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Defined Benefit Plans (Details) - USD ($)
$ in Thousands
 3 Months Ended
Jun. 29, 2016
Mar. 30, 2016
Apr. 01, 2015
Dec. 30, 2015
Components of net periodic benefit cost [Abstract]        
Additional minimum pension liability   $ 22,800   $ 22,800
Pension Plan [Member]        
Components of net periodic benefit cost [Abstract]        
Service cost   105 $ 95  
Interest cost   0 746  
Expected return on plan assets   0 (877)  
Amortization of net loss   0 433  
Net periodic benefit cost   105 397  
Employer contributions   0 0  
Other Defined Benefit Plans [Member]        
Components of net periodic benefit cost [Abstract]        
Interest cost   23 27  
Amortization of net loss   21 20  
Net periodic benefit cost   44 47  
Employer contributions   100 $ 100  
Estimated employer contributions remainder of current fiscal year   $ 100    
Subsequent Event [Member] | Pension Plan [Member]        
Components of net periodic benefit cost [Abstract]        
Employer contributions $ 9,500      
Assets used for settlements 67,700      
Settlement loss to be recognized 24,300      
Accumulated other comprehensive income to be recognized $ 24,000