Income and Other Taxes - Narrative (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Nov. 01, 2019	Nov. 02, 2018	Nov. 01, 2019	Nov. 02, 2018	Feb. 01, 2019
Valuation Allowance [Line Items]
Effective tax rate	30.60%	32.20%	31.70%	23.60%
Expense relating to vesting of equity awards	$ 500		$ 2,600
Loss carryforwards	4,800		4,800		$ 4,700
Loss before income taxes	11,392	$ 5,505	38,692	$ 35,750
Income tax benefit	3,484	1,770	12,254	8,427
Net loss	7,908	$ 3,735	26,438	$ 27,323
Net operating loss tax sharing receivable under agreement with Dell	26,177		26,177		27,604
Unrecognized tax benefits	7,600		7,600		7,500
Principal Owner | Dell Inc.
Valuation Allowance [Line Items]
Net operating loss tax sharing receivable under agreement with Dell	$ 17,769		17,769
Net operating loss tax sharing receivable under agreement with Dell					$ 6,853
Prepared using separate return method
Valuation Allowance [Line Items]
Loss before income taxes			38,700
Income tax benefit			4,200
Net loss			$ 34,500