Contingencies (Details) $ in Millions	3 Months Ended
	Apr. 30, 2016 USD ($)	Aug. 01, 2015 USD ($)
Unfavorable Regulatory Action [Member]
Loss Contingencies [Line Items]
Loss Contingency Accrual, Payments	$ 0.3
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]
General Liability Insurance Deductible	$ 1.0
Loss Contingency, Claims Settled, Number		1
Tabletop Torch and Citronella Matter [Member] | Pending Litigation [Member]
Loss Contingencies [Line Items]
Loss Contingency, Loss in Period		$ 4.5
Loss Contingency, Pending Claims, Number	2