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COMMON STOCK REPURCHASE PROGRAM	6 Months Ended
COMMON STOCK REPURCHASE PROGRAM	Jun. 30, 2020
COMMON STOCK REPURCHASE PROGRAM [Abstract]
Common Share Repurchase Program [Text Block]	COMMON STOCK REPURCHASE PROGRAM The Company has a total 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 three months ended June 30, 2020, the Company purchased a total of 43.1 thousand shares at an average cost per share of $69.62. During the six months ended June 30, 2020, the Company purchased a total of 1.4 million shares at an average cost per share of $80.22. As of June 30, 2020, there remained 1.5 million common shares available for repurchase under this program. The repurchased common shares remain in treasury and have not been retired. On February 12, 2020, the Company's Board of Director's approved a new share repurchase program authorizing the Company to repurchase, in the aggregate, up to 10 million shares of its outstanding common stock.