Equity impact of the value of stock that has been repurchased during the period and has not been retired and is not held in treasury. Some state laws may mandate the circumstances under which an entity may acquire its own stock and prescribe the accounting treatment therefore. This element is used when state law does not recognize treasury stock.

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-Publisher FASB
-Name Accounting Standards Codification
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Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef
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-Name Accounting Standards Codification
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Name:	us-gaap_StockRepurchasedDuringPeriodValue
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

Litigation (Details)					12 Months Ended
Litigation (Details)	Mar. 15, 2019 subsidiary	Oct. 01, 2018 USD ($)	Aug. 28, 2018 USD ($)	Feb. 12, 2018 USD ($)	Apr. 28, 2018 USD ($)	Apr. 29, 2017 USD ($)	Jul. 28, 2018 USD ($)
Loss Contingencies [Line Items]
Litigation settlement reserve							$ 28,263,000
Damages sought				$ 0
Stock repurchased		$ 412,800,000			$ 87,500,000	$ 125,384,000
Number of subsidiaries \| subsidiary	2
Kirsten Johnsen V. Scott P. Anderson Et Al
Loss Contingencies [Line Items]
Stock repurchased			$ 412,800,000