v3.22.2.2
Employee Savings Plans (Details) - USD ($)
$ in Thousands
12 Months Ended
Jul. 29, 2022
Jul. 30, 2021
Jul. 31, 2020
401(k) Savings Plan [Member]      
Employee Savings Plans [Abstract]      
Defined contribution plan, type [Extensible List] us-gaap:PensionPlansDefinedBenefitMember    
Defined contribution plan, tax status [Extensible List] us-gaap:QualifiedPlanMember    
Requisite service period 90 days    
Minimum age of eligible employees required 21 years    
Percentage of compensation allowed to be deferred by eligible employees 50.00%    
Percentage of company match to employee contribution 50.00% 50.00% 50.00%
Percentage of company contributions that vests annually 20.00% 20.00% 20.00%
Percentage of company contribution that vests on employee's fifth anniversary of employment 100.00% 100.00% 100.00%
Company's contributions to the plan $ 4,713 $ 4,071 $ 3,271
401(k) Savings Plan [Member] | Maximum [Member]      
Employee Savings Plans [Abstract]      
Percentage of employee's compensation matched by company 5.00% 5.00% 5.00%
Non-Qualified Savings Plan [Member]      
Employee Savings Plans [Abstract]      
Defined contribution plan, type [Extensible List] us-gaap:PensionPlansDefinedBenefitMember    
Defined contribution plan, tax status [Extensible List] us-gaap:NonqualifiedPlanMember    
Percentage of compensation allowed to be deferred by eligible employees 50.00%    
Percentage of eligible bonuses allowed to be deferred 100.00%    
Percentage of company match to employee contribution 25.00% 25.00% 25.00%
Percentage of company contributions that vests annually 20.00% 20.00% 20.00%
Percentage of company contribution that vests on employee's fifth anniversary of employment 100.00% 100.00% 100.00%
Market value of the trust assets $ 27,843    
Liability obligations to participants 27,843    
Company's contributions to the plan $ 285 $ 259 $ 239
Non-Qualified Savings Plan [Member] | Maximum [Member]      
Employee Savings Plans [Abstract]      
Percentage of employee's compensation matched by company 6.00% 6.00% 6.00%