Income Taxes - Schedule of Reconciliation of Federal Statutory Tax Rate to Company's Effective Tax Rate (Detail)	12 Months Ended
	Feb. 02, 2019	Feb. 03, 2018	Jan. 28, 2017
Income Tax Disclosure [Abstract]
Provision at federal statutory tax rate	21.00%	33.70%	35.00%
State income taxes-net of federal tax impact	2.10%	4.80%	4.80%
Goodwill impairment	1.60%	17.90%
Valuation allowance	0.30%	1.10%	0.90%
Meals and entertainment	0.20%	1.50%	5.00%
Other permanent items	0.20%	1.30%	2.80%
Aircraft expenses	0.10%	3.60%	3.30%
Tax rate adjustments	0.10%	(0.60%)	(5.80%)
Stock compensation—excess benefits	(8.80%)	(20.90%)
Non-deductible stock-based compensation		26.70%
Federal statutory tax rate change		20.10%
Foreign income inclusion—transition tax		3.30%
Net adjustments to tax accruals and other		1.40%	1.20%
Foreign income		(0.90%)	(4.20%)
Donation of appreciated property		(0.20%)	(8.70%)
Transaction costs			2.60%
Effective tax rate	16.80%	92.80%	36.90%