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Stock Based Compensation - Plans - (Details) - shares
Feb. 03, 2018
Jan. 28, 2017
1987 Plan    
Authorized And Available For Grant [Line Items]    
Options And/Or Restrcited Stock Initially Authorized 5,850,000  
Options And Or Restricted Stock Available For Grant 0 0
2004 Plan    
Authorized And Available For Grant [Line Items]    
Options And/Or Restrcited Stock Initially Authorized 1,350,000  
Options And Or Restricted Stock Available For Grant 0 0
2013 Plan    
Authorized And Available For Grant [Line Items]    
Options And/Or Restrcited Stock Initially Authorized 1,500,000  
Options And Or Restricted Stock Available For Grant 856,473 1,032,834