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COMMON STOCK REPURCHASE PROGRAM	3 Months Ended
COMMON STOCK REPURCHASE PROGRAM	Mar. 31, 2019
COMMON STOCK REPURCHASE PROGRAM [Abstract]
Common Share Repurchase Program [Text Block]	COMMON STOCK REPURCHASE PROGRAM The Company has a share repurchase program for up 55 million shares of the Company's common shares. From time to time at management's discretion, the Company repurchases its common shares in the open market, depending on market conditions, stock price and other factors. During the quarter ended March 31, 2019, the Company purchased a total of 0.8 million shares at an average cost per share of $84.34. As of March 31, 2019, there remained 5.3 million common shares available for repurchase under this program. The repurchased common shares remain in treasury and have not been retired.