Income Taxes - Reconciliation of Gross Unrecognized Tax Benefits (Details) - USD ($) $ in Thousands	12 Months Ended
Jan. 27, 2019	Jan. 28, 2018
Reconciliation of Unrecognized Tax Benefits [Roll Forward]
Beginning balance	$ 16,059	$ 11,452
Additions based on tax positions related to the current year	2,642	5,789
Reductions for tax positions of prior years, net	0	(1,182)
Reductions for settlements with tax authorities	(408)	0
Ending balance	$ 18,293	$ 16,059

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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-Publisher FASB
-Name Accounting Standards Codification
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-SubTopic 10
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- Definition

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

+ References

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

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- Definition

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

+ References

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