Income Taxes - Reconciliation of Gross Unrecognized Tax Benefits (Details) - USD ($) $ in Thousands	12 Months Ended
Jan. 26, 2020	Jan. 27, 2019
Reconciliation of Unrecognized Tax Benefits [Roll Forward]
Beginning balance	$ 18,293	$ 16,059
Net additions based on tax positions related to the current year	2,252	2,642
Additions based on tax positions related to prior years	6,850	0
Reductions as a result of lapsed statutes	(399)	0
Reductions for settlements with tax authorities	(1,530)	(408)
Ending balance	$ 25,466	$ 18,293

A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

No definition available.

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- Definition

Amount of unrecognized tax benefits.

+ References

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Amount of decrease in unrecognized tax benefits resulting from settlements with taxing authorities.

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Amount of increase in unrecognized tax benefits resulting from tax positions that have been or will be taken in current period tax return.

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Amount of increase in unrecognized tax benefits resulting from tax positions taken in prior period tax returns.

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Amount of decrease in unrecognized tax benefits resulting from lapses of applicable statutes of limitations.

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