Schedule of Net Sales and Percentage of Net Sales by Merchandise Category (Detail) - USD ($) $ in Thousands		3 Months Ended
		Apr. 30, 2021	Apr. 30, 2020
Entity Wide Information Revenue From External Customer [Line Items]
Total net sales		$ 927,415	$ 588,483
Total net sales, percentage		100.00%	100.00%
Apparel
Entity Wide Information Revenue From External Customer [Line Items]
Total net sales	[1]	$ 607,802	$ 370,347
Total net sales, percentage	[1]	65.00%	63.00%
Home
Entity Wide Information Revenue From External Customer [Line Items]
Total net sales	[2]	$ 173,386	$ 109,799
Total net sales, percentage	[2]	19.00%	19.00%
Accessories
Entity Wide Information Revenue From External Customer [Line Items]
Total net sales	[3]	$ 101,654	$ 70,193
Total net sales, percentage	[3]	11.00%	12.00%
Other
Entity Wide Information Revenue From External Customer [Line Items]
Total net sales	[4]	$ 44,573	$ 38,144
Total net sales, percentage	[4]	5.00%	6.00%

[1] Apparel includes intimates and activewear

[2] Home includes home furnishings, electronics, gifts and decorative items

[3] Accessories includes footwear, jewelry and handbags

[4] Other includes beauty, shipping and handling, the Menus & Venues brand and the Subscription segment