EQUITY (Narrative) (Details) $ / shares in Units, $ in Millions				6 Months Ended
	Jun. 26, 2018 USD ($) $ / shares shares	Mar. 09, 2018 USD ($) $ / shares shares	May 05, 2015 shares	Jun. 30, 2019 shareholder director shares	Jan. 01, 2019 $ / shares shares	Jan. 03, 2018
Class of Stock [Line Items]
Preferred shares, shares authorized				5,000,000	5,000,000
Preferred shares, no par value | $ / shares					$ 0
Maximum percentage of Company stock ownership allowed				9.90%		4.90%
Aggregate Cost of Shares Sold | $	$ 4.3	$ 4.1
Stock Issued During Period, Shares, New Issues	125,000	125,000
Common shares issued (per share) | $ / shares	$ 34.00	$ 33.00
Number of rights issued per common stock			1
Tax benefit agreement term			5 years
Number of shareholders held more than 4.9% | shareholder				3
Number of executives held more than 4.9% | director				1
Executive Officer [Member]
Class of Stock [Line Items]
Maximum percentage of Company stock ownership allowed				4.90%