Summary of Significant Accounting Policies (Detail) - USD ($) $ in Thousands	12 Months Ended
	Feb. 02, 2025	Jan. 28, 2024	Jan. 29, 2023
Property, Plant and Equipment [Line Items]
Sales return allowances	$ 73,892	$ 61,634
Net revenue on unredeemed gift card recognized	180,900	151,400	$ 126,900
Net revenue on unredeemed gift card balances	36,200	28,500	23,300
Cost of goods sold	4,317,315	4,009,873	3,618,178
Advertising expenses	541,500	429,700	328,600
Shipping and Handling
Property, Plant and Equipment [Line Items]
Cost of goods sold	$ 349,000	$ 374,200	$ 353,700
Buildings
Property, Plant and Equipment [Line Items]
Estimated useful life of assets	40 years
Leasehold Improvements
Property, Plant and Equipment [Line Items]
Estimated useful life of assets	10 years
Corporate Offices and Distribution Centres
Property, Plant and Equipment [Line Items]
Estimated useful life of assets	15 years
Furniture and fixtures
Property, Plant and Equipment [Line Items]
Property and equipment, amortization rate	20.00%
Computer hardware and software | Minimum
Property, Plant and Equipment [Line Items]
Property and equipment, amortization rate	20.00%
Computer hardware and software | Maximum
Property, Plant and Equipment [Line Items]
Property and equipment, amortization rate	50.00%
Equipment and vehicles | Minimum
Property, Plant and Equipment [Line Items]
Property and equipment, amortization rate	20.00%
Equipment and vehicles | Maximum
Property, Plant and Equipment [Line Items]
Property and equipment, amortization rate	30.00%