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Namespace Prefix:	us-gaap_
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Balance Type:	na
Period Type:	duration

Shareholders' Equity (Details) - USD ($) $ in Millions	Apr. 30, 2020	Aug. 28, 2019	Feb. 26, 2019	Oct. 02, 2018
Equity, Class of Treasury Stock [Line Items]
Stock Repurchase Program Additional Authorized Amount		$ 200.0	$ 100.0
Stock Repurchase Program, Remaining Authorized Repurchase Amount	$ 222.8
Stock Repurchase Program, Authorized Amount		$ 500.0		$ 200.0