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SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Leases (Details)
 3 Months Ended 12 Months Ended
Apr. 01, 2015
Dec. 28, 2016
renewal_option
Operating Leased Assets [Line Items]    
Number of sale leaseback transactions 0 8
Number of renewal options   2
Period of renewal term   5 years
Minimum    
Operating Leased Assets [Line Items]    
Terms of lease contract   10 years
Maximum    
Operating Leased Assets [Line Items]    
Terms of lease contract   20 years