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Employee Benefit Plans (Details) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 26, 2015
Dec. 27, 2014
Dec. 28, 2013
Defined Contribution Plans Disclosure [Line Items]      
Minimum deferral requirement 3 years    
Maximum annual contributions per employee, percent 10.00%    
Life insurance policies $ 27,554 $ 27,603  
Accumulated benefit obligation $ 900 1,200  
Sensitivity of expected rate of return on plan assets, percent change 0.50%    
Sensitivity of change in expected rate of return, annual pension expense amount $ 1,400    
Employer contributions 5,900    
Estimated future employer contributions $ 4,500    
Consecutive years of compensation for annual benefits under the ESLIRP plan 5 years    
Equity Securities      
Defined Contribution Plans Disclosure [Line Items]      
Defined benefit plan, target plan asset allocations 44.30%    
Fixed Income Securities      
Defined Contribution Plans Disclosure [Line Items]      
Defined benefit plan, target plan asset allocations 31.10%    
Other Securities      
Defined Contribution Plans Disclosure [Line Items]      
Defined benefit plan, target plan asset allocations 24.60%    
Pension Plans      
Defined Contribution Plans Disclosure [Line Items]      
Costs associated with defined contribution plan $ 5,300 4,900 $ 4,700
Deferred Compensation Plan and Executive Supplemental Life Insurance Retirement Plan      
Defined Contribution Plans Disclosure [Line Items]      
Costs associated with defined contribution plan $ 2,600 $ 3,300 $ 3,300