Contingencies (Details) $ in Millions	3 Months Ended								12 Months Ended
	May 05, 2018 USD ($)	Oct. 28, 2017 USD ($)	Jul. 29, 2017	Apr. 29, 2017	Apr. 30, 2016 USD ($)	Oct. 31, 2015	Aug. 01, 2015 USD ($)	May 02, 2015	Feb. 02, 2013
Pending Litigation [Member]
Loss Contingencies [Line Items]
Number of Shareholder Derivative Lawsuits									3
Pending Litigation [Member] | Unfavorable Regulatory Action [Member]
Loss Contingencies [Line Items]
Loss Contingency, Loss in Period					$ 4.7
Tabletop Torch and Citronella Matter [Member]
Loss Contingencies [Line Items]
Loss Contingency, Loss in Period		$ (3.0)					$ 4.5
Loss Contingency, Claims Settled, Number			1	1		1		1
Shareholder and Derivatives Matter [Member] | Settled Litigation [Member]
Loss Contingencies [Line Items]
Loss Contingency, Loss in Period	$ 3.5