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Discontinued Operations - Additional Information (Details) - USD ($)
3 Months Ended 12 Months Ended
Aug. 02, 2014
Jan. 28, 2017
Jan. 30, 2016
Jan. 31, 2015
Income Statement Balance Sheet And Additional Disclosures By Disposal Groups Including Discontinued Operations [Line Items]        
Loss from discontinued operations, net of taxes       $ (1,118,000)
Sears | Canada        
Income Statement Balance Sheet And Additional Disclosures By Disposal Groups Including Discontinued Operations [Line Items]        
Loss from discontinued operations, net of taxes $ (800,000) $ 0 $ 0