XML 19 R53.htm IDEA: XBRL DOCUMENT v2.4.0.8
Employee Savings Plans (Details) (USD $)
In Thousands, unless otherwise specified
12 Months Ended
Aug. 02, 2013
Aug. 03, 2012
Jul. 29, 2011
Defined Contribution Plan Disclosures [Line Items]      
Participation eligibility terms of the plan salaried and hourly employees who have completed ninety days of service and have attained the age of twenty-one    
Percentage of company match to employee contribution (in hundredths) 25.00% 25.00% 25.00%
Maximum percentage of employee's compensation matched by company (in hundredths) 6.00% 6.00% 6.00%
Percentage of company contributions that vests annually (in hundredths) 20.00% 20.00% 20.00%
Percentage of company contribution that vests on employee's fifth anniversary of employment (in hundredths) 100.00% 100.00% 100.00%
Qualified Defined Contribution Retirement Plan (Plan I) [Member]
     
Defined Contribution Plan Disclosures [Line Items]      
Percentage of compensation allowed to be deferred by eligible employees (in hundredths) 50.00%    
Company contribution to the plan during the period $ 2,180 $ 2,026 $ 1,986
Non-Qualified Defined Contribution Retirement Plan (Plan II) [Member]
     
Defined Contribution Plan Disclosures [Line Items]      
Percentage of compensation allowed to be deferred by eligible employees (in hundredths) 50.00%    
Percentage of eligible bonuses allowed to be deferred (in hundredths) 100.00%    
Market value of the trust assets 25,263    
Liability obligations to participants 25,263    
Company contribution to the plan during the period $ 241 $ 283 $ 388