EARNINGS PER SHARE (Tables)

12 Months Ended

Dec. 31, 2018

EARNINGS PER SHARE OF COMMON STOCK, BASIC AND DILUTED [Line Items]

Schedule of Earnings Per Share, Basic and Diluted [Table Text Block]

The following tables set forth the computation of basic and diluted EPS from continuing operations for the periods indicated:

	Year Ended December 31, 2018
	Income		Shares	Per Share Amount
	(Thousands, except per share amounts)
Basic EPS Calculation
Net income available for common stock	$	172,234	52,693	$	3.27
Diluted EPS Calculation
Effect of dilutive securities	—		336
Net income available for common stock and common stock equivalents	$	172,234	53,029	$	3.25

	Year Ended December 31, 2017
	Income		Shares	Per Share Amount
	(Thousands, except per share amounts)
Basic EPS Calculation
Net income available for common stock	$	162,995	52,527	$	3.10
Diluted EPS Calculation
Effect of dilutive securities	—		452
Net income available for common stock and common stock equivalents	$	162,995	52,979	$	3.08

	Year Ended December 31, 2016
	Income		Shares	Per Share Amount
	(Thousands, except per share amounts)
Basic EPS Calculation
Net income available for common stock	$	140,095	52,453	$	2.67
Diluted EPS Calculation
Effect of dilutive securities	—		510
Net income available for common stock and common stock equivalents	$	140,095	52,963	$	2.65