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Operating (Gains), Losses and Other Charges, Net (Details) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 28, 2016
Dec. 30, 2015
Dec. 31, 2014
Other Income and Expenses [Abstract]      
Pension settlement loss $ 24,297 $ 0 $ 0
Gains on sales of assets and other, net 29 (93) (112)
Restructuring charges and exit costs 1,486 1,524 981
Impairment charges 1,098 935 401
Operating (gains), losses and other charges, net 26,910 2,366 1,270
Restructuring charges and exit costs [Abstract]      
Exit costs 591 [1] 697 [1] 335
Severance and other restructuring charges 895 827 646
Total restructuring charges and exit costs 1,486 1,524 981
Components of change in accrued exit cost liabilities [Roll Forward]      
Balance, beginning of year 2,043 2,142  
Exit costs 591 [1] 697 [1] 335
Payments, net of sublease receipts (855) (932)  
Interest accretion 117 136  
Balance, end of year 1,896 2,043 2,142
Less current portion included in other current liabilities 330 550  
Long-term portion included in other noncurrent liabilities 1,566 1,493  
Accrued severance and other restructuring charges 400 400  
Estimated net cash payments related to exit cost liabilities [Abstract]      
2017 439    
2018 427    
2019 253    
2020 197    
2021 209    
Thereafter 909    
Total 2,434    
Less imputed interest 538    
Present value of exit cost liabilities 1,896    
Existing sublease arrangements 1,900    
Properties expected to enter into sublease arrangements in the future 900    
Impairment charges $ 1,098 $ 935 $ 401
[1] Included as a component of operating (gains), losses and other charges, net.