Accounts Payable, Accrued Expenses and Other Current Liabilities - Additional Information (Detail) - USD ($) $ in Millions	3 Months Ended	6 Months Ended
	Jul. 29, 2017	Jul. 29, 2017
Payables And Accruals [Line Items]
Charge related to recall of products	$ 5.0	$ 5.0
Net Revenues [Member]
Payables And Accruals [Line Items]
Charge related to recall of products	4.0	4.0
Estimated product recall expense	0.2	0.2
Cost of Goods Sold [Member]
Payables And Accruals [Line Items]
Charge related to recall of products	0.8	0.8
Selling, General and Administrative Expenses [Member]
Payables And Accruals [Line Items]
Charge related to recall of products	0.2	0.2
Estimated product recall expense	$ 0.1	$ 0.1