Income Taxes (Details) - USD ($) $ in Millions	3 Months Ended
May. 01, 2015	Apr. 29, 2016	Jan. 29, 2016
Income Tax Examination [Line Items]
Unrecognized tax benefits		$ 8.3
Unrecognized tax benefits, if recognized, would impact effective tax rate		5.4
Amount of interest and penalties recognized		5.9
Amount of interest and penalties recognized, net of federal benefit		3.8
Prior Period Reclassification Adjustment	$ 2.3
Sears Holdings Corporation \| Other assets
Income Tax Examination [Line Items]
Indemnification receivable, uncertain tax positions	$ 14.5	$ 13.9	$ 13.7

Income Tax Examination, Penalties and Interest Accrued, Net of Federal Tax Benefit

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Indemnification Asset, Uncertain Tax Positions

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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The amount of estimated penalties and interest accrued as of the balance sheet date arising from income tax examinations.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
-Section 50
-Paragraph 15
-Subparagraph (c)
-URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32718-109319

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The amount of a reclassification adjustment made to prior period financial statement amounts.

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Amount of unrecognized tax benefits pertaining to uncertain tax positions taken in tax returns.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
-Section 50
-Paragraph 15A
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=6907707&loc=SL6600010-109319

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Glossary Unrecognized Tax Benefit
-URI http://asc.fasb.org/extlink&oid=6527854

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The total amount of unrecognized tax benefits that, if recognized, would affect the effective tax rate.

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