Reconciliation Between Basic and Diluted Weighted Average Shares Outstanding (Parenthetical) (Detail) - shares shares in Thousands		3 Months Ended		6 Months Ended
		Aug. 01, 2020	Aug. 03, 2019	Aug. 01, 2020	Aug. 03, 2019
Antidilutive Securities Excluded From Computation Of Earnings Per Share [Line Items]
Awards excluded from diluted earnings per share calculation	[1],[2]	8,235	768	4,670	434
Equity Awards
Antidilutive Securities Excluded From Computation Of Earnings Per Share [Line Items]
Awards excluded from diluted earnings per share calculation		1,200		1,200
Convertible Notes
Antidilutive Securities Excluded From Computation Of Earnings Per Share [Line Items]
Awards excluded from diluted earnings per share calculation		7,000		3,500

[1] For each of the 13 and 26 weeks ended August 1, 2020, there were 1.2 million potentially dilutive equity awards that were excluded from the diluted earnings per share calculation because the Company incurred a net loss for this period and their inclusion would be anti-dilutive.

[2] For each of the 13 and 26 weeks ended August 1, 2020, there were 7.0 million and 3.5 million potentially dilutive shares from the Company’s convertible notes, respectively, that were excluded from the diluted earnings per share calculation because the Company incurred a net loss for this period and their inclusion would be anti-dilutive.