $ 6,716 $ 6,463 $ (147)
State (69) 100 0
Foreign 4,801 11,861 21,753
Subtotal 11,448 18,424 21,606
Deferred income tax provision (benefit)      
Federal (7,012) 74 (24,928)
State 20 (33) 0
Foreign (1,019) (5,637) 3,677
Subtotal (8,011) (5,596) (21,251)
Provision for income taxes $ 3,437 $ 12,828 $ 355