XML 35 R45.htm IDEA: XBRL DOCUMENT v2.4.0.6
Deferred Compensation Plan - Additional Information (Detail) (USD $)
1 Months Ended
Jan. 31, 2009
Aug. 31, 2006
Oct. 27, 2012
Jan. 28, 2012
Deferred Compensation Arrangement with Individual [Line Items]        
Deferred compensation plan, vesting percentage   100.00%    
Percentage of employer contribution based on the first 4% eligible employee contribution 50.00%      
Percentage of eligible contributions by employee 4.00%      
Deferred compensation plan, asset     $ 4,900,000 $ 4,700,000
Deferred compensation plan, liability     $ 4,933,000 $ 4,410,000
Base Salary Compensation
       
Deferred Compensation Arrangement with Individual [Line Items]        
Deferred compensation plan, eligible compensation for deferral percentage   80.00%    
Annual earned Bonus
       
Deferred Compensation Arrangement with Individual [Line Items]        
Deferred compensation plan, eligible compensation for deferral percentage   100.00%    
Earned cash fees
       
Deferred Compensation Arrangement with Individual [Line Items]        
Deferred compensation plan, eligible compensation for deferral percentage   100.00%