NATURE OF BUSINESS AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Inventories (Details)	12 Months Ended
Jan. 02, 2016	Jan. 03, 2015
INVENTORIES
Percentage of total LIFO inventory	82.00%	76.00%
Maximum inventory reserve as a percentage of FIFO inventory value	2.10%

The percentage of LIFO (last in first out) inventory to total inventory as of the balance sheet date if other than 100 percent.

No definition available.

Name:	us-gaap_PercentageOfLIFOInventory
Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant