NATURE OF BUSINESS AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Inventories (Details)	12 Months Ended
Dec. 31, 2016	Jan. 02, 2016
INVENTORIES
Percentage of total LIFO inventory	79.00%	82.00%
Maximum inventory reserve as a percentage of FIFO inventory value	1.40%

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