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PROPERTY, PLANT AND EQUIPMENT (Details 2) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2016
Dec. 26, 2015
Dec. 27, 2014
Operating leases      
Rental expense for operating leases $ 24,756 $ 25,546 $ 28,580
Minimum lease payments under operating leases      
2016 21,459    
2017 16,904    
2018 12,874    
2019 11,355    
2020 7,656    
Subsequent 26,910    
Total minimum lease payments $ 97,158