Income Taxes - Reconciliations of the Statutory Federal Tax Rate to the Company's Effective Income Tax Rates (Details)	1 Months Ended	11 Months Ended	12 Months Ended
Feb. 03, 2018	Dec. 31, 2017	Feb. 03, 2018	Jan. 28, 2017	Jan. 30, 2016
Reconciliations of the statutory federal tax rate to the Company's effective income tax rates
Statutory federal tax rate	21.00%	35.00%	33.70%	35.00%	35.00%
State tax rate, net of federal effect			(0.50%)	(5.40%)	2.30%
(Benefit) provision for uncertain income tax positions, net of federal effect			1.30%	1.80%	2.80%
Change in federal tax rate			(52.20%)
Other			2.60%	3.70%	(1.60%)
Valuation allowance			15.10%	(360.00%)
Effective income tax rate			0.00%	(324.90%)	38.50%

Provision for benefit from uncertain income tax positions, net of federal effect.

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Percentage of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
-Section 50
-Paragraph 13
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Percentage of domestic federal statutory tax rate applicable to pretax income (loss).

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-Topic 740
-SubTopic 10
-Section 50
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Percentage of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to changes in the valuation allowance for deferred tax assets.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
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Percentage of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations applicable to state and local income tax expense (benefit), net of federal tax expense (benefit).

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