SHAREHOLDERS' EQUITY (Details)	12 Months Ended
	Dec. 30, 2017 item $ / shares shares	Dec. 31, 2016 item shares
Related Party Transactions
Preferred stock, authorized shares	400,000
Preferred stock, par value (in dollars per share) | $ / shares	$ 0.50
Treasury Stock purchased	1,000	2,000
Director
Related Party Transactions
Maximum number of shares allowed to be granted under the Plan		150,000
Number of shares issued to eligible board members	12,000	12,000
Number of eligible board members | item	8	8