Contingencies (Details) $ in Millions |
3 Months Ended | ||||
|---|---|---|---|---|---|
Jul. 29, 2017 |
Apr. 29, 2017
USD ($)
|
Apr. 30, 2016
USD ($)
|
Oct. 31, 2015 |
Aug. 01, 2015
USD ($)
|
|
| 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, Claims Settled in Principle, Number | 1 | ||||
| General Liability Insurance Deductible | $ 1.0 | ||||
| Loss Contingency, Claims Settled, Number | 1 | 1 | 1 | ||
| Tabletop Torch and Citronella Matter [Member] | Pending Litigation [Member] | |||||
| Loss Contingencies [Line Items] | |||||
| Loss Contingency, Loss in Period | $ 4.5 | ||||