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Commitments and Contingencies (Details 2)
12 Months Ended
Jan. 30, 2016
USD ($)
property
Jan. 31, 2015
USD ($)
Feb. 01, 2014
USD ($)
Remediation activities      
Number of properties on which presence of hazardous waste was discovered | property 1    
Reserve for the remediation $ 1,200,000 $ 1,300,000  
Significant amounts related to reserve recorded in the statement of earnings $ 0 $ 0 $ 0