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Leases (Details)
$ in Thousands
 12 Months Ended
Dec. 28, 2016
USD ($)
Operating Leased Assets [Line Items]  
Term of typical renewal options on land and building leases 5 years
Capital Lease Commitments:  
2017 $ 8,628
2018 7,847
2019 7,245
2020 6,467
2021 5,849
Thereafter 29,725
Total 65,761
Less imputed interest 38,670
Present value of capital lease obligations 27,091
Operating Lease Commitments:  
2017 28,470
2018 26,302
2019 23,176
2020 19,290
2021 16,348
Thereafter 65,216
Total 178,802
Operating Lease Receipts:  
2017 27,357
2018 25,945
2019 22,835
2020 19,975
2021 17,898
Thereafter 86,224
Total $ 200,234
Minimum [Member]  
Operating Leased Assets [Line Items]  
Initial terms of land and building leases 10 years
Maximum [Member]  
Operating Leased Assets [Line Items]  
Initial terms of land and building leases 15 years