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Income Taxes (Details) - USD ($) $ in Millions | Jul. 28, 2017 | Jan. 27, 2017 | Jul. 29, 2016
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Income Tax Examination [Line Items] |  |  |
Unrecognized tax benefits | $ 6.9 |  |
Unrecognized tax benefits, if recognized, would impact effective tax rate | 4.5 |  |
Amount of interest and penalties recognized | 5.3 |  |
Amount of interest and penalties recognized, net of federal benefit | 3.4 |  |
Sears Holdings Corporation | Other assets |  |  |
Income Tax Examination [Line Items] |  |  |
Indemnification receivable, uncertain tax positions | $ 11.8 | $ 11.4 | $ 14.2

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- Definition 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=84230637&loc=d3e32718-109319 + Details
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- Definition Amount of unrecognized tax benefits. + References 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=84230637&loc=SL6600010-109319 + Details
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- Definition The total amount of unrecognized tax benefits that, if recognized, would affect the effective tax rate. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 15A -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=84230637&loc=SL6600010-109319 + Details
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