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9. Employee Benefit Plans (Details) (USD $)
In Thousands, unless otherwise specified
Nov. 02, 2014
Feb. 02, 2014
9. Employee Benefit Plans (Details) [Line Items]    
Deferred Compensation Liability, Classified, Noncurrent $ 8,072 $ 7,668
Supplemental Employee Retirement Plan [Member]
   
9. Employee Benefit Plans (Details) [Line Items]    
Other Postretirement Defined Benefit Plan, Liabilities 7,781 7,662
Deferred Compensation Liability, Classified, Noncurrent $ 7,427 $ 7,308