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Legal Proceedings (Details) (USD $)
0 Months Ended 12 Months Ended
Dec. 14, 2007
Feb. 01, 2014
Feb. 02, 2013
Jan. 28, 2012
Commitments and Contingencies Disclosure [Abstract]        
Minimum estimated undiscounted costs of preparing RIFS for remedial alternatives   $ 0    
Maximum estimated undiscounted costs of preparing RIFS for remedial alternatives   24,000,000    
Present worth for remedy of a combination of groundwater extraction and treatment and in-site chemical oxidation   10,700,000    
Minimum historical cost associated with enhanced treatment required by the impact of groundwater plume   1,800,000    
Maximum historical cost associated with enhanced treatment required by the impact of groundwater plume   2,500,000    
Future operation and maintenance costs   126,400    
Minimum amount of complaint under number of state law theories 41,000,000      
Period of complaint under number of state law theories 70 years      
Amount related to outstanding environmental contingencies   11,900,000 11,900,000 13,000,000
Pretax accruals for environmental contingencies included in provision for discontinued operations   $ 500,000 $ 800,000 $ 1,800,000